Su-30 MKI

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shiv

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the problem with the kaveri engines are that we havent been able to produce the single crystal blades for the engine......i have even read government sources saying that they have developed it..but thats a load of horse shit....how are we producing the MKI engines without the knowhow of single crystal turbine blades????

we we know how to produce them then there are no problems for the kaveri
 

Daredevil

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Su-30 MKI Thread

Technical information, Military exercises, Air shows, Pictures, Videos, Squadron related information pertaining to Su-30MKI here. No comparisons please.

Thanks,
DD
 

Daredevil

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Su-30MKI

I'm starting with History of Su-30 and then some information about Su-30MKI (in bold)
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Sukhoi Su-30 Derivatives

The early history of the Su-27 family of fighters has been widely documented, and some excellent references exist (Andrei Fomin's Su-27 Flanker Story published by RA Intervestnik is arguably the single best printed reference, while Easy Tartar's reference at the Fighter Tactics Academy is the best website).

The original design aim of the Perspektivnyy Frontovoy Istrebitel (PFI - Future Tactical Fighter) was to kill the US Air Force's then new F-15A, and both the Sukhoi and Mikoyan bureaus submitted designs. The Sukhoi T-10 concept emerged in the early 1970s, and was conceptually closest to a fusion of the fixed wing Grumman VFX-404 configuration with the blended strake/wing/body configuration of the GD LWF demonstrator, later to become the F-16A. From the outset the design was to use various combinations of mechanical-hydraulic and Fly By Wire (FBW) controls with some reduced static stability to achieve exceptional manoeuvrability. The early T-10-1 demonstrator evolved into the current T-10-15/Su-27 configuration through an almost complete but necessary redesign during the early eighties. The result has been the most aerodynamically refined of all of the third generation fighters. Like the MDC F-15A, the basic design was devised from the outset to accommodate both single and dual seat configurations. The Su-27UBK tandem dual trainer airframe became the basis of the Su-30 series.

The Soviets made good use of sample Iranian Grumman F-14A Tomcats and their AN/AWG-9/AIM-54A weapon system.

Introduction into PVO-S (Protivo-Vozdushnaya Oborona Strany - air defence force) and FA (Frontovaya Aviatsia - tactical air force) service was protracted, especially due to problems with manufacturing an airframe with a substantial amount of titanium alloy and honeycomb laminates, but also due to difficulties with the complex F-15-like avionics package.

To demonstrate the aircraft's potency as an F-15 killer, the Sovs in 1986 stripped and modified the T10-15 prototype, redesignated it the P-42 and promptly took out no less than 22 FAI records, mostly in the time to height categories previously held by the F-15A. Such impressive basic performance results from the exceptionally clean aerodynamic design and the pair of large Lyulka AL-31F series afterburning turbofans - the P42 would have used early variants of the engine.

Chinese PLA-AF Su-27SK Flanker B

The baseline Su-27 airframe resulted in two nearly identical variants for the PVO and FA, the Su-27 and Su-27S Flanker B, with a common dual trainer in the Su-27UB Flanker C. The single seat Su-27/Su-27S was manufactured by the KNAAPO plant at Komsomolsk-on-Amur and the dual Su-27UB was manufactured by the IAPO plant at Irkutsk, with design authority remaining at the Sukhoi bureau. The principal distinction in the Frontal Aviation Su-27S was a capability to deliver **** bombs and rockets - not unlike the F-15A/B/C/D models. Both types were to carry the large pulse Doppler Myech air intercept radar, which was to use a mechanically steered planar array antenna with electronic vertical beam steering, but production aircraft with the NIIP N001 used a simple mechanically steered cassegrain antenna.

Several early derivatives of the Su-27 are of much interest since they paved the way for the production Su-30 subtypes new seen in the Asian export market.

The navalised Su-27K Flanker D, K for 'Korabl'ny', was developed for the Project 1143.5 55,000 tonne class aircraft carrier, of which four were to have been built. The Su-27K had beefed up undercarriage with twin nosewheels, upgraded hydraulics, a tailhook, enlarged flaperons, a modified ejection seat angle, folding outer wings and stabs, upgraded FBW, modified LERX (Leading Edge Root Extensions) with canards, enlarged leading edge slats and a deployable aerial refuelling probe. The refuelling probe modification included a pair of deployable floodlights in the nose, used to illuminate the tanker aircraft, here intended to be either an Il-78 Midas or another Su-27 buddy tanker carrying a centreline UPAZ hose-drogue pod. The probe permits a fuel transfer rate into the fighter of up to 4,000 lb/min. Another notable Su-27K feature to migrate to later variants was the right offset IR Search and Track housing, this improving the pilot's downward view over the aircraft's nose. Production Su-27Ks operated by the Russian Navy are often designated the 'Su-33'. Perhaps the most important feature of the Su-27K/Su-33 are the enlarged LERX/canards which increase the available body lift of the aircraft, and the centre of pressure forward thus enhancing achievable pitch rates. The Su-27 series shares with the F-14 series a large body lift capacity resulting from the wide fuselage tunnel - as a result the aircraft's effective wing loading is much lower than that of aircraft with different configurations. This is reflected in superb high alpha handling and sustained turn rates.

The Su-33 Flanker D has now been ordered by the PLA-N for trials on the refurbished former Soviet Project 1143.5 carrier Varyag. It is expected that around 50 aircraft will eventually be acquired to equip an air wing.

While the navalised Sukhois spawned key aerodynamic design innovations in the series, the land based variants accounted for most of the avionic and propulsion improvements. The most important early derivative was the dual role single seat Su-27M strike fighter, frequently labelled as the Su-35. Initiated in 1982, the baseline Su-35 best compares to the F-15C in basic capabilities. It was to be the initial platform for the then new Vympel R-77 AMRAAM-ski active radar guided AAM. The Su-35 was to carry a complete EWSP package, a cockpit wide angle Head Up Display (HUD), triple MFDs, an improved RSLU-27/N011 fire control radar package using a new slotted planar array antenna rather than the N001 design, an N012 tail warning radar, an improved OLS-27K Infra-Red Search/Track (IRST), the Schchel-3UM Helmet Mounted Sight (HMS), ShO-13A Doppler nav, an inertial nav package, air/air and air/ground GCI (Ground Control Intercept) datalinks, two additional inboard wing hardpoints to permit up to 12 external stores, and the aerial refuelling probe.

Structural changes were required to the forward fuselage to accommodate the larger radar aperture, relocated IRST, aerial refuelling probe and revised avionics. The additional 3,000 lb of empty weight required strengthened undercarriage, dual nosewheels, detail structural changes, and the Su-33's canards were later incorporated. To offset the loss of combat radius due to additional weight the wet portion of the wing was extended to the 13th rib, from the 9th, and a 360 litre tank was added to each vertical tail thus providing a total internal capacity of 22,630 lb (10,250 kg). The dual combat trainer variant designed by KNAAPO is designated the Su-35UB. Twelve pre-production Su-35s were built, and tail number 711 became the Su-37 demonstrator.

The Su-37 was to incorporate two important advancements over the Su-27M/35. These were thrust vectoring nozzles and the new NIIP N011M passive shifter technology ESA (Electronically Steered Array - phased array). In addition, an electrical sidestick controller was mounted in the right side of the cockpit. The Lyulka bureau designed the first axisymmetric two dimensional thrust vectoring (2D TVC) nozzle ever deployed during this demonstration program - the nozzle Time Between Overhauls (TBO) is reported at 250 hours vs the 1,000 hr TBO for the AL-31FP core.

Su-37 Demonstrator '#711' The KNAAPO sponsored Su-37 demonstrator was an advanced derivative of the Su-27M/Su-35, incorporating digital fly-by-wire, thrust vectoring nozzles, canards and the NIIP N-011M phased array radar. Much of the technology developed in this program has since migrated into the Indian Su-30MKI and will most likely be seen in its Irkut sibling, the Malaysian Su-30MKM.(Sukhoi)

The all important Flight Control System (FCS) in the Su-27 family evolved incrementally, with the first generation hybrid analog system running in parallel with the conventional hydro-mechanical design. The Su-37 introduced a genuine redundant digital system, similar in concept to its contemporary Western designs.

The Su-30 series is not directly evolved from the Su-27M line, but has incorporated many design features demonstrated in the Su-27M/35/37 line. The origins of the Su-30 lie in the last years of the Soviet era, when the PVO sought a combat capable derivative of the existing Su-27UB conversion trainer. The dual variant was to be equipped for aerial refuelling and used as a long range / long endurance interceptor and combat command and control fighter to lead long range CAPs. The aircraft was initially designated the Su-27PU (Perekhvatchik - Uchebnoy) and later relabelled the Su-30. The Su-30 was developed in part by the Irkutsk plant, responsible for manufacturing the Su-27UB. The export variant of the Su-30 was designated Su-30MK and unveiled in 1993 - as a multirole strike fighter rather than interceptor.


Irkut/Sukhoi Su-30MKI Flanker H. Further images.

The hard sell by the Irkut (formerly IAPO) and Sukhoi paid off in late 1996 when the Indian Air Force signed for an advanced derivative of the baseline Su-30, the Su-30MKI (M-Improved, K-Export, I-India) Flanker H. In a complex deal which saw initial deliveries of basic Su-30K and progressive development and later delivery of full configured and licence build Su-30MKI, India negotiated a deal which will see around 180 of these aircraft deployed with IAF squadrons.

The Su-30MKI is a fusion of technology from the Su-37 demonstrator and Su-30 program, with additional Indian designed and built processor hardware in the Mission Computers, Radar Data Processor provide under the Vetrivale (Lance) industry program, and some items of Israeli and EU hardware. The aircraft has a Sextant Avionique HUD and RLG (Ring Laser Gyro) INS/GPS, glass cockpits, NIIP N011M phased array, AL-31FP TVC engines, enlarged rudders, Su-33/35/37 canards and aerial refuelling probe, and an improved OLS-30 IRST package. The Indian developed Tarang RWR is used in the EWSP suite. The TVC system in the Su-30MKI has evolved beyond the Su-37 system, which deflected only in the vertical plane. The Su-30MKI variant has a 32 degree canted TVC plane to introduce a lateral and vertical vectored force component, and is driven by the engine's fuel system rather than main aircraft hydraulic loop.

Since 2003, more details have also been revealed about the N-011M BARS ('Panther') hybrid phased array radar designed for the Su-35/37 and supplied on the Su-30MKI and likely the Su-30MKM. The BARS phased array assembly is mechanically steerable to +/-55 degrees off-boresight, providing a total field of regard in azimuth of +/-100 degrees off-boresight - in effect the combination of mechanical array steering and electronic beam steering provides full forward hemispherical coverage. NIIP claim a 3 dB noise figure three channel receiver, and an average transmit power of 1.2 kW, with 1 kW in illuminator mode for semi-active missiles. Air-air modes include Track While Scan for 15 targets and concurrent engagement of four, raid assessment and Non-Cooperative Target Recognition (NCTR). Air-surface modes include real beam mapping, Doppler beam sharpening, Synthetic Aperture Radar (SAR) imaging, Ground/Maritime Moving Target Indicator (GMTI/MMTI), target position measurement and GMTI tracking of two concurrent targets. Aerial fighter sized targets have been acquired at 76 NMI, and moving tanks at 25 NMI. While reports of an Active ESA (AESA) have surfaced, details are as yet not available to the public.

The Indian Su-30MKI is to date the most advanced Su-27 derivative to enter production and with the exception of mission avionics and software is a credible equivalent to the F-15E/I/K/S family. It also underscores the 'no holds barred' international arms market, in which an export customer is supplied with a product which is half a generation ahead of the Russian air force - the IAF designates it as its Air Dominance Fighter.
Irkut/Sukhoi Su-30MKI Crew Stations.

However, the greatest Sukhoi export success to date has been KNAAPO's deal to supply and licence build Su-27SK Flanker Bs and Su-27UBK Flanker Cs for the Chinese PLA-AF - also the very first export deal for the aircraft. The initial order was for 20 x Su-27SK and 4 x Su-27UBK, essentially the same configuration as Soviet Frontal Aviation units flew but claimed to be fitted with Phazotron Zhuk rather than the NIIP radars. A second batch of aircraft was, numbering 16 x Su-27SK and 6 x Su-27UBK. was supplied in 1996, bringing the fielded total to 46. That same year KNAAPO were awarded a contract to set up licence production of the Su-27SK at the Shenyang plant in the PRC - these are designated as the J-11 and up to 250 may be built. An additional buy of twenty or more imported Su-27UBK dual trainers was reported in 2002.

India's buy of the Su-30MKI triggered a response in Beijing - the PLA-AF ordered around 50 Su-30MKK Flanker G fighters from KNAAPO. The KNAAPO Su-30MKK is not the same as the Irkut Su-30MKI in configuration, despite the shared Su-30MK designation. The baseline Su-30MKK the Su-35/37 vertical tail design, no canards, no TVC capability, Russian avionics and a variant of the Phazotron Zhuk planar array radar. An improved OEPS-31E-MK IRST package is fitted. There are reports the aircraft has an increased maximum takeoff weight against the Su-30/Su-30MKI, requiring structural changes. Like the PLA-AF Su-27SK the Su-30MKK uses the original analogue FCS. The Su-30MKK is a KNAAPO development which is closest in concept to a dual seat Su-35 without the canards added to the production Su-35. It is like the Su-35 a dual role fighter, occupying the same niche as the F-15E but less accurate and less capable in the air-air role as the Su-30MKI.
KnAAPO/Sukhoi Su-27SKM Multirole Flanker Prototype. Further images.
The PLA-N Air Arm was evidently not satisfied with the domestically built JH-7 Flying Leopard strike fighter, and opted to expand its fleet by acquiring the Su-30MK2, a derivative of the Su-30MKK, with a rated maximum takeoff weight of 85,000 lb. The Su-30MK2 has an enhanced weapon system optimized for maritime strike, built around the N-001VEP radar. The radar will target the Kh-31A ramjet supersonic anti-shipping missile, and a radar seeker equipped variant of the Kh-59, designated the Kh-59MK2. A radar guided derivative of the Kh-59M, the Kh-59Mk, was also developed for the PLA-N Flanker G. Chinese sources claim that 36 Su-30MK2 aircraft were ordered, with deployment as yet undisclosed. Venezuela is acquiring this variant.

The Russians were reported to have been developing a third PLA variant of the Su-30, the Su-30MK3. The Su-20MK3 was to incorporate the 'Panda' upgrade package for the N-001 radar, including a signal processor upgrade based on COTS software and a Ts-100 processor, and the new Pero phased array. The Pero, developed by NIIP and Ryazan GRPZ, is a reflective passive phased array antenna, replacing the legacy cassegrain design. It is lighter than the legacy design, but offers similar beamsteering agility to the latest Western AESAs. Recent reports suggest this program is no longer funded.

The PLA-AF was dissatified with the limitations of the Su-27SK/J-11 and renegotiated the licence arrangement to have the latter 100 aircraft delivered as the Su-27SKM (also reported as SMK) variant. The principal improvement is that the Su-27SKM incorporates all of the refinements of the multirole Su-30MK variants, and can thus support guided munitions, making it equivalent to proposed but never built single seat multirole derivatives of the F-15E. As such the Su-27SKM can carry the full suite of air to ground munitions now carried by the Su-30MKK series. The radar configuration has not been disclosed but may include the Pero passive phased array. Another possible alternative is a derivative of the developmental Phazotron AESA, reported to have been tested with a 0.7 metre array size on the MiG-29.

The Chinese also recently unveiled the 'indigenised' J-11B, incorporating Chinese technology, specifically the Woshan-10A (WS-10A) engine replacing the AL-31F, the Shedian-10 radar replacing the N-001, and the PL-12 (SD-10) BVR missile replacing the R-77 and R-27, and a range of indigenous guided munitions replacing the Russian types. It is likely that the J-11B will be introduced to production on completion of the J-11 build.


Russian sources put the current total supplied to the PLA-AF as 76 x Su-27SK/UBK, 50 x Su-30MKK with outstanding orders for 19 more, and a commitment for licence production of around 200-250 aircraft. Russian estimates of the ultimate size of the PLA-AF Su-27/30 fleet fall between 350 and 500 aircraft. For comparison, the US Air Force fielded around 400 F-15Cs and 200 F-15Es, putting the PRC's orders into a similar force structure size bracket - and almost twice the size of the Indian Su-30MKI fleet.

Malaysia committed in 2003 to purchase 18 Su-30MKMs beating the Boeing F/A-18F bid - evidently Malaysia's bilateral MiG-29 support relationship with India exposed the RMAF/TUDM to Indian Su-30MKI program and they liked what they saw. The Su-30MKM is being supplied by Irkut and will therefore be close in configuration to the Su-30MKI, although as yet no details are available on the specific fit of the MKM variant - it is known that some French avionics will be used. The aircraft were to be delivered from 2006, but reports in 2006 indicated the aircraft remained parked in Russia pending payment. It is likely that a large portion of the deal will be financed by barter of Malaysian industrial and consumer goods.

Indonesia's TNI-AU has had a long standing interest in the Sukhoi fighters and prior to the Asian economic crisis committed to purchase the Su-30KI. This aircraft was to be supplied by KNAAPO and was derived from the single seat Su-27SMK, a Mid Life Upgrade design package for the baseline Su-27S. The Su-30KI is thus an improved single seat Su-27S, with the improved N001E radar and cassegrain antenna, aerial refuelling probe, centreline OLS-27 IRST, ILS-31 HUD, and provisions for the R-77 Adder missile. This variant is more the air superiority fighter than dual role strike fighter and is essentially a low cost upgrade of the basic production KNAAPO Su-27 line - the use of the early configuration centreline IRST installation suggests the Su-30KI may be built from refurbished low time PVO Su-27 airframes.

In late April 2003, Indonesian President Megawati signed an MoU with Russia for the supply of four Sukhoi fighters, two Su-27SK and two Su-30MK (some sources claim Su-35, others Su-30KI) to the Indonesian TNI-AU later this year. Media reports from Jakarta indicated that the TNI-AU intends to acquire between 48 and 54 of these aircraft over this decade, and often report the inclusion of an aerial refuelling capability - part of the Su-30KI configuration. Whether the TNI-AU aircraft are Su-27SKs, Su-35s, Su-30KIs or Su-30MKs is immaterial in the longer term, since the basic KNAAPO/Irkut T-10 family of designs permits incremental retrofits, and cash permitting any of these variants can over time morph into a more advanced model.


Since then the TNI-AU had its four aircraft delivered. In 2006, Indonesian President Susilo Bambang Yudhoyono visited Moscow and ordered an additional six aircraft, as part of a larger arms package.
 

Daredevil

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(Continued here...)

Su-30 Growth Paths

The Su-27/30 series is by far the aerodynamically most refined of the third generation fighters in the market and is a direct equivalent to the late build F-15E/I/K/S variants. While it does not offer quite as good top end supersonic performance and handling to the F-15, it makes up for this with exceptionally good low speed high alpha handling and performance.

From an 'information age' warfighting perspective, the basic Su-30 series airframe has some very attractive features absent in competing Western third generation fighters.

The NIIP N011M BARS phased array is the most capable fighter radar produced by Russian industry and is designed to support the R-77M family of ramjet missiles. The depicted detection range curves are based on publicly disclosed Russian performance figures for co-altitude BVR engagements. It is evident that inside the 10-20 nautical miles envelope the radar will be able to challenge aircraft with quite good stealth characteristics. The curves for the Agat 9B-1103M and 9B-1348E seekers are based on the most recent Agat data release, and include the TMS320 equipped digital variant. The 9B-1101K has not been included (Author - NIIP, Phazotron, Agat data).

Radar

The first of these is its massive radar bay, capable of fitting a 1 metre class X-band phased array antenna. In the long range BVR combat game, radar range is a key factor and for any given radar technology, the larger the aperture the better. While the current N011M/ME BARS (Panther) and Pero (Plume) upgrades use passive array technology which delivers less peak power than competing active arrays (AESA) it is only a matter of time before NIIP and Phazotron adapt commercial GaAs MMIC technology (98% of the total GaAs chip market) to build an AESA variant competitive against the AESAs in the latest Western evolved 3rd Gen fighters.

With similar TR (Transmit-Receive) module performance, the fighter with the largest aperture size wins in this game - for instance the N011M has around twice the aperture size of the JSF AESA and F/A-18E/F's APG-79 and even with inferior TR module technology will be highly competitive. It is worth noting that India is only the fourth nation worldwide to field a phased array equipped aigile air combat fighter, after France, the US and Russia.

Electrical power and liquid cooling have been issues for the integration of AESAs in Western fighters, especially so with smaller types like the F/A-18E/F, F-16E/F and Joint Strike Fighter. This is not an issue given the sheer size of the Flanker.

While the existing N011M has limitations in its older technology back end processing, the future is the path India has followed, retrofitting third party hardware with better performance than the Russian processor hardware. With widely available commodity processor chips in the 1 to 2 GHz class, we can expect to see many other Sukhoi users emulate the Indians in coming years, be it in MLUs or new build aircraft.

The baseline N011M radar uses a vertically polarised 0.9 metre diameter aperture hybrid phased array, with individual per element receive path low noise amplifiers delivering a noise figure cited at 3 dB, similar to an AESA. Three receiver channels are used, one presumably for sidelobe blanking and ECCM. The EGSP-6A transmitter uses a single Chelnok Travelling Wave Tube, available in variants with peak power ratings between 4 and 7 kiloWatts, and CW illumination at 1 kW. Cited detection range for a closing target (High PRF) is up to 76 NMI, for a receding target up to 50 NMI. The phased array can electronically steer the mainlobe through +/-70 degrees in azimuth and +/-40 degrees in elevation. The whole array can be further steered mechanically. Polarisation can be switched by 90 degrees for surface search modes.

The follow on to the BARS is the new Irbis-E (Snow Leopard) hybrid phased array, in development since 2004 and planned for the Su-35 block upgrade, and as a block upgrade or new build radar for other Flanker variants. The Irbis-E is an evolution of the BARS design, but significantly more powerful. While the hybrid phased array antenna is retained, the noise figure is slightly worse at 3.5 dB, but the receiver has four rather than three discrete channels. The biggest change is in the EGSP-27 transmitter, where the single 7 kiloWatt peak power rated Chelnok TWT is replaced with a pair of 10 kiloWatt peak power rated Chelnok tubes, ganged to provide a total peak power rating of 20 kiloWatts. The radar is cited at an average power rating of 5 kiloWatts, with 2 kiloWatts CW rating for illumination. NIIP claim twice the bandwidth and improved frequency agility over the BARS, and better ECCM capability. The Irbis-E has new Solo-35.01 digital signal processor hardware and Solo-35.02 data processor, but retains receiver hardware, the master oscillator and exciter of the BARS. A prototype has been in flight test since late 2005.

The performance increase in the Irbis-E is commensurate with the increased transmitter rating, and NIIP claim a detection range for a closing 3 square metre coaltitude target of 190 - 215 NMI (350-400 km), and the ability to detect a closing 0.01 square metre target at ~50 NMI (90 km). In Track While Scan (TWS) mode the radar can handle 30 targets simultaneously, and provide guidance for two simultaneous shots using a semi-active missile like the R-27 series, or eight simultaneous shots using an active missile like the RVV-AE/R-77 or ramjet RVV-AE-PD/R-77M. The Irbis-E was clearly designed to support the ramjet RVV-AE-PD/R-77M missile in BVR combat against reduced signature Western fighters like the Block II Super Hornet or Eurofighter Typhoon. Curiously, NIIP do not claim superiority over the F-22A's APG-77 AESA, yet their cited performance figures exceed the public (and no doubt heavily sanitised) range figures for the APG-77.

The existing N011M series lacks a Low Probability of Intercept capability, in part due to antenna bandwidth limits and in part due to processor limitations. This is likely to change over the coming decade, with the Irbis-E, as customers demand an ability to defeat or degrade Western ESM equipment and the technology to do this becomes more accessible.

The N012 tail warning radar has been reported to be part of the Su-30MKI suite and is offered as a retrofit to other models.

In terms of block upgrades, of the two competing radar houses in Russia, NIIP (http://www.niip.ru/) and Phazotron, the former has been the most active of recent. A block upgrade package, designated 'Panda' was recently developed for the baseline N-001-01 radar carried by Su-27S/SK. The first stage is the N-001V back end upgrade using C/C++ COTS software and a Ts-100 processor.

Of more interest however is a low cost phased array block upgrade package designated Pero ('Plume'), designed jointly with Ryazan GRPZ. This lightweight design avoids the cost and complexity of the backplane fed BARS (N-011M) phased array, instead using a space (optical) feed scheme, and reflective rather than transmissive phase elements, a technique used with the 64N6E Big Bird SAM system radar. The design incorporates the phase element array, and a strut supported boom which mounts the X-band waveguide and radiating horn. Cost is comparable to the existing Su-27S/SK Cassegrain antenna, weight is lower. The launch customer is the RuAF, but reports indicate one of the two prototypes was sent to China for evaluation. The Pero will provide the beam steering agility of modern Western AESAs, but with lower cost and transmit power ratings, and is likely to appear in regional MLUs later this decade. An open question is whether a future Pero based block upgrade would include the 20 kiloWatt Irbis-E transmitter, as engineering the space feed for a 20 kiloWatt rated transmitter is neither difficult nor expensive. While a 20 kiloWatt Pero system would have inferior receiver sensitivity due to the space feed loss, compared to the BARS hybrid array, it would be significantly cheaper to build and deploy en masse.

In summary, near term we can expect to see the Irbis-E and Pero appear in new build and upgrade packages, in the longer term an AESA is an inevitability.

Electro-Optical Systems

Another attractive design feature of the Flankers is the large IRST housing, which can fit an aperture larger than competing Western IRST systems - the more photons the IRST can capture, the greater its detection range potential. The baseline OLS-27 IRST can scan a 120x75 degree field of regard, and cover as field of view as narrow as 3x3 degrees but has poor sensitivity with a head on detection ranges cca 8 nautical miles. The integrated laser rangefinder is effective to about 1.5 nautical miles. Specifications for the OLS-30 have not been disclosed - it is known that further development is under way on an IRST/FLIR design similar in concept to the Eurofighter's Pirate system. As with radars, IRST and FLIR aperture size matters, and the Sukhoi is in a commanding position with the existing OLS-27/30 package. With commercial technologies such as Quantum Well longwave/multiband imagers of 800x600 pixel resolution in the EU market, it is only a matter of time before this technology finds its way into an OLS-30/31 derivative. Current US IRSTs using older MCT imaging arrays have detected fighters at distances of many tens of miles.

The advent of HDTV compatible CCD and CMOS daylight imaging devices in COTS applications opens up the possibility of a dual band derivative of the OLS-27/30 package, longer term.
 

Daredevil

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(continued here...)


Cockpits, Computers and Networking

The cockpit of the existing Su-30 series provides plenty of opportunities for further growth, both in display technology and back end processing. With militarised commodity AMLCD display panels becoming increasingly available, the trend we have observed with the Sextant displays in the MKI is likely to grow over time, driven by the need to compete against US and EU cockpit designs. We should not be surprised to see India and Israel become prominent in the Sukhoi MLU market. The same will be true of mission computer equipment.

Upgrades available for Su-27/30 include the encrypted TKS-2/R-098 (Tipovyi Kompleks Svyazi) Intra Flight Data Link (IFDL) which permits the networking of up to 16 Sukhoi fighters. It is not known whether the 5U15K-11 datalink designed for networking the A-50 AWACS and MiG-31 has been adapted to the Su-27/30, or whether a unique equivalent design is used. The TKS-2 was used effectively during the 2004 Cope India exercise against US F-15Cs.

Maturity in flight control software has seen aggressive improvements in types such as the F/A-18E/F, and it is reasonable to surmise that the adoption of digital FBW controls in recent Su-30 variants will see similar evolution in the Sukhoi types - especially given the Russian obsession with close in manoeuvre performance.

Propulsion - Supercruising Al-41F

In terms of propulsion, we have seen incremental improvements in the AL-31F series, with the F-3 model cited at 28,250 lbf cf the baseline F-1 at 27,600 lbf. KNAAPO/Irkut are offering TVC kits as retrofit items to existing models, as they are offering seamless engine upgrades.

Engine makers NPO Lyulka-Saturn and MMPP Salyut are now actively competing with block upgrades to the basic AL-31F turbofan. Salyut have described a three phase block upgrade to the AL-31F, with components for the first phase already flight tested. The -M1 upgrade sees the addition of the KND-924-4 0.924 m dia front end and SAU-235 FADEC, pushing the engine to 18,320 lb (75.21 kN) dry and 29,180 lb (129.8 kN) wet thrust. The -M2 upgrade phase implements a new cooling system for the turbine stages, pushing the engine to 31,082 lb (138.26 kN) wet thrust. The third -M3 upgrade stage sees the addition of a three stage blisk technology KND-924-3 front end boosting the compression ratio from 3.55 to 4.2, and wet thrust to 32,186 lb, competitive against the latest US F100 and F110 variants. NPO Lyulka-Saturn's competing upgrade, including hot end changes, is to increase wet thrust to 31,473 lb (143.17 kN). Salyut and Klimov are also working on a second generation TVC nozzle design.

It is unclear when the 33,000 to 44,000 lbf class NPO Saturn-Lyulka AL-41F family will find its way into the Su-30 series. The AL-41F is the Russian equivalent to the F-22's F119-PW-100 engine, designed for supersonic cruise and improved performance across the full fighter envelope. Originally developed for the MiG MFI, the engine was built around the 'big bore' geometry already used in the AL-31F series, making it compatible with existing airframes.

The AL-41F is reported to have recently entered Low Rate Initial Production (LRIP) the intent being to equip the Sukhoi Su-34 Fullback which recently entered LRIP. In 2004 an Su-27M/Su-35 Flanker E was flown with the prototype AL-41F1, a derated variant of the baseline AL-41F, intended to increase the performance of the Flanker across all flgiht regimes, and enhance dry supersonic thrust (http://www.flightglobal.com/Articles...+upgrade.html). The derated AL-41F1 is claimed to deliver 33,000 lb (145kN) of SL static thrust.


In terms of avionic systems and propulsion we can expect to see ongoing incremental growth in the Su-30 series, as market pressures drive KNAAPO and Irkut to integrate newer technologies in the aircraft. As the Su-30 is the primary export revenue earner in Russia's defence industry, and a primary means of exporting Russian guided munitions, it is apt to continue to be the platform for the deployment of the latest domestic and imported technologies. The unknown factor is how much modern EU and Israeli technology will find its way into the Sukhois over the next decade. With Germany, France and Israel active in the MiG MLU market the existence of Asian aggregrate fleet numbers around 600 or more aircraft will present an irresistable attraction for the sale of avionic and systems upgrades, be they incremental or major block upgrades.

Air to Air Weapons

Air to air weapons are one area where the Russians have been very aggressively developing and marketing new products. The baseline Su-27S was armed with the R-27 (AA-10 Alamo) semiactive radar homing BVR missile and the R-73 (AA-11 Archer) WVR missile. The thrust vectoring R-73 (refer AA 4/97) was a trend setter and we have since seen an improved R-73M marketed, as well as a digitised seeker equipped R-74E variant credited with 75 degree off boresight capability and kinematics to kill 12 G targets. Indian press reports suggest the Rafael Python 4 has been offered to India and it is not inconceivable that this missile will find its way on to Indian and other regional Sukhois - India is currently negotiating for the Phalcon AEW&C system fitted to the Ilyushin A-50E airframe and has acquired ballistic missile defence radars from Israel.

The Vympel R-27 is the Russian equivalent to the late model US AIM-7 Sparrow series BVR missiles, but the similarity ends there since the R-27 is available in a plethora of variants. The basic airframe is supplied in long and short burn variants with differing range performance, and with heatseeking or datalink aided inertially midcourse guided semi-active radar seekers. The R-27R1 and R-27ER1 are the radar guided long and short burn versions, respectively, credited with F-pole ranges of 70 nautical miles and 43 nautical miles. The R-27T1 and R-27ET1 are the respective heat seeking equivalents, credited with slightly lower engagement ranges. The X-band anti-radiation seeker equipped R-27P/EP has been reported, designed to kill emitting fighters in the forward quarter by homing on their radar emissions. More recently Agat have offered new build or retrofit active radar seekers as the R-27A/EA, the AGAT 9B-1103M/9B-1348E, derived from the R-77 seeker.

The most recently exported missile in the region is the Vympel R-77 RVV-AE (AA-12 Adder), the AMRAAMski. This missile, with unique lattice controls, is a modern BVR weapon designed to kill 12G targets, and credited with an A-pole range of 54 nautical miles, although some reports suggest early production rounds are not delivering the kinematic performance advertised, not unlike early AIM-120A AMRAAMs. As the R-77 has AMRAAM-like capabilities, it permits an Su-30 to launch multiple rounds and guide these concurrently, engagement geometry permitting. As the R-77 matures, we can expect to see refinements in propellants, autopilot kinematics and seeker jam resistance.

We have yet to see reports of regional deliveries of the Vympel R-77M RVV-AE-PD (Povyshlenayya Dal'nost') ramjet adder, credited with an A-pole range around 80 nautical miles. This missile is a direct derivative of the R-77.

Alternate seekers for the R-77 have been advertised - the heatseeking R-77T using an MK-80M seeker from the R-73M and R-27T, and the antiradiation R-77P. The deployment of the new F/A-22A later in the decade will see significant pressure on Vympel to supply heatseeking, anti-radiation and electro-optical imaging seekers on the R-77/R-77M in an attempt to counter the combined kinematics and all-aspect stealth of the F/A-22A. While such seekers may do little to offset the overwhelming advantages of the supercruising F/A-22A, they are likely to prove quite effective against inferior types such as the JSF, F/A-18E/F, late model F-15E and F-16C/B50. If the Su-30 can close to a range where an advanced longwave IRST can track the target, an optical seeker equipped R-77 variant can be used to effect an engagement, defeating the RCS reduction measures on these aircraft. The anti-radiation R-77P could be used to engage at maximum missile range.

In the long range missile domain, the Vympel R-37 (AA-X-13) series of AIM-54 Phoenix look-alikes have been proposed - a developmental R-37 successfully engaged a target at 162 nautical miles of A-pole range in 1996. A more interesting proposal has been the use of the Novator R(KS)-172 RVV-L (AAM-L) missile, a 215 nautical mile range 1,650 lb launch weight long range AAM. The R-172 uses datalink/inertial midcourse guidance and an active radar terminal seeker, and Russian sources claim a snap-up capability to 100,000 ft and snap-down capability to 10 ft AGL. KS-172 mockups have been photographed on Su-30 displays but its production status is unclear at this time, although India is negotiating licence production.

Of no less interest is the Kh-31P (AS-17 Krypton) family of ramjet anti-radiation missiles, offered as a standard store on the Su-30/35 subtypes. This missile, in basic anti-radiation and dual mode seeker variants is often dubbed the AWACS killer and would be used to destroy opposing AEW&C aircraft, or surface based radars. Sukhoi advertise a load of up to six rounds, two on the inlet stations.

Russian missiles either carried by or proposed for Flanker variants (Author).

Notes: O/B - seeker off-boresight acquisition angle; IRH - heatseeking, single or dual colour scanning seeker; SARH - semi-active radar homing seeker; DL - datalink for midcourse guidance corrections - either analogue or digital; IMU - inertial package for midcourse guidance; Passive RF - passive radio frequency anti-radiation seeker; ARH - active radar homing seeker; Acquisition Range is that at which the seeker can acquire its target; Kinematic Range is A-pole or F-pole; Target G - max load factor of target vehicle; Launch G - max load factor of launch aircraft; APU - Aviatsionnaya Puskovaya Ustanovka (rail launcher); AKU - Aviatsionnaya Katapultnaya Ustanovka (ejector); This is a current open source compilation based on manufacturers' and third party data therefore figures should be treated with appropriate caution (Author).

The dominance of US ISR capabilities is producing an increasing demand for hard kill 'counter-ISR' weapons and the Sukhoi fighter equipped with missiles like the Vympel R-77M, R-37, Novator KS-172 and Zvezda-Strela Kh-31 variants qualifies exactly as that.

It is clear that the Su-30 has at least two decades more of yet to be exploited technological growth capacity, especially in systems and weapons. The excellent kinematics, large airframe and large apertures give it a decisive long term advantage in growth potential against all teen series types, and with an increasingly borderless international upgrade market, regional users with the cash required will be able to fit some very capable upgrades over time.

http://www.ausairpower.net/APA-Flanker.html
 

Daredevil

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Indra-Danush 2006 - Gwalior

Sukhois 'splash' UK Tornados over Gwalior

14 Oct 2006, 0245 hrs IST, Rajat Pandit, TNN


GWALIOR: IAF pilots flying their 'top-gun' Sukhoi-30MKI fighter jets are developing a habit of simply outgunning their rivals. After 'splashing' F-15Cs and F-16s, they have now blown the British Tornados out of the clear blue skies.

Though neither IAF nor Royal Air Force were scrambling to thrash the other in Indra-Dhanush air combat exercise, fighter boys will remain fighter boys, eager to notch up 'kills' even if they are achieved in mock battles.

"The British should have brought their new Euro-fighter Typhoons. The Tornado-F3 air defence fighters were no match for our Sukhoi-30MKIs, which performed exceptionally well in BVR (beyond-visual range) combat," said an IAF pilot.

With a comprehensive package of super-manoeuvrability and firepower, the two-seater Sukhoi-30MKIs were a cut above the rest in the just-concluded 10-day joint exercise, the first such held between India and UK in 43 years.

"Sukhoi-30MKI is our golden goose. We don't want to expose all its eggs to even friendly forces. We did not exploit its spectrum of capabilities. For instance, we did not open all operating modes of its radars," said a senior IAF officer.


But what was shown was enough to dazzle the visitors. "All our pilots who flew in Sukhoi-30MKIs came out with silly smiles on their faces.

But the Typhoon, is an absolutely superb plane and we would like to operate it against Sukhoi-
30MKI, probably next year," said RAF strike command's chief of operations, Air Vice-Marshal Christopher N Harper.

IAF pilots, got some hard lessons from RAF about how to operate in an AWACS (airborne warning and control systems) environment. Indian Mirage-2000s, MiG-27s and MiG-21 'Bisons' found the Tornados, aided by real-time information about approaching targets from E3D Sentry AWACS to be more than a handful.

This, emphasised AVM Harper, was necessary if the need arises in the future for joint operations against a common enemy in these "uncertain times". "Today, we don't know where the next conflict will crop up. Airpower has many roles to play, even in counter-terrorism," he said.

IAF Central Command deputy-chief Air Marshal K D Singh, in turn, said: "The biggest learning experience for us were the AWACS. Our fighter controllers flew in them. We have to learn how to exploit them since we will get three of our own next year."

http://timesofindia.indiatimes.com/...-Gwalior/articleshow/msid-2171142,curpg-2.cms
 

Sailor

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Daredevil, you put a lot of work into all your Su-30 posts this morning and I don't want to offend you, but there is one hell of a lot of 'cut and paste' reading here.
Be better if you included the sites to read, add pics and cut back on the written word a bit, young friend.
 

Daredevil

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Indra-Danush 2007 - Waddington, UK

Typhoon vs SU-30MKI: Lessons from Operation Indra Dhanush

20 July 2007
While exercises are a good indication of operational capabilities, it is always a tricky matter to draw firm conclusions from them, for they can never replace combat experience. But, in the absence of real wars where both sides enjoy relative parity, multinational joint exercises offer an interesting view of the 'actual' operational capabilities of weapons systems as well as national competencies and trends.

It acquires an altogether new meaning in the context of the arms industry, especially when a number of air forces are contemplating future fighter aircraft purchase options. For example, in addition to the prospective $10 billion contract for 126 fighters it is to release soon, India is also examining the value of force multipliers and force projection platforms in its air force. Therefore, a closer analysis of Exercise Indra Dhanush 2007 at Waddington, UK, is likely to be a fairly instructive exercise.

Sukhoi vs Typhoon

India's SU-30Ks have faced American F-15Cs and F-16s during joint exercises in India, in 2004 and 2005. But Indra Dhanush 2007 featured more advanced combatants on both sides. Britain's Eurofighter Typhoon, whose advanced aerodynamics and intuitive controls and avionics have rated it as the second-best air superiority aircraft in the world, was supported by the Tornado F3 and the very latest GR9 Harriers from the Royal Navy. On the other side was India's SU-30MKI, the most evolved operational version from the Sukhoi family of flankers, which has aerodynamics that allow unique manoeuvres and full thrust vectoring.

The operational part of 'Exercise Indradhanush-2007' began with a series of 1-to-1 air combat sorties. The RAF pilots were candid in their admission of the Su-30 MKI's observed superior manoeuvring in the air, just as they had studied, prepared and anticipated. The IAF pilots on their part were also visibly impressed by the Typhoon's agility in the air.

Missiles vs guns

Here, it must be understood that in today's 'beyond visual range' (BVR) aerial combat scenario, it is highly unlikely that any of the modern-day fighters will ever get into a close air combat situation that closely resembles a classic World War II dogfight. But this was the exact situation simulated in the 1-to-1 sorties, which had 'kill' criteria based on the front-cannon range, usually less than 1,000 metres. The visual tracking envelope behind the target was only for up to a 60-degree cone; an unlikely scenario if ever there could be one.

But the fact is that there are a number of counter, as well as counter-counter measures to make modern missiles redundant by using 'chaff' and other active and passive measures, regardless of their impressive 'kill' parameters. A 'gun kill' on the other hand, no matter how unlikely, is a certain kill. Pilots are actually matching their real-world tracking and combat skills under such close combat situations. Even in the BVR missile era, the vast majority of air-to-air kills have been within visual range. Consequently, these parameters, regardless of how antiquated they may seem on paper, are still relevant.

At short missile ranges, both aircraft are capable of carrying out fast 'slew and point' manoeuvres, can deploy infrared search and track systems, bring helmet-mounted sights to bear, and launch the highly manoeuvrable short-range infrared missiles (ASRAAM and AA-11/R-73) with wide boresight seeker cones. This creates more forgiving parameters for a kill than the front gun range requirements; the SU-30MKI's superior maneuverability would have to contend with UK Typhoon flight profiles enabled by ASRAAM's longer range and lock-on after launch capability.

How do they measure?

In long-range combat situations, issues of detection and reach would also make a difference. The Eurofighter is smaller than the SU-30, and has more 'shaping' to reduce its radar profile and its Meteor ramjet BVRAAM missile can kill from a longer range than the Russian AA-12/R-77. Speed can compensate somewhat by reducing detection time and extending missile range, especially in anti high-value asset (HVA) missions against tankers, AWACS aircraft, etc.

But neither aircraft can reach the capabilities of the F-22A Raptor or the F-35 Lightning II. Unlike the American F-22A, the Typhoon's supercruise capability for sustained speed above Mach 1 relies on the aircraft being 'clean', with no external weaponry or fuel tanks mounted. The SU-30 also lacks that capability, but will get it as and when plans for an engine with higher ratings are realised.

Exercise Indra Dhanush 2007 reaching its high point with a 6 v/s 6 exercise with 4 Indian Su-30 MKIs, 4 British F3 Tornados, 2 British Typhoons and 2 Royal Navy GR9 Harriers. An Indian IL-78 MKI aerial refuelling tanker and a British E-3D Sentry AWACS were also in the air. But no details have been released regarding the results.

The force projection angle

To India, however, what matters a great deal more than the excitement of the aerial battles is the successful deployment of its latest aircraft using IAF aerial refuelling and the attendent logistics. An Indian ministry of defence release states: "When the IAF Jaguars flew to Alaska during their first overseas joint air exercise 'Cope Thunder' in July '04, the newly inducted Ilyushin-78 MKI 'air-to-air' refuellers of the IAF heralded their acquired strategic reach capability. This year, the six Su-30 MKIs that flew from the Pune airbase in India to the RAF airbase at Waddington (UK), were also accompanied by two IL-78 MKIs of the 'Valorous MARS' (No: 78 Mid-Air-Refuelling Squadron) from Agra, through their long ferry route. Despite the din and the excitement of the first-ever arrival of the formidable Su-30 MKIs in the UK, the significant aspect of IAF's continued enhanced strategic reach capability did not go unnoticed."

When India gets the IL-76 Russian-Israeli Phalcon AWACS aircraft, its power projection ability will grow. Coupled with the Admiral Gorshkov aircraft carrier (to be called INS Vikramaditya), it will be a force to be reckoned with in the Indian Ocean area. Exercises like Indra Dhanush 2007 are valuable, as much for the insights and the trends that they provide, as for the more direct logistics and interoperability lessons learned. Last, but not least, the IAF gets to see what the fighter aircraft the country is thinking of buying are actually capable of.

The IL-78 MKIs have been employed in five overseas assignments so far. These include Alaska, South Africa, France, Singapore and now UK. Unfortunately, tanking the RAF fighters during the exercise was not part of the mission, as that would have really tested interoperability. The six IAF Su-30 MKI fighters that participated in Operation Indra Dhanush flew nearly 19,000 km each, and did mid-air tanking eight times, transferring nearly 225 tonnes of fuel mid-air in all, spread over 28 flying hours. Stopovers were at Doha (Qatar) and Tanagra (Greece), both coming and going.

http://www.domain-b.com/aero/july/2007/20070720_indra_dhanush.htm
 

Daredevil

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Daredevil, you put a lot of work into all your Su-30 posts this morning and I don't want to offend you, but there is one hell of a lot of 'cut and paste' reading here.
Be better if you included the sites to read, add pics and cut back on the written word a bit, young friend.
Sailor, thanks for the concern. The purpose of this thread is to gather all known information related to Su-30MKI at one place. Sure, it is a cut, copy, paste job-you don't expect me to write all this stuff, right. I have included source for this information at the bottom of the post. You can read the same there as well.
 

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the Typhoon's supercruise capability for sustained speed above Mach 1 relies on the aircraft being 'clean', with no external weaponry or fuel tanks mounted.
Wrong from all accounts by those who use it. It can apparently supercruise up to Mach 1.5 clean and Mach 1.2 with an A-A combat load (at 36000ft), although according to the pilots who fly the plane it can supercruise Mach 1.3 with a combat load.

The rest of the article is horribly vague.

Edit: sorry for being off topic.
 

Sailor

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Sailor, thanks for the concern. The purpose of this thread is to gather all known information related to Su-30MKI at one place. Sure, it is a cut, copy, paste job-you don't expect me to write all this stuff, right. I have included source for this information at the bottom of the post. You can read the same there as well.
Sure mate. Good job too like all your dedication here and I shouldn't have said anything.
It's just that on some forums it is all massive cut and pastes and the Admins don't say anything to stop it.
We all cut and paste. Especially news items, but it is just my opinion that all posts need to be pruned to the essential basic points.
 

Sailor

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you are right But Australians have also been very unhappy and critical of the Super Hornet they seem to be unhappy with anything they get., they are overpowered and dreaming of fighting in Asian wars where they'll stepped on like a bug.(no pun intended)
Hahahahahhahah! Actually that is very right. We are a nation of whingers.

Only the best will do for us and the best isn't available.
Just remember Fiji could attack at any moment.
 

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Hahahahahhahah! Actually that is very right. We are a nation of whingers.

Only the best will do for us and the best isn't available.
Just remember Fiji could attack at any moment.
And Australia would step on it like a bug
:113:
 

Sailor

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Yeah well just remember that we only have 20 million people here and we come 4th in the Olympics. We kick arse.
 

Shiny Capstar

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They maybe paranoid for many reasons firstly they are the only Anglo nation in Asia, they are surrounded by Much bigger countries in terms of population while they have a big country with a very small population. They are a part of NATO with no real NATO members nearby (japan is pacifist and s. korea has N.korea problems)their fears are if anything happens they may not be able to handle it alone and second NATO/USA may not get to them quick enough or have the economic will to do so? All the countries surrounding them have Russian war planes and they are getting deadlier and deadlier though their fears seem to be overblown the next generation of Asian warplanes will be a lot deadlier and many missile issues for the russians will be resolved since it could lead to a loss of revenues; but if the australians are looking for a security blanket they will never have one. a lot of it maybe them being a cry baby for not getting the raptor.
Australia is not part of NATO, it is a 'Major non-NATO ally' and part of ABCA.
The report was written by a person who has a well known view that only the F22 will do and that the F35 is a piece of crap, which isn't right for the Australian AF. A view not shared by the actual AF.
To try and justify this he ignores how the F22 does not fit the requirements of the AF and uses the imaginary 'Flanker threat' to try and scare people into supporting him. Saying that the F35 is no good against them.
 

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Guys accroding to vayu article, MKI is going to get radar upgrades in two satges:

Stage1: PESA will be retained but with enhanced radar performance and operating modes.

Stage 2: AESA will be introduced which will have similarity with the PAK -FA
 

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Thanks a lot for all the info Daredevil ....can you post more pics of Su-30 MKI please...:bye:
 
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