Member of the Year 2011
- May 26, 2010
This Aircraft have no Radar, Its Navigation is based on some GPS receiver..
Its a very small radar, Even offered for MIG-21..Second Avionics Upgrade: DARIN II
To extend the operational life of Jaguars by perhaps another two decades, further improvement of avionics suite is now in progress under project DARIN II. This involves a Sagem Ring-Laser-Gyro INS with integrated Global Positioning System (GPS). The combination is yielding a position accuracy within 100 metres, which does not degrade with flight time. Twin mission computers developed by DRDO's Defence Avionics Research Establishment (DARE) are installed, providing much better redundancy than in the original DARIN refit.
An Israeli HUD from Elbit replaces the Smiths' one and an indigenous Rear Warning Radar the original Marconi's. The COMED has been abandoned, its task now being done by Smart Multi-function Displays (SMDs). An imported chaff dispenser has been added. On the ten maritime Jaguars the Agave radar is to be replaced by one from Israeli Elta Systems Group. Currently DARIN II upgrade is in progress on the 17 two seat Jaguars being produced by HAL. At least eight of these have already been delivered to IAF. In time DARIN II will first replace the NAVWASS on all direct supply strike Jaguars during their overhaul at HAL. An autopilot is currently under development in the country. Later DARIN II upgrade including the autopilot may be implemented on all remaining aircraft in service.
Is it possible to equip these jets with a new radar?
Radars are used for ground mapping in the strike role. Considering the size of the Jaguar's radome, it won't be particularly good on a cost vs capability basis.Why radars are not included in the upgrade?
But these jets often need to fly very close to the surface (land/sea) at high speeds, in that case what sort of equipment do they rely on to map the terrain below?Radars are used for ground mapping in the strike role. Considering the size of the Jaguar's radome, it won't be particularly good on a cost vs capability basis.
In the USAF, the most survivable tactical strike aircraft was the F-117A. Even this aircraft did not carry a radar.
A radar is not necessary for bombing, what we need is a targeting pod like LITENING or Damocles for LGBs.
A Terrain navigation system that maps the ground using cameras and compares it to photographs taken earlier. It is called TerProm or Terrain Profile-matching system. Apart from that there are Ground Proximity Warning Systems, Obstacle avoidance systems, database for obstacles etc. It is something like TERCOM on cruise missiles.But these jets often need to fly very close to the surface (land/sea) at high speeds, in that case what sort of equipment do they rely on to map the terrain below?
Members can go to the above site and see for themselves how foreign manufactrurers shaft the IAF with dodgy claims.The integrated Nav-Attack system fitted to these aircraft was the Marconi NAVWASS based on a floating gyro platform. A lot was expected from it. Unfortunately, its performance on the field fell below the expected level. It was not accurate enough and it was very hard to maintain. When we became interested in the Jaguar as our potential DPSA, the performance of the NAVWASS was our main discouragement.
I agree, jags are only useful as close air support role in modern war, that too because more capable aircrafts are buys with other roles and we no option but to use jaguars as we have to keep up the squadron numbers also, afterall something is better than nothing.The jaguar is still surviving in IAf is testimonty to local talent.
It was palmed off on the IAF with defective terrain profile matching system by BAe based on the promise that it will be remedied later.
Once the purchase was made, the BAE asked a stiff 125 crore for aFEASIBILITY STUDY to check whether another system can be fitted on the aircraft.
The MOD was shocked by this double dealing.
The fighters languished with same defective system for awhile.
Then within a budget of 20 crores it was upgraded with apporopriate navigational aid by INDIANS .
The DARIN Story ï¿½ TKS' Tales
Members can go to the above site and see for themselves how foreign manufactrurers shaft the IAF with dodgy claims.
It was then upgraded.
During it's heydays of 1970s and 80s whereshoulder fired heat seeking missiles and short range sams were luxury it did it's role as effective tree top level bomber with aplomp.
Now with AWACS systems and proliferation of shouleder fired missiles and short range sams that give hardly a few seconds warning ,how it will survive with a few flairs and escorts is very much debatable.
People compare it often with A-10 tank busters of US army.But what they don't tell is A-10 is heavily armoured and can take punishment,while jags can't as they have no armour matching the A-10.
Only some third world countries and india are using this jags.
Todays deep penetration strike is performed by RAFALES AND SUKHOIs.
Jags can still provide close air support to front line army units.
But nowadays even tanks fire anti-aircraft missiles, then what are the odds of jags survivals in this situation.Surely escorts are no bodygaurds to come between the missile and JAgs.
That too is impossible,because the reaction time to evade a couple of these missile is a few seconds only.
No western airforce uses this. It's been retired by them.
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