We probably didn't buy R-77-1 but instead RVV-AE just to replenish stocks as stopgap.We did buy 100 Km plus Active version of R-27.
K77M is only for su-57 for now and would probably require a big super sukhoi upgrade deal for russians to give it to us.Its not even fully operational yet and is their next generation BVR.
Astra mk1 is touted as equal in range to R-77-1 and electronically better,as well as having 2 way datalink and indigenous asset.Its going to be counter to AMRAAM C-5 and will outclass sd-10.The Jf-17 bandar funnily can only carry 2 BVRs in Air to air configuration.
I-Derby ER is better than AMRAAM C-5 and has a really good seeker plus dual pulse motor.It will counter the PL-15 which is untested and will probably have larger max range but same NEZ.PL-15 with dual pulse motor,AESA seeker and 2 way datalink will be a challenge.It will be outclassed by meteor however.Chinese are also working on ramjet version.
Astra Mk2 will be proper counter to PL-15 with I-derby ER as stopgap.
The ASRAAM is a superb AAM,its kinematic performance and motor is so good its almost a a bvr with NEZ of 20-25 KM.The massive off boresight capability and advanced FPA seeker is also impressive.Python is very maneuverable but lesser kinematic ability.We had some problems integrating python on tejas due to vibration during launches.
An immediate order given for R-77 series wasn't for the older version but newer R-77-1 . R-77 with a streamlined nose, new active radar seeker head and fins it doesn't need any major modification to be used by the older platform carrying it. If you remember there were reports of IAF test firing three major russian missiles.
The other one was R-74 or R 73 M2 IR with range of 40 km .
R-27 max 120/130 km version may have been bought. There were some reports mentioning it. There was a third type of which 300 pieces were ordered.
Total 400 + 300+300 -- 1000 missiles are bought for around 1500 crores+
K 77 m or R 77 m right ? They aren't the awacs killer bro. The one meant for Su 57 is actually a compact version of it. The range of that might be compromised too there is not much info on it. And those missiles won't be just for Su 57 other platforms will also get it.
We already have test fired R-37M last year and have K 100 in small numbers. It was the third missile in the test IAF had last year. Russians have offered it to us as a stop gap. The range (300-400 km) is much higher than k77 m / R-77-M (160-190+ km) and is awacs killer.
Also an advanced variant of it will be developed.
You are right either K77 m isn't fully developed or IAF didn't showed interest in it else they must have offered it to us .
The other reason could be it's specified range might be similar to Derby ER and IAF preferred Derby ER .
These are thing we can only speculate right now.
I know Python issue with Tejas and have mentioned the same myself in this thread.. I think
Nor there is any doubt raised on ASRAAM capability but it is expensive as compared to other missiles.. except MICA I think which also comes from MBDA stable.
IRIS T was another lethal option with lesser price..anyway IAF knows the best and ma
This news of Lca integrating I derby ER isnt confirmed.
Is I Derby ER integrated on any Israeli plane?
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Yes acc. To Rafael those platforms already certified for Derby can fire the ER version too. There isn't much modification that is required.
In short Tejas can fire Derby ER once FOC comes out. Mk 1a will have ER as it's prime weapon since the Elta 2052 is already confirmed there is not much that we will have to do . Mk1 will also carry these ER version later.. for sure.