MastanKhan
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Sir, AMRAAM, SD-10 & R-77 or any other BVR missile needs guidance from the launching platform till it reaches the range from where the missiles own seeker can detect the target and home onto it.
AMRAAM, SD-10, R-77, Derby or any other BVR missile are fire and forget if fired at ranges from where just after launch the missile active radar seeker starts detecting the target themselves.
AMRAAM also needs to be guided within 30Km or so of the target for its own radar to take over.
No BVR missile is truly fire and forget at their maximum flight ranges, they all need to be brought in a specified range for their own seekers to detect the target, this includes AMRAAM also.
And if the guidance is to be provided by the launching aircraft through out the flight envelope of the missile to reach its target, then yes, the aircraft needs to keep its direction at an angle from where the radar keeps a track and lock of it, whether it be pointed straight at the target or little sideways, whichever the angel from where the radar can keep a track and lock.
With data link, it is possible for the AEW&C to guide the missile after launched from the launching platform who keeps its radar off to evade detection. But the firing i believe has to be done by the pilot himself, he gets the data and command from the AEW&C through data link and when instructed, it fires and takes a turn, and the missile gets its guidance from the AEW&C or even another fighter aircraft which may have a bigger and more powerful radar.
So Sir, AMRAAM, SD-10, R-77, Derby, R-Darter etc etc are all fire and forget missiles but depending on their radar seeker detection performance, if the target is away from their detection range, then they are not fire and forget, rather they need guidance from another platform to be on track towards the target.
Sir plzz read the below link to fully understand how the active radar seeker works as well as the semi active guidance which the AIM-7 Sparrow had.
Active & Semi Active Radar Guidance
ACTIVE AND SEMIACTIVE RADAR MISSILE GUIDANCE
A very detailed Missile Guidance Read:
Missile guidance - Wikipedia, the free encyclopedia
Hi TK,
Thanks for your reply---what my question was----is the launching aircraft nose kept in the same direction as that of the missile launch till the missile seeker got a lock---like the sparrow missiles---which was not a very healthy position for the pilot to be flying in.