Originally Posted by
Same again
SAR helicopters use a search radar for let downs - not a weather radar. A different animal. In conjunction with FLIR and EGPWS the resulting picture is very accurate and large buoys can be detected easily. A cliff face or island would be obvious. Particularly so from 200 feet which is the level at which the helicopter would be 2 miles from the target.
Not sure what you mean precisely, but the SAR S92 uses the Honeywell Primus wx radar:
https://aerocontent.honeywell.com/ae...1A_for_SAR.pdf