I don't think I've come across a thread on Pprune where so many people haven't read the f*cking thing properly,
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The RFDS aircraft was 56km's (30nm's), so on a standard 3 degree profile he would have been around 10,000ft. He was NOT at 730m's (2,400ft), he was on DESCENT to 2,400ft.
The PC-12 (turbo-prop, not jet), is not capable of 250kt's IAS at any time, it's VNe is 230kts.
Rant over, on with the thread.
TCAS is a great tool, especially in a single pilot cockpit (sorry Wal, have to disagree with you). The Collins Proline 21 has TCAS in it and I'm lost if it's not working!
I agree that every aircraft should have a working transponder. As others have said, the technology has been around for donkeys years, why is it not standard equipment?
morno