I started this thread prompted by a question on a checkout questionnaire at a flight school I was going to rent from.
The answer that they gave in the end was, indeed, master off first; but they said that they would consider squawking 7700 then immediately turning off the master. Faster than a radio call, and they said that as soon as you hit 7700 it will transmit, it won't wait to be interrogated by primary radar...is this correct?
Last edited by Katamarino; 30th September 2012 at 22:26.