Based on a number of trike fatalities because of lack of training of pilots being able to exit intentional or unintentional spiral dives, I have decided to pursue getting spiral dive recovery into the Practical Test Standards (PRS) for the USA so...
well it happened, a veteran trike pilot started it with him not in it, it flew off without him, went vertical stalled and crashed onto the hanger roof, at my home field arlington wash. fortunattely he wasn'tt seriously hurt but the trike was...