Were there any Puchaz spin fatalities in Australia? I know that DDSC used them for spin training from mid nineties without an incident.
Cheers Paul On Dec 28, 2014 1:32 PM, "Daryl Mackay" <[email protected]> wrote: > Hi Richard, > Fear of manoeuvring when low level might have an inexperienced pilot over > ruddering the turn. This pro-spin cross control in low level turbulent air > (higher "g" transients) can certainly drive one into an incipient spin. > Coupled with lack of spin currency hightening a natural fear when pointing > at the ground at such low heights and perhaps driving one to pull back on > the stick. We certainly see similar response in many other types of > accidents where clear evidence proves pilot error. (Passenger airliners > spin in too and there is clear "black box" evidence of this.) Also, at BSS > we had the chance to observe back seat video of a wings level sideways > landing into a soft sandy paddock where the yaw string was at right angle > to the longitudinal axis. The low hours pilot was evidently still trying to > turn the ACFT with rudder alone. The scooping action shown by the wheel > track confirmed the video. So there is enough evidence that pilots react > adversely under pressure. > In any case, to an experienced witness on the ground, we sometimes get a > pretty good idea if the correct anti-spin recovery was initiated. > With reference to an earlier comment. > I spoke to one of the instructors who had the near accident in a Puchacz > at Beverley. He told me they were "experimenting" with the spin by holding > in the anti-spin controls held in after recovery to check entry > characteristics for the opposite direction. My understanding was that doing > this over the hills to the west of the field with AFLD QFE set on the > altimeters complicating the situation. In any case they recovered from the > spin but it was a harrowing experence at this low height recovery. > In any case, it was not a required JAR 22 manoeuvre for the manufacturer > to run, a Flight Manual procedure, a GFA procedure and the height was a > further consideration. So this was (in my opinion) an ad hoc test flight > that went wrong for the pilots. Luckily they still made a recovery from the > subsequent spin all be it to a landing on higher ground than expected. > Apologies to the other pilot whom I have not spoken to about this incident. > We certainly still spin the Puchacz without restriction at BSS. (Obviously > with no part of the manoeuvre planned below 1000ft height as required for > all ACFT) So you can appreciate we have no issue with our Puchacz and I > haven't had anyone request they use another ACFT for the required training > or checking. > The remaining issue is currency to remove the fear and at BSS, not the > ACFT. > > _______________________________________________ > Aus-soaring mailing list > [email protected] > To check or change subscription details, visit: > http://lists.internode.on.net/mailman/listinfo/aus-soaring >
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