Having experienced the deafening silence of a 'donk' conking out on a C182 I can attest to the 'pucker factor' being fairly near the top of the scale. Mind you, it helps if you're 4,000' over an airfield at the time but that just makes sure you do your most perfect circuit ever... on the numbers and with just enough excess height that you can comfortably sideslip it off.
Now off to the Non-Air Transport Forum with you!
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Capt PPRuNe
The Professional Pilots RUmour NEtwork