In article ,
bumper wrote:
My Winter 57 mm 20,000 ft altimeter reads about 200 ft high when entering
the barometric pressure in the Kholsman window. Some altimeters have a screw
adjust for this. Anyone know how this is done on the Winter?

thanks,

bumper

Hmmm...I wouldn't muck with it myself. The USA instrument flying
handbook describes these altimeter errors in cold weather.

I'd personally just use the error chart, and subtract the 200ft.

Beyond that, nope, dunno where the screw adjust is on the Winter,
but if you have a guy who regularly does 91.413 checks (transponder
checks) at your airport, he might help too...
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Mark J. Boyd