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Dazzler · October 13th, 2006, 16:48

Maybe it's something to do with vertical spacing of aircraft.

Example:

If you're at FL180, your alt. setting is 29.92 and your altimeter is indicating 18,000 feet MSL.
Then you descend to 17,000 feet MSL, you would set your alt. to 31.00, and it would indicate over 18,000 feet MSL.

You've physically descended, but have climbed according to the altimeter.

October 13th, 2006, 16:48	#4
Dazzler Senior Member Join Date: Jan 2004 Location: Minneapolis, MN Posts: 1,041	Re: Why do Altimeters Max out at 31.00"? Maybe it's something to do with vertical spacing of aircraft. Example: If you're at FL180, your alt. setting is 29.92 and your altimeter is indicating 18,000 feet MSL. Then you descend to 17,000 feet MSL, you would set your alt. to 31.00, and it would indicate over 18,000 feet MSL. You've physically descended, but have climbed according to the altimeter. __________________ CSEL-IA AGI IGI CFI CFII Little children may destroy a house... But they make a home.