FlyerTalk Forums - View Single Post - Earplanes: How do you know when cruising altitude is reached?

Sep 12, 2011 | 2:13 pm

#3

BigLar

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Join Date: Nov 2002

Location: Freeload Univ. Where are you sitting?

Posts: 14,818

Don't they use a system of bells or beeps? IIRC, the first beep was at 10,000 feet, after which you could start up your electronic gear. The next beep was when we had reached cruising altitude.

Or something like that.

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