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What does IA stand for?

IA stands for Indicated Altitude

This definition appears somewhat frequently and is found in the following Acronym Finder categories:

  • Military and Government

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Other Resources:
We have 87 other meanings of IA in our Acronym Attic

Samples in periodicals archive:

Pilots talk about five types of altitude: Indicated altitude is what the altimeter says when it's set to the current air pressure.