Aviation General

What is HPA in Aviation? (Human-Powered Aircraft)

What is ENC in Aviation? (Electronic Noise Canceling)

What is APT in Aviation? (Airport)

What is APU in Aviation? (Auxiliary Power Unit)

What is AIP in Aviation? (Aeronautical Information Publication)

What is SOP in Aviation? (Standard Operating Procedure)

What is ITT in Aviation? (Interstage Turbine Temperature)

What is ADF in Aviation? (Automatic Direction Finder)

What is EGT in Aviation? (Exhaust Gas Temperature)