Aviation General

What is GMT in Aviation? (Greenwich Mean Time)

What is VSI in Aviation? (Vertical Speed Indicator)

What is GUMPS in Aviation? (“Gas)

What is ISIS in Aviation? (Integrated Standby Instrument System)

What is HPTACC in Aviation? (High Pressure Turbineactive Clearance Control)

What is ARP in Aviation? (Aerodrome Reference Point)

What is RPAS in Aviation? (Remotely Piloted Aircraft System)

What is PDOP in Aviation? (Position Dilution Of Precision)

What is BGAN in Aviation? (Broadcast Global Area Network)