Atlas / Learn / Glossary ICING — - The accumulation of airframe ice ICING · Abbreviation - The accumulation of airframe ice. Source: FAA Pilot/Controller Glossary Related · Abbreviation ABEAM ABEAM ABORT ABORT — To terminate a preplanned aircraft maneuver AFM AFM — airplane flight manual AGL AGL — above ground level ALS ALS — approach light system APU APU — auxiliary power unit
