Atlas/ Glossary/ ICING Abbreviation ICING — - The accumulation of airframe ice. ICING - 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
