@spottingsplanes: This chart lists some of the most common short forms used in aviation — from flight rules to safety and maintenance. It helps pilots, engineers, and controllers communicate quickly and clearly. • Flight & Rules VFR = Visual Flight Rules •e A IFR = Instrument Flight Rules *e NOTAM = Notice to Airmen i • Roles & Authority PIC = Pilot in Command SIC = Second in Command ATC = Air Traffic Control FAA = Federal Aviation Administration ICAO = International Civil Aviation Organization • Aircraft & Ground A/C = Aircraft AOG = Aircraft on Ground MRO = Maintenance, Repair & Overhaul FOD = Foreign Object Debris/Damage ! • Safety & Systems PAPI = Precision Approach Path Indicator RESA = Runway End Safety Area RFFS = Rescue & Fire Fighting Services SMS = Safety Management System • In short: These abbreviations are the "aviation language" — keeping operations safe, efficient, and standardized worldwide #pilotlife #Aviation #learning #alphabet #educational