EXTING  Extinguish 
EXTING  Extinguisher 
EXTIR  Extinguisher 
EXTN  Extension 
EXTR  Extractor 
EXTR  Extrusion 
EXTRACT  Extraction, Extractor 
EZ  Electrical Zero 
E/T  Electrical Trim 
F  Fuel 
F  Fahrenheit 
F  Minimum Flap Retract Speed (EFIS) 
F-G/S  FLS Glide Slope 
F-LOC  FLS Localizer 
F-PLAN  Flight Plan 
F-PLN  Flight Plan 
FA  Course from a Fixed Waypoint to an Altitude Termination 
FAA  Federal Aviation Administration 
FAC  Flight Augmentation Computer 
FACS  Flight Augmentation Computer System 
FADEC  Full Authority Digital Engine Control 
FAF  Final Approach Fix 
FAI  First Article Inspection 
FAIL  Failed, Failure 
FAIR  Fairing 
FAL  Final Assembly Line 
FALH  Final Assembly Line Holder 
FANS  Future Air Navigation System 
FAOM  Flight Attendant Operating Manual 
FAP  Forward Attendant Panel 
FAP  Flight Attendant Panel 
FAR  Federal Aviation Regulations 
FAS  Flight Augmentation System 
FAS  Fatigue Approval Sheet 
FAV  Fan Air Valve 
FAWP  Final Approach Waypoint 
FBB  Fasten Bed Belt 
FBS  Fixed Base Simulator 
FBW  Fly-by-wire 
FC  Freight Container Train 
FC  Flight Cycle