DFCS: Digital Flight Control Software
DFCS: Digital Flight Control System
DFI: Development Flight Instrumentation
DFI: Development Flight Integration
DFRC: Dryden Flight Research Center
DFRF: Dryden Flight Research Facility
DFS: Dynamic Flight Simulator
DME: Distance Measuring Equipment
EALA: European Air Law Association
EAS: equivalent airspeed
EASA: European Aviation Safety Agency
EC: Engine Control
ECAC: European Civil Aviation Conference
ECATA: European Consortium for Advanced Training in Aerospace
EES: ejection escape suit
EES: Emergency Ejection Suit
EES: Escape Ejection Suit
EFA: Experiment Flight Application
ELV: Earth Launch Vehicle
ELV: Expendable Launch Vehicle
EOPF: End of Powered Flight
ERAP: Earth Resources Aircraft Program
ERS: Entry and Recovery Simulation
EUROCAE: European Organization for Civil Aviation Equipment
FAA: Federal Aviation Administration
FAB: Flight Assignment Baseline
FACT: Flight Acceptance Composite Test
FAD: Flight Assessment Delta
FAF: First Aerodynamic Flight
FAFS: Falcon Air Force Station
FAL: First Approach and Landing
FAMOS: Flight Acceleration Monitor System
FAO: Flight Activities Officer
FAR: Federal Aviation Regulation
FAR: Flight Acceptance Review
FAR: Flight Analysis Review
FAS: Flight Analysis System
FASCOS: Flight Acceleration Safety Cutoff System
FAWG: Flight Assignment Working Group
FBAS: Fixed-Base Aft Station