FCP  Full Change Process 
FCPC  Flight Control Primary Computer 
FCPI  Flight Control Position Indicator 
FCR  Flight Crew Report 
FCRC  Flight Crew Rest Compartment 
FCSC  Flight Control Secondary Computer 
FCST  Forecast 
FCTN  Function 
FCU  Flush Control Unit 
FCU  Flight Control Unit 
FCU  Fuel Control Unit 
FCV  Flow Control Valve 
FD  Flight Director 
FD  Fuselage Datum 
FD  Course from a Fixed Waypoint to a DME Distance 
FDAC  Full Digital AGU Controller 
FDAU  Flight Data Acquisition Unit 
FDB  Floor Disconnect Box 
FDBK  Feedback 
FDC  Fuel Data Concentrator 
FDCE  Flight Deck and Cabin Effects 
FDD  Floppy Disk Drive 
FDE  Flight Deck Effect 
FDEP  Flight Data Entry Panel 
FDIAF  Flight Data Interface/Acquisition Function 
FDIMU  Flight Data Interface and Management Unit 
FDIU  Flight Data Interface Unit 
FDR  Flight Data Recorder 
FDRS  Flight Data Recording System 
FDSU  Flight Data Storage Unit 
FDU  Fire Detection Unit 
FE  Flight Envelope 
FEC  Flight Envelope Computer 
FEDR  Feeder 
FEGV  Fan Exit Guide Vane 
FET  Field Effect Transistor 
FEW  Fleet Empty Weight 
FF  Fuel Flow 
FF  Ferry Flight 
FFCC  Forward Facing Crew Cockpit Configuration 
FFCC  Forward Facing Crew Cockpit Concept 
FFCCV  Forward Flange Compressor Casing Vibration 
FFCCV  Fan Frame Compressor Case Vertical 
FFCM  Free Fall Control Module 
FFL  Flip Flop Latch 
FFP  Fixed Firm Price 
FFS  Full Flight Simulator 
FFS  Full Feasibility Study 
FG  Flight Guidance 
FGE  Flight Guidance and Envelope