| Acronym | Meaning |
![](file.png) | FCOS | Flight Control Operating System |
![](file.png) | FCOS | Flight Control Operational Software |
![](file.png) | FCOS | Flight Control Operational Software |
![](file.png) | FCP | Failure Correction Panel |
![](file.png) | FCP | Firm Cost Proposal |
![](file.png) | FCP | Flight Correction Proposal |
![](file.png) | FCP | Fuel Cell Power (Plant) |
![](file.png) | FCP | Fuel Cell Power Plant |
![](file.png) | FCPS | Fuel Cell Power System (Subsystem) |
![](file.png) | FCR | Final Configuration Review |
![](file.png) | FCR | Flight Configuration Review |
![](file.png) | FCR | Flight Control Room |
![](file.png) | FCR | Flight Control Room |
![](file.png) | FCRA | Fecal Collection Receptacle Assembly |
![](file.png) | FCRT | Flight Display CRT |
![](file.png) | FCS | Fecal Containment System |
![](file.png) | FCS | Federal Communications System |
![](file.png) | FCS | Flight Control System |
![](file.png) | FCS | Flight Control System (Subsystem) |
![](file.png) | FCS | Flight Crew System |
![](file.png) | FCSM | Flight Combustion Stability Monitor |
![](file.png) | FCSS | Fuel Cell Servicing System |
![](file.png) | FCT | Flight Control Team |
![](file.png) | FCT | Flight Crew Trainer |
![](file.png) | FCT | Fuel Cell Test |
![](file.png) | FCTB | Flight Crew Training Building |
![](file.png) | FCTF | Fuel Cell Test Facility |
![](file.png) | FCTS | Flight Crew Trainer Simulator |
![](file.png) | FCU | Fluid Checkout Unit |
![](file.png) | FCW | Format Control Words |
![](file.png) | FD | Fault Detection |
![](file.png) | FD | Feed |
![](file.png) | FD | Flight Day |
![](file.png) | FD | Flight Deck |
![](file.png) | FD | Flight Director |
![](file.png) | FD | Freeze Dried |
![](file.png) | FD | FunCtion Designator |
![](file.png) | FD | WMR Food Warmer |
![](file.png) | FDA | Fault Detection And Annunciation |
![](file.png) | FDA | Flight Deck Assembly (FDF) |
![](file.png) | FDAI | Flight Director Attitude Indicator |
![](file.png) | FDB | Fahrenheit Dry Bulb |
![](file.png) | FDDB | Function Designator Data Base |
![](file.png) | FDF | Flight Data File |
![](file.png) | FDF | Flight Data File |
![](file.png) | FDI | Failure Detector Indicator |
![](file.png) | FDI | Fault Detection And Identification |
![](file.png) | FDI | Fault Detection And Isolation |
![](file.png) | FDIIR | FaLilt Detection |
![](file.png) | FDIIR | Recompensation |