| Abbreviation | Definition |
|---|---|
| FCP | Failure Correction Panel |
| FCP | Firm Cost Proposal |
| FCP | Flight Correction Proposal |
| FCP | Fuel Cell Power plant |
| FCPS | Fuel Cell Power System |
| FCR | Final Configuration Review |
| FCR | Flight Configuration Review |
| FCR | Flight Control Room |
| FCRA | Fecal Collection Receptacle Assembly |
| FCRT | Flight display Cathode-Ray Tube |
| FCS | Fecal Containment System |
| FCS | Federal Communications System |
| FCS | Financial Control System |
| FCS | Flight Crew System |
| FCSM | Flight Combustion Stability Monitor |
| FCSS | Fuel Cell Servicing System |
| FCST | Facilities Critical Study Team |
| FCT | Flight Control Team |
| FCT | Flight Crew Trainer |
| FCT | Fuel Cell Test |