| Abbreviation | Definition |
|---|---|
| FC | Flight Computer |
| FC | Flight Control |
| FC | Flight Critical |
| FC | Furnace Container |
| FCA | Fluids Control Assembly |
| FCA | Focus Correction Area |
| FCA | Frequency Control Analysis |
| FCA | Functional Compatibility Analysis |
| FCAF | Flight Crew Accommodations Facility |
| FCAP | Flight Control Applications Program |
| FCC | Flat Conductor Cable |
| FCC | Flight Control Computer |
| FCC | Flight Crew Compartment |
| FCCP | Firm Contract Cost Proposal |
| FCD | Flight Control Division |
| FCDB | Flight Control Data Bus |
| FCE | Flight Control Equipment |
| FCE | Flight Crew Equipment |
| FCEF | Flight Crew Equipment Facility |
| FCEI | Facility Contractor End Item |