| Acronym | Meaning |
| NFC | Navy Finance Office |
| RNVC | Reference Number Variation Code |
| PDU | Power Drive Unit |
| P5 | Turbine Cooling Flow Accountability Total Pressure |
| HIPO | Hierarchical Input Process Output |
| FARECONRON | Fleet Air Reconnaissance Squadron |
| IOS | Instructor Operator Station |
| OBIGGS | Onboard Inert Gas Generating System |
| VFR | Visual Flight Rules |
| OPN | Other Procurement, Navy |