| Acronym | Meaning |
| IMRR | Inspection Maintenance And Repair Record |
| YWN | Water Barge (non Self-propelled)(lighter) |
| NVIS | Near Vertical Incident Skywave |
| HMPC | Hazardous Maintenance Procedures Code |
| HFE | Human Factors Engineering |
| FLR | Flare |
| RCS | Radar Cross Section |
| PSO/NO-AIR | Pressure Shut Off No Air |
| MT | Maintenance Test |
| OMB | Office Of Manpower And Budget |