| Acronym | Meaning |
| DPRO | Defense Plant Representative Office |
| HIFR | Hover Inflight Refueling |
| TDD | Technical Discussion Document |
| ASIS | Anti Submarine Information System |
| OPI | Optional Procedure Indicator |
| J&A | Justification & Approval |
| PA | Public Address |
| MST | Mission System Trainer |
| YD | Floating Crane (non Self-propelled)(misc) |
| PSMD | Preliminary Ship Manpower Document |