| Acronym | Meaning |
| PBR | River Patrol Boat (river/roadstead Craft) |
| SMILS | Sonobuoy Missile Impact Location System |
| SL | Short Landing |
| CND | Chief Of Naval Development |
| FAIR | Financial Accounting & Inventory Record |
| FM | Frequency Modulation |
| XCHANGR | Exchanger |
| PTR | Problem Trouble Report |
| ECP | Engineering Change Proposal |
| TRG | Target |