| Acronym | Meaning |
 | FSI | Functionally Significant Item |
| PM | Preventative Maintenance |
| WSAP | Weapon System Acquisition Process |
| EELS | Emergency Escape Lighting System |
| CC | Configuration Control |
| PSL/PPL | Process Support Language/process Programming Language |
| TCNP | Tacan Point To Point |
| RPU | Rotor Phasing Unit |
| PRC | Portable Recompression Chamber |
| YCV | Aircraft Transportation Lighter (non Selfpropelled) |
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