| Acronym | Meaning |
| IRP | Intermediate Rated Power (30 Minutes) |
| WL | Water Line |
| KHZ | Kilohertz |
| COMM | Communication |
| SEB | Support Equipment Bulletin (tdc 63) |
| HMPC | Hazardous Maintenance Procedures Code |
| MMRI | Mandatory Mission Rule Item |
| HEELS | Helicopter Emergency Egress Lighting System |
| CL | Center Line |
| DSM | Discrete And Serial Module |