| Acronym | Meaning |
| RTP | Request For Technical Proposal |
| ISI | Information Spectrum Inc |
| ASG | Aeronautical Standards Group |
| PRGB | Proprotor Gearbox |
| REF | Reference |
| PM | Periodic Maintenance |
| CAAS | Contractor Assistance And Advisory Service |
| IRP | Intermediate Rated Power (30 Minutes) |
| CRLCMP | Computer Resources Life Cycle Management Plan |
| EIA | Electronic Industries Association |