| Acronym | Meaning |
| RCM | Reliability Centered Maintenance |
| TRR | Test Readiness Review |
| EI | Engineering Information |
| YFB | Ferry Boat Or Launch (self-propelled)(misc) |
| FTIP | Flight Test Interface Panel |
| SERD | Support Equipment Recommendation Data |
| BMA | Boeing Military Airplanes |
| NTIS | National Technical Information Service |
| SQMB | Senior Quality Management Board |
| PVS | Periscope View Simulators (associated With 21a Series) |