| Acronym | Meaning |
| SSS | Sound Suppression System |
| PAM | Pulse Amplitude Modulation |
| RFL | Reflect |
| RDD | Requirements Definition Document |
| MAP | Maintenance Analysis Program |
| CHCS | Cabin Humidity Control Subsystem |
| FSTE | Factory Special Test Equipment |
| CTM | Contract TechnicalManager |
| SF | Safe |
| UMVF | Unmanned Vertical Flight |