| Acronym | Meaning |
| EIC | Experimental Intercom |
| FAO | Flight Activities Officer |
| PSC | Parallel Switch Control |
| R | Receive |
| DC | Display Coupler |
| SCBD | Seller's Approved Configuration Ase Ine |
| VAL | Valid |
| SOP | Standard Operating Procedure |
| PFC | Preliminary Flight Certification |
| PAPI | Precision Approach Path Indicator |