| Acronym | Meaning |
| AIPF | Anti-ice Valve Position Failure |
| PCC | Procurement Contracting Office |
| DDM | Diagnostic Diagrams |
| CAFED | Computer-aided File Of Engineering Drawings |
| CNI | Comm/nav/iff |
| CP | Computer Program |
| BL | Buttock Line |
| RAT | Reliability Assessment Testtmtram Air Turbine |
| READS | Requirements Entry Allocation Decomposition System |
| SE | System Engineering |