| Acronym | Meaning |
| HCP | Hardness Critical Process |
| DLA | Defense Logistics Agency |
| AIVPC | Anti-ice Valve Position Command |
| UUT | Unit Under Test |
| CRO | Cognizant Regional Office |
| FAC | Facility Requirements Code |
| QCFI | Quality Conformance Final Inspection (on-site) |
| FBIT | Fadec Fail Bit |
| SDR | Software Design Review |
| MFHBF-DC | Mean Flight Hours Between Failures-design Controllable |