| ·AMC： | Acceptable Means of Compliance |
| ·AA： | Appropriate Arrangement |
| ·CAR： | Canadian Aviation Regulations |
| ·CFR： | Code of Federal Regulations |
| ·DO： | Design Organization |
| ·DDA： | Direct Delivery Authorization |
| ·EASA： | European Aviation Safety Agency |
| ·ETSO： | European Technical Standard Order |
| ·FAA： | Federal Aviation Administration |
| ·JTSO： | Joint Technical Standard Order |
| ·PMA： | Parts Manufacturer Approval |
| ·PO： | Production Organization |
| ·STC： | Supplemental Type Certificate |
| ·TSO： | Technical Standard Order |
| ·TC： | Type Certificate |