| Acronym | Meaning |
| HOGE | Hover Out Of Ground Effect |
| PA | Pressure Altitude |
| FFP | Fixed Fee Procurement |
| SCP | Supplier Change Proposal |
| ESA | Emergency Safe Altitude |
| ECS | Engineering Change Support |
| DCP | Decision Coordinating Paper |
| EAST | European Advanced Software Technology |
| DIM | Discrete Interface Module |
| TOS | Training Ojective Statement |