| Acronym | Meaning |
| PIECP | Preliminary Impact Engineering Change Proposal |
| DCL | Document Change List |
| M | ESAModular Equipment Stowage Assembly |
| SP-ILS | Integrated Logistics Support Office (KSC Shuttle) |
| HAL/S | High Order Assembly Language For Shuttle Flight |
| WA | Wide Angle |
| PTS | Payload Transportation System |
| FLT | Flight |
| TFL | Telemetry Format Load |
| OMMH | Orbiter Maintenance Man-Hours |