| Code | Type |
|---|---|
| AS | Specification or Interface Control Dossier |
| AP | Acceptance Test Procedure |
| AR | Acceptance Test Report |
| AM | Maintenance or Operating Procedure |
| AD | Drawings |
| AE | Design Description |
| AA | Analysis document |
| AW | Software code |
| BP | Project Plan |
| BD | Project Directive |
| BS | Project Standard |
| EP | Engineering Change Proposal |