| Acronym | Meaning |
| PBIT | Periodic Built-in Test |
| LASC | Lockheed Aeronautical Systems Company |
| IECMS | In Flight Engine Condition Monitoring System |
| TRI-TAC | Program |
| ISP | Integrated Support Plan |
| SCM | Simulator Operations And Maintenance |
| DBDS | Data Base Design Specification |
| COMSEC | Communication Secure |
| NPR | Naval Plant Representative |
| MPCAG | Military Parts Control Advisory Group |