| Acronym | Meaning |
![](file.png) | RU | Replaceable Unit |
![](file.png) | ISM | Input Signal Management |
![](file.png) | ISARS | Improved Ssbn Recorder Outline System (an/bqh-8) |
![](file.png) | BFTT | Battle Force Tactical Training |
![](file.png) | AV | Audio Visual |
![](file.png) | AHRS | Attitude Heading Reference System |
![](file.png) | SAHRS | Standard Attitude Heading Reference System |
![](file.png) | TDP | Technical Development Plan |
![](file.png) | PECP | Preliminary Engineering Change Proposal |
![](file.png) | PLT | Pilottmtproduction Lead Time |