| Name | Data Type | Definition | |
|---|---|---|---|
| BRD | string | Brakemeter-Dynometer. | |
| GRT | string | Grip tester. | |
| MUM | string | Mu-meter. | |
| RFT | string | Runway friction tester. | |
| SFH | string | Surface friction tester (high-pressure tire). | |
| SFL | string | Surface friction tester (low-pressure tire). | |
| SKH | string | Skiddometer (high-pressure tire). | |
| SKL | string | Skiddometer (low-pressure tire). | |
| TAP | string | Tapley meter. | |
| OTHER | string | Other friction device. |