| Name | Data Type | Definition | |
|---|---|---|---|
| LIL | string | Light intensity low. | |
| LIM | string | Light intensity medium. | |
| LIH | string | Light intensity high. | |
| LIL_LIH | string | Low intensity for night use; high intensity for day use, as determined by a photo-cell. | |
| PREDETERMINED | string | A predetermined intensity step, in the approach lighting system that takes precedence for air-to-ground radio control over the runway lighting system which is set, based on expected visibility conditions. | |
| OTHER | string | Other. |