| Name | Data Type | Definition | |
|---|---|---|---|
| ALSAF | string | 3000 Foot high intensity Approach Lighting System with Sequenced Flashing Lights. | |
| MALS | string | 1400 Foot Medium Intensity Approach Lighting System. | |
| MALSR | string | 1400 Foot Medium Intensity Approach Lighting System with Runway Alignment Indicator Lights. | |
| SALS | string | Simple Approach Lighting System. | |
| SSALS | string | Simplified Short Approach Lighting System. | |
| SSALR | string | Simplified Short Approach Lighting System with Runway Alignment Indicator Lights. | |
| LDIN | string | Lead-In Lighting System. | |
| ODALS | string | Omni Directional Approach Lighting System. | |
| AFOVRN | string | US Air Force Overrun 1000 Foot Standard Approach Lighting System. | |
| MILOVRN | string | Military Overrun. | |
| CALVERT | string | Calvert Approach Lighting System | |
| OTHER | string | Other |