| A110*G | This airport has been surveyed by the national geodetic survey. |
| A110-1 | Runways 06/24; 12R/30L and 17/35 not available for air carrier operations with more than 9 passenger seats. |
| A110-2 | (A89) for flight plan filing please call cxo flight service station 1-800-833-5602 |
| A26 | Closed to unscheduled air carrier operations with more than 9 passenger seats except prior permission required please call 361-578-2704; after hours 361-575-0651. |
| A30-06/24 | Northwest 2800 ft of runway grooved. |
| A57-12R | Approach ratio 50+:1 from displaced threshold. |
| A57-30L | Approach ratio 50+:1 from displaced threshold. |
| A81 | HIRL runway 12L/30R preset low intensity; to incr intensity and activate MALSR runway 12L - CTAF. MIRL runway 17/35 preset medium intensity only. PAPI runways 30R, 17 and 35 opers continuously. |