| A11 | Northwest airport management, L.p. |
| A110*G | This airport has been surveyed by the national geodetic survey. |
| A110-1 | Taxiways unlighted. |
| A110-11 | Taxiways A and B closed east of runway 17R indefinitely. |
| A110-13 | Noise sensitive area southwest of airport. All military aircraft departing runway 17R climb runway heading to 650 ft MSL prior to turns or rejoin. |
| A110-14 | Aircraft 25,000 lbs and over are restricted to taxiways C, P, east (between taxiways P and G) , taxiway G (north of taxiway east) , ramps A and C and the tomball jet center ramp. All other taxiways restricted to aircraft below 25,000 lbs. |
| A110-15 | Taxiways D and K restricted to aircraft 12,500 lbs and below. |
| A110-2 | After sunset large aircraft use taxiway P between taxiways east and C. |
| A110-3 | Helicopter practice area west of air traffic control tower at or below 600 ft. |
| A110-4 | Runway 17R/35L lighted signs out of service indefinitely. |
| A110-5 | Taxiway H lighted signs out of service indefinitely. |
| A110-6 | After hours serivce available; prior notice required during atndd hours contact 1-800-624-7394; C281-376-5436. |
| A110-7 | (A89) for flight plan filing please call cxo flight service station 1-800-833-5602 |
| A110-8 | Four helicopter parking spots located east of taxiway K. |
| A110-9 | Taxiway K restricted to piston aircraft only. |
| A42-17L | 17L/35R markings faded. |
| A48-17R | REIL located at displaced threshold. |
| A57-17R | Approach ratio 39:1 from displaced threshold to 54 ft trees 2150 ft from displaced threshold across approach. |
| A57-35R | Approach ratio 19:1 from displaced threshold over 44 ft trees at 860 ft from displaced threshold 0B. |
| A58-17R | Dirt road on centerline 175 ft from threshold. |
| A81-APT | When air traffic control tower closed activate HIRL runway 17R/35L, REIL runways 17R and 35L - CTAF. |