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Hou tower controller and flight crew reported the controller cleared them to cross a runway at the same time a departure was beginning its takeoff roll.
| Attributes | |
| ACN | 1489251 |
| Time | |
| Date | 201710 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | HOU.Tower |
| State Reference | TX |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Large Transport Low Wing 2 Turbojet Eng |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Taxi |
| Route In Use | None |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Medium Transport Low Wing 2 Turbojet Eng |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Takeoff |
| Route In Use | None |
| Flight Plan | IFR |
| Person 1 | |
| Function | Local |
| Qualification | Air Traffic Control Fully Certified |
| Experience | Air Traffic Control Time Certified In Pos 1 (yrs) 13 |
| Person 2 | |
| Function | Pilot Not Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 546 |
| Events | |
| Anomaly | ATC Issue All Types Conflict Ground Conflict Less Severe Deviation - Procedural Published Material / Policy Deviation - Procedural Clearance Ground Incursion Runway |
Narrative:
We were in the last part of a large departure push. I was working the tower local control position. I had 4 aircraft ready to depart. Three were at one runway and one was at an intersecting runway. I was departing a business jet from an intersecting runway. As the taxiing aircraft X turned north; I lined aircraft Y up on the runway. With my plan firmly in my head; I would depart aircraft Y then I would allow aircraft X to cross the runway 4 at a taxiway. When the ground controller coordinated the crossing; I had my plan made and did not realize the crossing was before aircraft Y. I cleared aircraft Y for takeoff. The aircraft rotated and was airborne before the taxiway. The asde-X alerted. I saw aircraft X approaching the runway; but in my mind the aircraft would hold short of the runway.all the memory aids were in use. Maybe additional training on expectation bias would help.
Original NASA ASRS Text
Title: HOU Tower Controller and flight crew reported the Controller cleared them to cross a runway at the same time a departure was beginning its takeoff roll.
Narrative: We were in the last part of a large departure push. I was working the Tower Local Control position. I had 4 aircraft ready to depart. Three were at one runway and one was at an intersecting runway. I was departing a business jet from an intersecting runway. As the taxiing Aircraft X turned north; I lined Aircraft Y up on the runway. With my plan firmly in my head; I would depart Aircraft Y then I would allow Aircraft X to cross the runway 4 at a taxiway. When the ground controller coordinated the crossing; I had my plan made and did not realize the crossing was before Aircraft Y. I cleared Aircraft Y for takeoff. The aircraft rotated and was airborne before the taxiway. The ASDE-X alerted. I saw Aircraft X approaching the runway; but in my mind the aircraft would hold short of the runway.All the memory aids were in use. Maybe additional training on expectation bias would help.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.