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Local controller receiving OJT described a runway separation error when a foreign aircraft was taxied into position to 'line up and wait' but initiated a take off; both the ATC trainee and instructor missed an incorrect read back by the pilot.
| Attributes | |
| ACN | 996342 |
| Time | |
| Date | 201202 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | Citation I/SP (C501) |
| Flight Phase | Takeoff |
| Route In Use | None |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Fighting Falcon F16 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Landing |
| Route In Use | None |
| Flight Plan | VFR |
| Person 1 | |
| Function | Local Trainee |
| Qualification | Air Traffic Control Developmental |
| Person 2 | |
| Function | Instructor Local |
| Qualification | Air Traffic Control Fully Certified |
| Events | |
| Anomaly | ATC Issue All Types Conflict Ground Conflict Critical Deviation - Procedural Clearance Ground Incursion Runway |
Narrative:
An F-16 was on landing roll on runway 11L and I told a C501 to line up and wait on runway 11L. The C501 read back cleared for take off which I did not catch and began a take off roll. The F-16 was at the end of the runway but still on the runway. While I was looking at something else we were notified by ground control that the C501 was on take off roll. When my trainer tried to cancel the C501's take off clearance; he didn't cancel but started an early rotation with the F-16 still on the runway. I probably didn't catch the wrong read back because I diverted my attention to the F-16 who was a hung ordnance still on the runway; and I was coordinating a runway crossing with ground control which ground control cancelled because of the rolling C501. I need to work on hear back read back and give more attention to foreign pilots. I need to be able to actively listen especially when a situation could develop like the incident described. Maybe developmentals should do read back hear back computer based instructions pertaining to the role in air traffic on a regular basis.
Original NASA ASRS Text
Title: Local Controller receiving OJT described a runway separation error when a foreign aircraft was taxied into position to 'line up and wait' but initiated a take off; both the ATC trainee and instructor missed an incorrect read back by the pilot.
Narrative: An F-16 was on landing roll on Runway 11L and I told a C501 to line up and wait on Runway 11L. The C501 read back cleared for take off which I did not catch and began a take off roll. The F-16 was at the end of the runway but still on the runway. While I was looking at something else we were notified by Ground Control that the C501 was on take off roll. When my Trainer tried to cancel the C501's take off clearance; he didn't cancel but started an early rotation with the F-16 still on the runway. I probably didn't catch the wrong read back because I diverted my attention to the F-16 who was a hung ordnance still on the runway; and I was coordinating a runway crossing with Ground Control which Ground Control cancelled because of the rolling C501. I need to work on hear back read back and give more attention to foreign pilots. I need to be able to actively listen especially when a situation could develop like the incident described. Maybe developmentals should do read back hear back computer based instructions pertaining to the role in air traffic on a regular basis.
Data retrieved from NASA's ASRS site as of July 2013 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.