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Jnu air carrier departure utilized part of the closed runway end to turn around not realizing the threshold boundary had been crossed.
| Attributes | |
| ACN | 1040991 |
| Time | |
| Date | 201210 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | JNU.Airport |
| State Reference | AK |
| Aircraft 1 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Taxi |
| Flight Plan | IFR |
| Person 1 | |
| Function | Local |
| Qualification | Air Traffic Control Fully Certified |
| Person 2 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Procedural Clearance Ground Excursion Runway |
Narrative:
A B737 called up at foxtrot for runway 26 departure. I cleared him to back taxi and for take off on the short end runway. Airport safety called me on the radio and reported that the B737 had crossed the relocated threshold and was on the closed portion. I advised the B737 that he had crossed the relocated threshold he turned around and crossed back over the relocated threshold and asked to confirm that he was back on the correct side of the relocated threshold and confirmed his take off clearance and then departed. [We need] to better mark where the usable portion of the runway ends and put out a NOTAM that specifically says there is a relocated threshold.
Original NASA ASRS Text
Title: JNU Air Carrier departure utilized part of the closed runway end to turn around not realizing the threshold boundary had been crossed.
Narrative: A B737 called up at Foxtrot for Runway 26 departure. I cleared him to back taxi and for take off on the short end runway. Airport Safety called me on the radio and reported that the B737 had crossed the relocated threshold and was on the closed portion. I advised the B737 that he had crossed the relocated threshold he turned around and crossed back over the relocated threshold and asked to confirm that he was back on the correct side of the relocated threshold and confirmed his take off clearance and then departed. [We need] to better mark where the usable portion of the runway ends and put out a NOTAM that specifically says there is a relocated threshold.
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.