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Reporter claims sea local controller issued a takeoff clearance on same runway that a B747 was landing on with its nosewheel still off the ground.
| Attributes | |
| ACN | 457973 |
| Time | |
| Date | 199912 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : sea.airport |
| State Reference | WA |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Dash 8 Series Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : holding |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tower : sea.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B747 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | landing : roll |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 120 flight time total : 5000 flight time type : 500 |
| ASRS Report | 457973 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | non adherence : published procedure |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | none taken : anomaly accepted |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
Narrative:
Sea tower clears us to position and hold runway 16L sea. Flight crew observes aircraft on final appears lined up for runway 16L. We stopped, B747 landed on runway 16L. Sea tower cleared us for takeoff runway 16L. We declined due to B747 (nosewheel still flying) on runway 16L. Had we moved into position and hold, aircraft separation would have been lost.
Original NASA ASRS Text
Title: RPTR CLAIMS SEA LCL CTLR ISSUED A TKOF CLRNC ON SAME RWY THAT A B747 WAS LNDG ON WITH ITS NOSEWHEEL STILL OFF THE GND.
Narrative: SEA TWR CLRS US TO POS AND HOLD RWY 16L SEA. FLC OBSERVES ACFT ON FINAL APPEARS LINED UP FOR RWY 16L. WE STOPPED, B747 LANDED ON RWY 16L. SEA TWR CLRED US FOR TKOF RWY 16L. WE DECLINED DUE TO B747 (NOSEWHEEL STILL FLYING) ON RWY 16L. HAD WE MOVED INTO POS AND HOLD, ACFT SEPARATION WOULD HAVE BEEN LOST.
Data retrieved from NASA's ASRS site as of July 2007 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.