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A B757 crew, during initial takeoff roll at lax, were advised the clearance was, 'position and hold.'
| Attributes | |
| ACN | 532689 |
| Time | |
| Date | 200112 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : lax.airport |
| State Reference | CA |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : position and hold ground : takeoff roll |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| ASRS Report | 532689 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | non adherence : published procedure other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance flight crew : rejected takeoff |
| Consequence | faa : reviewed incident with flight crew other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance ATC Human Performance Airport |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
Just after switching to lax tower while taxiing to runway 25R on taxiway B, tower cleared us to taxi full length and position and hold. Clearance read back by first officer. Approaching taxiway F, tower cleared aircraft for takeoff. First officer read back clearance to take off on runway 25R. First officer set standard power and removed hands from throttles. After approximately 70 KTS, tower stated position and hold. The captain aborted flight prior to rejected takeoff being engaged. Tower said that we were not cleared for takeoff. We cleared the runway 25R and were issued clearance to taxi full length and hold short. The flight was cleared and the takeoff was uneventful. The captain called back to tower when we were above 18000 ft. The controller said that they checked the tapes and it was his mistake. If there is a question, then the conservative call should be made. The controller made the right call to stop the takeoff at the slow speed.
Original NASA ASRS Text
Title: A B757 CREW, DURING INITIAL TKOF ROLL AT LAX, WERE ADVISED THE CLRNC WAS, 'POS AND HOLD.'
Narrative: JUST AFTER SWITCHING TO LAX TWR WHILE TAXIING TO RWY 25R ON TXWY B, TWR CLRED US TO TAXI FULL LENGTH AND POS AND HOLD. CLRNC READ BACK BY FO. APCHING TXWY F, TWR CLRED ACFT FOR TKOF. FO READ BACK CLRNC TO TAKE OFF ON RWY 25R. FO SET STANDARD PWR AND REMOVED HANDS FROM THROTTLES. AFTER APPROX 70 KTS, TWR STATED POS AND HOLD. THE CAPT ABORTED FLT PRIOR TO RTO BEING ENGAGED. TWR SAID THAT WE WERE NOT CLRED FOR TKOF. WE CLRED THE RWY 25R AND WERE ISSUED CLRNC TO TAXI FULL LENGTH AND HOLD SHORT. THE FLT WAS CLRED AND THE TKOF WAS UNEVENTFUL. THE CAPT CALLED BACK TO TWR WHEN WE WERE ABOVE 18000 FT. THE CTLR SAID THAT THEY CHKED THE TAPES AND IT WAS HIS MISTAKE. IF THERE IS A QUESTION, THEN THE CONSERVATIVE CALL SHOULD BE MADE. THE CTLR MADE THE RIGHT CALL TO STOP THE TKOF AT THE SLOW SPD.
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.