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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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B737-300 takeoff clearance canceled at 30 KTS and then again at 50 KTS. The delay in crew response was due to the controller not using the flight number in the instructions to abort the takeoff.
| Attributes | |
| ACN | 367960 |
| Time | |
| Date | 199705 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : lga |
| State Reference | NY |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | climbout : takeoff other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : instrument pilot : cfi pilot : atp pilot : commercial |
| Experience | flight time last 90 days : 180 flight time total : 14000 flight time type : 6500 |
| ASRS Report | 367960 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 10800 flight time type : 5000 |
| ASRS Report | 368684 |
| Events | |
| Anomaly | non adherence : published procedure non adherence : clearance non adherence : far other anomaly other |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | flight crew : rejected takeoff other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Pilot Deviation Operational Deviation other |
| Situations | |
| ATC Facility | procedure or policy : unspecified |
Narrative:
We were cleared into position and hold on runway 4. Tower said, turn left after departure to 360 degrees, runway 4 cleared for takeoff. At 30 KTS, tower said 'cancel takeoff clearance' but did not say our call sign. At 50 KTS, tower said again, 'cancel takeoff clearance' without saying our call sign -- we aborted.
Original NASA ASRS Text
Title: B737-300 TKOF CLRNC CANCELED AT 30 KTS AND THEN AGAIN AT 50 KTS. THE DELAY IN CREW RESPONSE WAS DUE TO THE CTLR NOT USING THE FLT NUMBER IN THE INSTRUCTIONS TO ABORT THE TKOF.
Narrative: WE WERE CLRED INTO POS AND HOLD ON RWY 4. TWR SAID, TURN L AFTER DEP TO 360 DEGS, RWY 4 CLRED FOR TKOF. AT 30 KTS, TWR SAID 'CANCEL TKOF CLRNC' BUT DID NOT SAY OUR CALL SIGN. AT 50 KTS, TWR SAID AGAIN, 'CANCEL TKOF CLRNC' WITHOUT SAYING OUR CALL SIGN -- WE ABORTED.
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.