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A B737-300 crew misunderstood a taxi clearance and incurred the active runway forcing a departing aircraft to abort.
| Attributes | |
| ACN | 636095 |
| Time | |
| Date | 200411 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : lgb.airport |
| State Reference | CA |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : tpa.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : taxi |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tower : lgb.tower |
| Operator | common carrier : air carrier |
| Make Model Name | Airbus Industrie Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : takeoff roll |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| ASRS Report | 636095 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | incursion : taxiway incursion : runway non adherence : clearance non adherence : far |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : rejected takeoff |
| Supplementary | |
| Problem Areas | ATC Human Performance Airport |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Our taxi instructions were taxi to runway 30 via taxiway C and taxiway left, hold short of runway 25L. I read this back to ATC and to the captain before we taxied. Approaching taxiway left on taxiway C ground told us to cross runway 30 (I thought) at L3. I read that back and ground said 'no' and read back to me something I did not understand during that conversation. We taxied past taxiway left and past the hold short line for runway 30, but well short of the runway. This caused air carrier Y to abort. We then got our taxi instructions correct and taxied to the runway for a normal takeoff. I think ground could have waited until we had made the left turn on taxiway left before he changed our taxi instructions correct and taxied to the runway for a normal takeoff. I think ground could have waited until we had made the left turn on taxiway left before he changed our taxi instructions. That intersection is not marked as a hot spot, but I think it should be.
Original NASA ASRS Text
Title: A B737-300 CREW MISUNDERSTOOD A TAXI CLRNC AND INCURRED THE ACTIVE RWY FORCING A DEPARTING ACFT TO ABORT.
Narrative: OUR TAXI INSTRUCTIONS WERE TAXI TO RWY 30 VIA TXWY C AND TXWY L, HOLD SHORT OF RWY 25L. I READ THIS BACK TO ATC AND TO THE CAPT BEFORE WE TAXIED. APCHING TXWY L ON TXWY C GND TOLD US TO CROSS RWY 30 (I THOUGHT) AT L3. I READ THAT BACK AND GND SAID 'NO' AND READ BACK TO ME SOMETHING I DID NOT UNDERSTAND DURING THAT CONVERSATION. WE TAXIED PAST TXWY L AND PAST THE HOLD SHORT LINE FOR RWY 30, BUT WELL SHORT OF THE RWY. THIS CAUSED ACR Y TO ABORT. WE THEN GOT OUR TAXI INSTRUCTIONS CORRECT AND TAXIED TO THE RWY FOR A NORMAL TKOF. I THINK GND COULD HAVE WAITED UNTIL WE HAD MADE THE L TURN ON TXWY L BEFORE HE CHANGED OUR TAXI INSTRUCTIONS CORRECT AND TAXIED TO THE RWY FOR A NORMAL TKOF. I THINK GND COULD HAVE WAITED UNTIL WE HAD MADE THE L TURN ON TXWY L BEFORE HE CHANGED OUR TAXI INSTRUCTIONS. THAT INTXN IS NOT MARKED AS A HOT SPOT, BUT I THINK IT SHOULD BE.
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.