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During takeoff roll an A300 crew detected a B737 approaching, 'encroaching' and exiting their departure runway. B737 exited before the A300 had to take evasive action.
| Attributes | |
| ACN | 630974 |
| Time | |
| Date | 200409 |
| Day | Sun |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : mia.airport |
| State Reference | FL |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | tower : mia.tower tower : las.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : taxi |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tower : mia.tower |
| Operator | common carrier : air carrier |
| Make Model Name | A300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : takeoff ground : takeoff roll |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| ASRS Report | 630974 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| ASRS Report | 630598 |
| Events | |
| Anomaly | conflict : ground critical ground encounters other incursion : runway non adherence : clearance |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | flight crew : became reoriented |
| Supplementary | |
| Problem Areas | Environmental Factor Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
While taxiing for takeoff to runway 8R via txwys Y, N5, M, we inadvertently taxied 10 ft passed the runway boundary marking for runway 8R. The misalignment was recognized immediately and corrected. Factors contributing to this event were initiation of the before takeoff checklist while halfway through the turn from taxiway N5 to taxiway M, low setting sun while taxiing west and construction on taxiway north between N4 and jj (normal taxi route). An uneventful takeoff was accomplished. Supplemental information from acn 630596: takeoff roll, runway 8R, at 100 KTS a B737 was approaching a midfield hold short line. At 120 KTS it appeared that the B737 may not stop at the hold short line. At rotation, 145 KTS, and liftoff, 150 KTS, we passed the B737 and it appeared that the B737 may have passed the line and was turning away from the runway. The takeoff was otherwise normal. We did not have to alter the takeoff roll or the flight path.
Original NASA ASRS Text
Title: DURING TKOF ROLL AN A300 CREW DETECTED A B737 APCHING, 'ENCROACHING' AND EXITING THEIR DEP RWY. B737 EXITED BEFORE THE A300 HAD TO TAKE EVASIVE ACTION.
Narrative: WHILE TAXIING FOR TKOF TO RWY 8R VIA TXWYS Y, N5, M, WE INADVERTENTLY TAXIED 10 FT PASSED THE RWY BOUNDARY MARKING FOR RWY 8R. THE MISALIGNMENT WAS RECOGNIZED IMMEDIATELY AND CORRECTED. FACTORS CONTRIBUTING TO THIS EVENT WERE INITIATION OF THE BEFORE TKOF CHKLIST WHILE HALFWAY THROUGH THE TURN FROM TXWY N5 TO TXWY M, LOW SETTING SUN WHILE TAXIING W AND CONSTRUCTION ON TXWY N BTWN N4 AND JJ (NORMAL TAXI RTE). AN UNEVENTFUL TKOF WAS ACCOMPLISHED. SUPPLEMENTAL INFO FROM ACN 630596: TKOF ROLL, RWY 8R, AT 100 KTS A B737 WAS APCHING A MIDFIELD HOLD SHORT LINE. AT 120 KTS IT APPEARED THAT THE B737 MAY NOT STOP AT THE HOLD SHORT LINE. AT ROTATION, 145 KTS, AND LIFTOFF, 150 KTS, WE PASSED THE B737 AND IT APPEARED THAT THE B737 MAY HAVE PASSED THE LINE AND WAS TURNING AWAY FROM THE RWY. THE TKOF WAS OTHERWISE NORMAL. WE DID NOT HAVE TO ALTER THE TKOF ROLL OR THE FLT PATH.
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.