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An air carrier flight crew flying B737 at sfo reports confusion and disorientation during taxi because of taxiway signs.
| Attributes | |
| ACN | 440390 |
| Time | |
| Date | 199906 |
| Day | Sat |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : sfo.airport |
| State Reference | CA |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tower : sfo.tower |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : taxi |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : multi engine pilot : commercial pilot : flight engineer pilot : instrument pilot : atp |
| Experience | flight time last 90 days : 240 flight time total : 10000 flight time type : 5800 |
| ASRS Report | 440390 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument pilot : multi engine |
| Events | |
| Anomaly | incursion : taxiway non adherence : clearance other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued new clearance flight crew : became reoriented |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Taxiing out from gate on taxiway a to runway 1R, misunderstood signage at junction of taxiway M and taxiway a. Turned left at taxiway M thinking it was taxiway B. No big deal, we just held short of runway 1L and crossed to pick up taxiway left to runway 1R. We were just disoriented with the signage and the ground controller wasn't very specific in his directions.
Original NASA ASRS Text
Title: AN ACR FLC FLYING B737 AT SFO RPTS CONFUSION AND DISORIENTATION DURING TAXI BECAUSE OF TXWY SIGNS.
Narrative: TAXIING OUT FROM GATE ON TXWY A TO RWY 1R, MISUNDERSTOOD SIGNAGE AT JUNCTION OF TXWY M AND TXWY A. TURNED L AT TXWY M THINKING IT WAS TXWY B. NO BIG DEAL, WE JUST HELD SHORT OF RWY 1L AND CROSSED TO PICK UP TXWY L TO RWY 1R. WE WERE JUST DISORIENTED WITH THE SIGNAGE AND THE GND CTLR WASN'T VERY SPECIFIC IN HIS DIRECTIONS.
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.