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Flight crew of a B737 taxied without clearance due to following 2 other company aircraft from the ramp and both crew members assumed that the other had received taxi clearance.
| Attributes | |
| ACN | 459230 |
| Time | |
| Date | 200001 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : mco.airport |
| State Reference | FL |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| 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 : atp |
| Experience | flight time last 90 days : 245 flight time total : 4200 flight time type : 2556 |
| ASRS Report | 459230 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 70 flight time total : 6000 flight time type : 800 |
| ASRS Report | 459374 |
| Events | |
| Anomaly | incursion : taxiway non adherence : far |
| Independent Detector | other controllera |
| Resolutory Action | none taken : detected after the fact other |
| Consequence | Other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Taxied out of ramp area before talking to ground. We were third of 3 aircraft and we thought we were cleared to runway 17, when in fact we were not acknowledged by ground. We cleared it up immediately after ground asked who the third B737 was on the taxiway. No problems resulted.
Original NASA ASRS Text
Title: FLC OF A B737 TAXIED WITHOUT CLRNC DUE TO FOLLOWING 2 OTHER COMPANY ACFT FROM THE RAMP AND BOTH CREW MEMBERS ASSUMED THAT THE OTHER HAD RECEIVED TAXI CLRNC.
Narrative: TAXIED OUT OF RAMP AREA BEFORE TALKING TO GND. WE WERE THIRD OF 3 ACFT AND WE THOUGHT WE WERE CLRED TO RWY 17, WHEN IN FACT WE WERE NOT ACKNOWLEDGED BY GND. WE CLRED IT UP IMMEDIATELY AFTER GND ASKED WHO THE THIRD B737 WAS ON THE TXWY. NO PROBS RESULTED.
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.