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B757 first officer reported sliding off the taxiway while attempting to exit the runway after landing due to snow and ice on the taxiway.
| Attributes | |
| ACN | 1415269 |
| Time | |
| Date | 201612 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | IMC |
| Aircraft 1 | |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Taxi |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Not Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Total 2820 Flight Crew Type 410 |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy Ground Event / Encounter Loss Of Aircraft Control Ground Excursion Taxiway |
Narrative:
Our aircraft slid right after rollout while trying to exit onto the taxiway at the end and the right main landing gear departed the prepared surface. At that point it was difficult to determine our exact position due to darkness; low visibility and accumulated snow surrounding the runway/taxiway edge identification lights. I initially could not determine if our main gear had departed the prepared surface. I asked captain if he could come left; which was followed by a power increase. That is when the taxiway edge identification lights first came into focus and I realized that I would not be able to ensure clearance with the gear and/or engine nacelle. I told him that we needed to stop. That was about the same time that he said 'we're done; call for help.' the events at the end of the runway happened in rapid succession. At no point did I knowingly advocate a course of action that would violate SOP by attempting to move an aircraft after a wheel had departed a prepared surface without having a maintenance check first.
Original NASA ASRS Text
Title: B757 First Officer reported sliding off the taxiway while attempting to exit the runway after landing due to snow and ice on the taxiway.
Narrative: Our aircraft slid right after rollout while trying to exit onto the taxiway at the end and the right main landing gear departed the prepared surface. At that point it was difficult to determine our exact position due to darkness; low visibility and accumulated snow surrounding the runway/taxiway edge identification lights. I initially could not determine if our main gear had departed the prepared surface. I asked Captain if he could come left; which was followed by a power increase. That is when the taxiway edge identification lights first came into focus and I realized that I would not be able to ensure clearance with the gear and/or engine nacelle. I told him that we needed to stop. That was about the same time that he said 'We're done; call for help.' The events at the end of the runway happened in rapid succession. At no point did I knowingly advocate a course of action that would violate SOP by attempting to move an aircraft after a wheel had departed a prepared surface without having a maintenance check first.
Data retrieved from NASA's ASRS site 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.