 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
B777 captain reported un-commanded aircraft movement while at the gate prior to departure.
| Attributes | |
| ACN | 1661765 |
| Time | |
| Date | 201907 |
| Aircraft 1 | |
| Make Model Name | B777 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Taxi |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain |
| Qualification | Flight Crew Instrument Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 194.85 Flight Crew Total 15940.07 Flight Crew Type 2563.80 |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy Ground Event / Encounter Loss Of Aircraft Control |
Narrative:
An un-commanded aircraft movement occurred while the parking brakes were released that caused the airplane and the attached tug to move backwards approximately 5 feet.first officer noticed the movement; informed me and I promptly applied and set the parking brakes. I contacted the ground personnel on the head set to see what could have caused the movement. Ground personnel told me; the hand brakes on the tug were set and the aircraft started moving because of the winds.considering the tug was attached and occupied throughout this incident and we were in full communications; I asked why they did not alert us that the aircraft was moving? They had no response. I told them; next time; not to be silent but instead speak up. He agreed!
Original NASA ASRS Text
Title: B777 Captain reported un-commanded aircraft movement while at the gate prior to departure.
Narrative: An un-commanded aircraft movement occurred while the parking brakes were released that caused the airplane and the attached tug to move backwards approximately 5 feet.First Officer noticed the movement; informed me and I promptly applied and set the parking brakes. I contacted the ground personnel on the head set to see what could have caused the movement. Ground personnel told me; the hand brakes on the tug were set and the aircraft started moving because of the winds.Considering the tug was attached and occupied throughout this incident and we were in full communications; I asked why they did not alert us that the aircraft was moving? They had no response. I told them; next time; not to be silent but instead speak up. He agreed!
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.