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Airline flight crew reported the pushback ground crew disconnected the tow bar without informing the captain to set brakes.
| Attributes | |
| ACN | 1754287 |
| Time | |
| Date | 202008 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | CLT.Airport |
| State Reference | NC |
| Aircraft 1 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Taxi |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Multiengine Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | First Officer Pilot Flying |
| Qualification | Flight Crew Multiengine Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy Ground Event / Encounter Other / Unknown |
Narrative:
We were at gate X. When we called for push; ramp cleared us to push tail south and to leave enough room for aircraft Y to push as well. As we were completing our push ; ramp called us to keep pushing to keep a bit more room for aircraft Y to push. I communicated this to the ground crew and we kept pushing. Ground crew then told us to set brakes and I said ' standby; let me ask ramp if this was deep enough' ground crew said 'can't go any further as gate Y is also pushing'.at this moment; I felt that the ground crew was disconnecting and I jumped on the brakes just as we started moving. The ground crew said 'we are disconnected'. They showed me the pin and walked off. I set the parking brake and waved them off. I was aware of the uncommanded aircraft movement bulletin and had this on my mind. We did have a few interruptions during this push which may have been different for the ground crew. Maybe we could remind the ground crew to wait for the captains 'cleared to disconnect' message. Strict adherence to standard phraseology and awareness will be the key to avoiding these situations. Another suggestion here would be to have ramp give specific push back instructions eg 'push tail south; release abeam gate'. This would have cleared any doubt and would have reduced our flight deck to ground comms and we could have reverted to more standard and 'normal' sequence of events.
Original NASA ASRS Text
Title: Airline flight crew reported the pushback ground crew disconnected the tow bar without informing the Captain to set brakes.
Narrative: We were at Gate X. When we called for push; ramp cleared us to push tail south and to leave enough room for Aircraft Y to push as well. As we were completing our push ; ramp called us to keep pushing to keep a bit more room for Aircraft Y to push. I communicated this to the ground crew and we kept pushing. Ground crew then told us to set brakes and I said ' Standby; let me ask ramp if this was deep enough' Ground crew said 'Can't go any further as Gate Y is also pushing'.At this moment; I felt that the ground crew was disconnecting and I jumped on the brakes just as we started moving. The ground crew said 'we are disconnected'. They showed me the pin and walked off. I set the parking brake and waved them off. I was aware of the uncommanded aircraft movement bulletin and had this on my mind. We did have a few interruptions during this push which may have been different for the ground crew. Maybe we could remind the ground crew to wait for the Captains 'cleared to disconnect' message. Strict adherence to standard phraseology and awareness will be the key to avoiding these situations. Another suggestion here would be to have ramp give specific push back instructions eg 'Push tail South; release abeam Gate'. This would have cleared any doubt and would have reduced our flight deck to ground comms and we could have reverted to more standard and 'normal' sequence of events.
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.