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B787 captain reported that the flight crew was unable to communicate with ATC due to the controller's incomprehensible readbacks.
| Attributes | |
| ACN | 1691502 |
| Time | |
| Date | 201910 |
| Place | |
| Locale Reference | UHMM.ARTCC |
| State Reference | FO |
| Aircraft 1 | |
| Make Model Name | B787 Dreamliner Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine Flight Crew Instrument |
| Experience | Flight Crew Last 90 Days 160 Flight Crew Total 14441 Flight Crew Type 2814 |
| Events | |
| Anomaly | ATC Issue All Types |
Narrative:
We requested a specific reroute due to volcanic ash. Magadan air traffic controller was unable to communicate the clearance to us in english. We requested the clearance no less than 15 times; but all were incomprehensible. We requested an english speaking ATC; but the request was not understood by the magadan ATC. This experience caused concern for all flight deck crew. We were highly uncomfortable approaching the clearance limit in russian airspace with no further communication in english available to us. We felt that these circumstances were unsafe for the crew and passengers. Shortly before reaching our clearance limit point; we were able to log on to magadan and receive clearance through cpdlc thereby avoiding an emergency.
Original NASA ASRS Text
Title: B787 Captain reported that the flight crew was unable to communicate with ATC due to the Controller's incomprehensible readbacks.
Narrative: We requested a specific reroute due to volcanic ash. Magadan Air Traffic Controller was unable to communicate the clearance to us in English. We requested the clearance no less than 15 times; but all were incomprehensible. We requested an English speaking ATC; but the request was not understood by the Magadan ATC. This experience caused concern for all flight deck crew. We were highly uncomfortable approaching the clearance limit in Russian airspace with no further communication in English available to us. We felt that these circumstances were unsafe for the crew and passengers. Shortly before reaching our clearance limit point; we were able to log on to Magadan and receive clearance through CPDLC thereby avoiding an emergency.
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.