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Air carrier flight crew approaching zbaa; the crew reported that they had to use emergency authority in order to deviate around a large thunderstorm.
| Attributes | |
| ACN | 1297511 |
| Time | |
| Date | 201509 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZBPE.ARTCC |
| State Reference | FO |
| Aircraft 1 | |
| Make Model Name | Widebody Low Wing 2 Turbojet Eng |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | Relief Pilot |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Track / Heading All Types Inflight Event / Encounter Weather / Turbulence |
Narrative:
While flying at FL280 on A596 approaching KM a cell approx 25nm wide crossed the airway. Tops of cell were well above our altitude. Asked ATC to deviate around cell to the west. Was denied clearance and told to remain on airway. Asked if we could deviate to the east around the weather. Again denied and told to remain on the airway. Declared mayday and deviated off the airway 8nm to the west. Was told by ATC we were entering military airspace. My thoughts were; that is not my problem; that is yours. My problem is avoiding going through thunderstorms.
Original NASA ASRS Text
Title: Air carrier flight crew approaching ZBAA; the crew reported that they had to use emergency authority in order to deviate around a large thunderstorm.
Narrative: While flying at FL280 on A596 approaching KM a cell approx 25nm wide crossed the airway. Tops of cell were well above our altitude. Asked ATC to deviate around cell to the west. Was denied clearance and told to remain on airway. Asked if we could deviate to the east around the weather. Again denied and told to remain on the airway. Declared Mayday and deviated off the airway 8nm to the west. Was told by ATC we were entering military airspace. My thoughts were; that is not my problem; that is yours. My problem is avoiding going through thunderstorms.
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.