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Pc-12 pilot reported encountering severe turbulence during descent even though all attempts were made to avoid the thunderstorm.
| Attributes | |
| ACN | 1534679 |
| Time | |
| Date | 201804 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | PC-12 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Descent |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Commercial Flight Crew Flight Instructor |
| Events | |
| Anomaly | Deviation - Altitude Excursion From Assigned Altitude Deviation - Speed All Types Inflight Event / Encounter Loss Of Aircraft Control Inflight Event / Encounter Weather / Turbulence |
Narrative:
While 30-40 miles northeast of ZZZ we encountered severe turbulence during our descent for the approach. We were diverting around thunderstorms to proceed inbound for the RNAV approach into ZZZ. While being vectored we encountered the severe turbulence. The aircraft gained approximately 200 ft before the aircraft rolled to a 60-70 degree bank angle with wind shear. The stall shaker activated. Standard recovery measures were used to right the aircraft back to normal attitude. After assessing if there were any injuries; we landed at ZZZ minutes later following an uneventful approach and landing. After landing we contacted operations and maintenance. The aircraft was grounded pending an inspection. All considerations to avoid thunderstorms were taken. Event could not have been foreseen to have been that severe. Besides never flying around storms no suggestions to avoid this occurrence.
Original NASA ASRS Text
Title: PC-12 pilot reported encountering severe turbulence during descent even though all attempts were made to avoid the thunderstorm.
Narrative: While 30-40 miles NE of ZZZ we encountered severe turbulence during our descent for the approach. We were diverting around thunderstorms to proceed inbound for the RNAV approach into ZZZ. While being vectored we encountered the severe turbulence. The aircraft gained approximately 200 ft before the aircraft rolled to a 60-70 degree bank angle with wind shear. The stall shaker activated. Standard recovery measures were used to right the aircraft back to normal attitude. After assessing if there were any injuries; we landed at ZZZ minutes later following an uneventful approach and landing. After landing we contacted operations and maintenance. The aircraft was grounded pending an inspection. All considerations to avoid thunderstorms were taken. Event could not have been foreseen to have been that severe. Besides never flying around storms no suggestions to avoid this occurrence.
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.