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The pilot of a pc-12 reported an encounter with severe turbulence with 90 degree variations in bank angle and 300 foot altitude deviations.
| Attributes | |
| ACN | 1344524 |
| Time | |
| Date | 201604 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | PC-12 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Cruise |
| Route In Use | Direct |
| Flight Plan | IFR |
| Person 1 | |
| Function | Single Pilot |
| Qualification | Flight Crew Flight Instructor Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 200 Flight Crew Total 4900 Flight Crew Type 3800 |
| Events | |
| Anomaly | Inflight Event / Encounter Loss Of Aircraft Control Inflight Event / Encounter Weather / Turbulence |
Narrative:
Encountered severe turbulence at FL190-220. 90 degree bank angles noted. ATC specifically mentioned greater than 300 feet deviations in either direction. Control of the aircraft was barely possible; items thrown around the cockpit. A box was up-ended and debris scattered throughout the airplane. No personal injury noted. No obvious damage to the aircraft was noted. Weather conditions worsened after departure with convection noted south of the area. No previous reports of turbulence to ATC more severe than moderate turbulence.
Original NASA ASRS Text
Title: The pilot of a PC-12 reported an encounter with severe turbulence with 90 degree variations in bank angle and 300 foot altitude deviations.
Narrative: Encountered severe turbulence at FL190-220. 90 degree bank angles noted. ATC specifically mentioned greater than 300 feet deviations in either direction. Control of the aircraft was barely possible; items thrown around the cockpit. A box was up-ended and debris scattered throughout the airplane. No personal injury noted. No obvious damage to the aircraft was noted. Weather conditions worsened after departure with convection noted south of the area. No previous reports of turbulence to ATC more severe than moderate turbulence.
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.