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An IFR PA-28 pilot entered an undetected thunderstorm cell and temporarily lost control in turbulence. After exiting the cell he regained control and diverted to his alternate airport.
| Attributes | |
| ACN | 971492 |
| Time | |
| Date | 201109 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZAU.ARTCC |
| State Reference | IL |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | PA-28 Cherokee/Archer/Dakota/Pillan/Warrior |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Cruise |
| Route In Use | Direct |
| Flight Plan | IFR |
| Person 1 | |
| Function | Pilot Flying Single Pilot |
| Qualification | Flight Crew Instrument Flight Crew Commercial |
| Experience | Flight Crew Last 90 Days 20 Flight Crew Total 800 Flight Crew Type 150 |
| Events | |
| Anomaly | Deviation - Altitude Excursion From Assigned Altitude Inflight Event / Encounter Loss Of Aircraft Control Inflight Event / Encounter Weather / Turbulence |
Narrative:
Flying in IMC conditions at 5;000 MSL after being redirected to jvl. Plane experienced a large increase in altitude and then a loss of altitude with severe turbulence and loss of directional control. Gyrations included up to 60 degrees of bank. Regained control after exiting the cell and asked for landing at jvl; which chicago center provided. I had been watching the radar display provided on my garmin 496; however; this cell came out of nowhere.
Original NASA ASRS Text
Title: An IFR PA-28 pilot entered an undetected thunderstorm cell and temporarily lost control in turbulence. After exiting the cell he regained control and diverted to his alternate airport.
Narrative: Flying in IMC conditions at 5;000 MSL after being redirected to JVL. Plane experienced a large increase in altitude and then a loss of altitude with severe turbulence and loss of directional control. Gyrations included up to 60 degrees of bank. Regained control after exiting the cell and asked for landing at JVL; which Chicago Center provided. I had been watching the radar display provided on my Garmin 496; however; this cell came out of nowhere.
Data retrieved from NASA's ASRS site as of April 2012 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.