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An MD80 flight encounters severe CAT, losing 900 ft before regaining control of aircraft when at FL240, east of gwo, ms, with ZME.
| Attributes | |
| ACN | 611522 |
| Time | |
| Date | 200403 |
| Day | Mon |
| Place | |
| Locale Reference | airport : gwo.airport |
| State Reference | MS |
| Altitude | msl single value : 24000 |
| Environment | |
| Flight Conditions | VMC |
| Weather Elements | Turbulence |
| Aircraft 1 | |
| Controlling Facilities | artcc : zme.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Series (DC-9-80) Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 611522 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude inflight encounter : turbulence non adherence : clearance other anomaly other anomaly other |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | flight crew : regained aircraft control flight crew : returned to assigned altitude other |
| Consequence | Other |
| Supplementary | |
| Problem Areas | Weather |
| Primary Problem | Weather |
Narrative:
Encountered severe clear air turbulence east of greenwood, ms, at FL240. Duration approximately 15-20 seconds. Autoplt kicked off and lost approximately 900 ft before aircraft control recovered. Seatbelt sign was already on at the time. No injuries or damage. No convective WX nearby was observed. Encountered during VMC conditions. Dispatch notified, ATC notified, and logbook entry was made.
Original NASA ASRS Text
Title: AN MD80 FLT ENCOUNTERS SEVERE CAT, LOSING 900 FT BEFORE REGAINING CTL OF ACFT WHEN AT FL240, E OF GWO, MS, WITH ZME.
Narrative: ENCOUNTERED SEVERE CLR AIR TURB E OF GREENWOOD, MS, AT FL240. DURATION APPROX 15-20 SECONDS. AUTOPLT KICKED OFF AND LOST APPROX 900 FT BEFORE ACFT CTL RECOVERED. SEATBELT SIGN WAS ALREADY ON AT THE TIME. NO INJURIES OR DAMAGE. NO CONVECTIVE WX NEARBY WAS OBSERVED. ENCOUNTERED DURING VMC CONDITIONS. DISPATCH NOTIFIED, ATC NOTIFIED, AND LOGBOOK ENTRY WAS MADE.
Data retrieved from NASA's ASRS site as of July 2007 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.