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An MD80 flight experiences severe turbulence and a 500 ft altitude gain during a temporary loss of aircraft control near svm, mi.
| Attributes | |
| ACN | 430981 |
| Time | |
| Date | 199903 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | navaid : svm.vortac |
| State Reference | MI |
| Altitude | msl bound lower : 23000 msl bound upper : 23500 |
| Environment | |
| Weather Elements | Turbulence |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 430981 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument pilot : multi engine |
| ASRS Report | 430982 |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude inflight encounter : turbulence non adherence : clearance other anomaly |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | flight crew : returned to original clearance flight crew : regained aircraft control flight crew : exited adverse environment |
| Consequence | other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Weather ATC Human Performance |
| Primary Problem | Weather |
Narrative:
FL230, ATC facility: chicago. Svm 270 degree radial, 80 DME. In severe turbulence, deviated 500 ft above assigned altitude. No one was injured. Flight attendants reported they were airborne but did not hit the ceiling.
Original NASA ASRS Text
Title: AN MD80 FLT EXPERIENCES SEVERE TURB AND A 500 FT ALT GAIN DURING A TEMPORARY LOSS OF ACFT CTL NEAR SVM, MI.
Narrative: FL230, ATC FACILITY: CHICAGO. SVM 270 DEG RADIAL, 80 DME. IN SEVERE TURB, DEVIATED 500 FT ABOVE ASSIGNED ALT. NO ONE WAS INJURED. FLT ATTENDANTS RPTED THEY WERE AIRBORNE BUT DID NOT HIT THE CEILING.
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.