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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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Air carrier medium large transport 100 mi northeast bna, leveling FL280, east of line of thunderstorms, encountered strong updraft and ballooned to 28280 ft. Returned immediately to FL280.
| Attributes | |
| ACN | 350510 |
| Time | |
| Date | 199610 |
| Day | Fri |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | atc facility : bna |
| State Reference | TN |
| Altitude | msl bound lower : 28000 msl bound upper : 28280 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : zid |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 17000 flight time type : 8500 |
| ASRS Report | 350510 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | altitude deviation : overshoot inflight encounter : weather non adherence : clearance non adherence : far |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Leveling at FL280, just to the east of a line of thunderstorms. A pocket of convection ballooned aircraft altitude to 28280 ft indicated. Recovered to FL280 immediately. Light turbulence in the climb with thunderstorms and rws on radar well west of the aircraft.
Original NASA ASRS Text
Title: ACR MLG 100 MI NE BNA, LEVELING FL280, E OF LINE OF TSTMS, ENCOUNTERED STRONG UPDRAFT AND BALLOONED TO 28280 FT. RETURNED IMMEDIATELY TO FL280.
Narrative: LEVELING AT FL280, JUST TO THE E OF A LINE OF TSTMS. A POCKET OF CONVECTION BALLOONED ACFT ALT TO 28280 FT INDICATED. RECOVERED TO FL280 IMMEDIATELY. LIGHT TURB IN THE CLB WITH TSTMS AND RWS ON RADAR WELL W OF THE ACFT.
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.