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Air carrier medium large transport hit the top of thunderstorm build up. Passenger in aft lavatory broke a leg.
| Attributes | |
| ACN | 182661 |
| Time | |
| Date | 199107 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : dbn |
| State Reference | GA |
| Altitude | msl bound lower : 34500 msl bound upper : 34500 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : ztl |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | descent other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Experience | flight time last 90 days : 213 flight time total : 4300 flight time type : 427 |
| ASRS Report | 182661 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | inflight encounter : weather |
| Independent Detector | other other : unspecified |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Supplementary | |
| Primary Problem | Weather |
| Air Traffic Incident | other |
Narrative:
We were descending from FL370 to FL330 and deviating to the west to avoid a couple of thunderstorm cells. The ride had been smooth. We were IMC in a cirrus deck and there was no WX on our radar except for the cells we were going around. We were avoiding them by about 25-30 mi. Other aircraft had also deviated west with no reports of turbulence. The visibility was poor, but we suddenly spotted a small cumulus cloud on our nose. We tried to turn to avoid it but were unable. There had been no indication of this WX on our radar scope. The captain had turned on the seat belt sign prior to this. A passenger was in the aft lavatory at this time. We encountered moderate turbulence for about 10 seconds. The passenger apparently suffered a broken leg and was met by paramedics and company agents in atlanta.
Original NASA ASRS Text
Title: ACR MLG HIT THE TOP OF TSTM BUILD UP. PAX IN AFT LAVATORY BROKE A LEG.
Narrative: WE WERE DSNDING FROM FL370 TO FL330 AND DEVIATING TO THE W TO AVOID A COUPLE OF TSTM CELLS. THE RIDE HAD BEEN SMOOTH. WE WERE IMC IN A CIRRUS DECK AND THERE WAS NO WX ON OUR RADAR EXCEPT FOR THE CELLS WE WERE GOING AROUND. WE WERE AVOIDING THEM BY ABOUT 25-30 MI. OTHER ACFT HAD ALSO DEVIATED W WITH NO RPTS OF TURB. THE VISIBILITY WAS POOR, BUT WE SUDDENLY SPOTTED A SMALL CUMULUS CLOUD ON OUR NOSE. WE TRIED TO TURN TO AVOID IT BUT WERE UNABLE. THERE HAD BEEN NO INDICATION OF THIS WX ON OUR RADAR SCOPE. THE CAPT HAD TURNED ON THE SEAT BELT SIGN PRIOR TO THIS. A PAX WAS IN THE AFT LAVATORY AT THIS TIME. WE ENCOUNTERED MODERATE TURB FOR ABOUT 10 SECONDS. THE PAX APPARENTLY SUFFERED A BROKEN LEG AND WAS MET BY PARAMEDICS AND COMPANY AGENTS IN ATLANTA.
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.