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An air carrier widebody transport aircraft hits the tops of a thunderstorm and experiences severe turbulence that causes minor injuries.
| Attributes | |
| ACN | 389998 |
| Time | |
| Date | 199711 |
| Day | Thu |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | atc facility : sin |
| State Reference | FO |
| Altitude | msl bound lower : 35000 msl bound upper : 35000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : wsjc |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | cruise other |
| Route In Use | enroute : pacific enroute : other oceanic |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 230 flight time total : 23000 flight time type : 3000 |
| ASRS Report | 389998 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | inflight encounter : weather other anomaly other |
| Independent Detector | other flight crewa other other : unspecified |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Supplementary | |
| Primary Problem | Weather |
| Air Traffic Incident | other |
Narrative:
Just before beginning descent from FL350 for approach to sin, aircraft entered a very small but violent thunderstorm top. Radar was on and monitored, but no returns. Experienced 8-10 seconds of severe turbulence. A few passenger and flight attendants experienced minor injuries. Encounter was entered in logbook and aircraft inspected before further flight.
Original NASA ASRS Text
Title: AN ACR WDB ACFT HITS THE TOPS OF A TSTM AND EXPERIENCES SEVERE TURB THAT CAUSES MINOR INJURIES.
Narrative: JUST BEFORE BEGINNING DSCNT FROM FL350 FOR APCH TO SIN, ACFT ENTERED A VERY SMALL BUT VIOLENT TSTM TOP. RADAR WAS ON AND MONITORED, BUT NO RETURNS. EXPERIENCED 8-10 SECONDS OF SEVERE TURB. A FEW PAX AND FLT ATTENDANTS EXPERIENCED MINOR INJURIES. ENCOUNTER WAS ENTERED IN LOGBOOK AND ACFT INSPECTED BEFORE FURTHER FLT.
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.