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| Date: | Tuesday 19 November 1996 |
| Time: | 18:50 LT |
| Type: |  Boeing 737-522 |
| Owner/operator: | United Airlines |
| Registration: | N916UA |
| MSN: | 25383/2146 |
| Year of manufacture: | 1991 |
| Total airframe hrs: | 13535 hours |
| Engine model: | GE CFM56-3-B1 |
| Fatalities: | Fatalities: 0 / Occupants: 113 |
| Aircraft damage: | None |
| Category: | Accident |
| Location: | Bishop, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | San Francisco, CA (SFO |
| Las Vegas, NV (KLAS) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A known area of clear air turbulence was encountered at FL290 shortly after the captain turned on the fasten seat belt sign and instructed the cabin crew to take their seats. An aft flight attendant was in the process of closing a door before she sat down when the aircraft experienced severe turbulence and dropped sharply in altitude. The flight attendant broke her right foot during the encounter and was treated at a local hospital after landing. Company procedures for the crew to follow when turbulence is anticipated is for the flight attendants to take their seats after the cockpit crew makes the announcement and turns on the fasten seat belt sign. The captain had been monitoring the flight conditions of other aircraft at various altitudes in the area and, when turbulence was reported ahead of the flight, he made the announcement.
Probable Cause: a clear air turbulence encounter.
Accident investigation:
 |
|
Sources:
NTSB LAX97LA051
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Mar-2024 07:35 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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