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| Date: | Thursday 30 September 1999 |
| Time: | 13:15 LT |
| Type: |  Airbus A319-131 |
| Owner/operator: | United Airlines |
| Registration: | N821UA |
| MSN: | 944 |
| Year of manufacture: | 1998 |
| Engine model: | IAE V2522-A5 |
| Fatalities: | Fatalities: 0 / Occupants: 45 |
| Other fatalities: | 0 |
| Aircraft damage: | None |
| Category: | Accident |
| Location: | Sparta, NJ -
 United States of America
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Boston, MA (KBOS) |
| Washington-Dulles International Airport, DC (IAD/KIAD) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The captain reported light chop to occasional light turbulence at flight level 310. About 15 minutes from the destination airport, a flight attendant was thrown against door 2L and became momentarily unconscious. The captain declared a medical emergency, and after landing, the flight attendant was transported to the hospital. She was diagnosed with a herniated C-6 disk, and underwent surgery to repair the disk. Weather reports indicated no forecasted turbulence along the route of flight. At flight level 310, winds were from the west/southwest at 50-70 knots.
Probable Cause: The airplane's encounter with clear air turbulence.
Accident investigation:
 |
|
Sources:
NTSB NYC99LA240
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 08-Mar-2024 08:29 | ASN Update Bot | Added |
| 08-Mar-2024 08:31 | ASN | Updated [Aircraft type, Nature, Narrative, ] |
Corrections or additions? ... Edit this accident description
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