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| Date: | Monday 8 February 1999 |
| Time: | 19:41 LT |
| Type: |  McDonnell Douglas MD-83 |
| Owner/operator: | American Airlines |
| Registration: | N433AA |
| MSN: | 49451/1388 |
| Year of manufacture: | 1987 |
| Engine model: | P&W JT8D-919 |
| Fatalities: | Fatalities: 0 / Occupants: 138 |
| Other fatalities: | 0 |
| Aircraft damage: | None |
| Category: | Accident |
| Location: | near Raleigh, NC -
 United States of America
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Chigago, IL (KORD) |
| Raleigh, NC (KRDU) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
According to the pilot, the airplane was descending through 17,000 feet for an approach into Raleigh, North Carolina when severe turbulence was encountered. The flight attendants were securing the passenger cabin and galley for landing at the time of the occurrence. The pilot reported that the fasten seat belt sign was on. According to the pilot, clear air turbulence was not forecasted. Examination, the Digital Flight Data Recorder (DFDR) revealed that the turbulence was encountered at an altitude of approximately 17,462 feet on a magnetic heading of approximately 144 degrees. The DFDR also indicated that during the turbulence, vertical acceleration reached a maximum of 2.05 G's and a minimum of -.49 G's.
Probable Cause:
The flight encountered clear air turbulence while descending through 17,000 feet mean sea level (MSL).
Accident investigation:
 |
|
Sources:
NTSB ATL99LA049
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Sep-2024 16:24 | ASN Update Bot | Added |
| 13-Sep-2024 16:28 | ASN | Updated [Aircraft type, Cn, Location, Phase, Nature, Narrative, ] |
Corrections or additions? ... Edit this accident description
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