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| Date: | Sunday 5 June 2005 |
| Time: | 13:00 LT |
| Type: |  Boeing 757-223 |
| Owner/operator: | American Airlines |
| Registration: | N602AN |
| MSN: | 27053/664 |
| Total airframe hrs: | 33715 hours |
| Engine model: | Rolls-Royce RB211-63 |
| Fatalities: | Fatalities: 0 / Occupants: 162 |
| Aircraft damage: | None |
| Category: | Accident |
| Location: | New Chicago, IN -
 United States of America
|
| Phase: | Unknown |
| Nature: | Passenger - Scheduled |
| Departure airport: | Miami International Airport, FL (MIA/KMIA) |
| Chicago-O'Hare International Airport, IL (ORD/KORD) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During cruise descent the airplane encountered convectively induced turbulence (CIT) and two flight attendants were injured. One of the injured flight attendants was located in the aft galley preparing for landing when the airplane encountered the turbulence. The flight attendant stated that she heard the captain say "prepare for landing" and "all of [a] sudden I got lifted off the ground and slammed into the 4R door." This flight attendant suffered a fractured ankle. The other injured flight attendant was located near the aft lavatories preparing for landing when the airplane encountered the turbulence. The flight attendant stated that the airplane "hit some type of severe turbulence without warning" and that she was "thrown to the floor." This flight attendant suffered minor injuries to her shoulder, hip, foot, and lower back. Data from the airplane's Digital Flight Data Recorder (DFDR) was extracted and indicated that the airplane experienced vertical accelerations that were consistent with a CIT event. During the approximately 4 second CIT encounter, the maximum and minimum vertical accelerations were about 1.9g and 0.5g, respectively.
Probable Cause: The inadvertent encounter with convectively induced turbulence (CIT) while the aircraft was descending into the terminal area.
Accident investigation:
 |
|
Sources:
NTSB CHI05LA135
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 25-Mar-2024 09:29 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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