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| Date: | Monday 28 June 2010 |
| Time: | 17:52 LT |
| Type: |  Embraer EMB-145LR |
| Owner/operator: | American Eagle Airlines |
| Registration: | N601DW |
| MSN: | 145046 |
| Total airframe hrs: | 28747 hours |
| Engine model: | Allison AE3007C SER |
| Fatalities: | Fatalities: 0 / Occupants: 45 |
| Aircraft damage: | None |
| Category: | Accident |
| Location: | Pioneer, Louisiana -
 United States of America
|
| Phase: | En route |
| Nature: | DSP |
| Departure airport: | Greensboro/High Point-Piedmont Triad International Airport, NC (GSO/KGSO) |
| Dallas/Fort Worth International Airport, TX (DFW/KDFW) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial flight was cruising at an altitude of 38,000 feet when the flight crew made a public announcement to the passengers (and a separate call to the flight attendant) that they may encounter turbulence, and the fasten seatbelt sign was turned on. The captain said they entered clouds and the flight was smooth for about 10 minutes when they noticed a very small red return (thunderstorm cell)on the radar about 5 miles in front of them. The crew did not have enough time to take evasive action and they penetrated the cell, encountering moderate rain with a strong updraft followed by one instance of a severe downdraft. The autopilot disengaged and the captain assumed control of the airplane. Shortly after, the flight attendant called on the interphone and said that she was assisting an elderly passenger in the lavatory when the upset occurred and they were both seriously injured. The captain immediately declared an emergency and landed without further incident. Weather Surveillance Radar (WSR) imagery identified a discrete cell of strong reflectivity values coincident with the airplane's position at the time of the turbulence event. A review of recorded weather data from two separate air traffic control centers handling the flight showed that moderate to extreme intensity precipitation existed ahead of the airplane for an extended period. However, the controllers did not recall seeing any displayed precipitation in the accident location, although they did recall seeing precipitation in other locations around the area. Review of display settings in use by the controllers showed no reason that the weather would not have been displayed, and there was no indication of a system malfunction. Review of ATC communications between the controllers and the flight crew revealed there were no discussions of the precipitation and thunderstorm activity ahead of the flight as required per Federal Aviation Administration (FAA) Order 7110.65, paragraph 2-6-4, "Weather and Chaff Services."
Probable Cause: The inadvertent encounter with convective weather during cruise flight. Contributing to the accident was the flight crew's failure to detect and avoid the thunderstorm cell earlier in the flight, and the failure of air traffic controllers to provide the convective weather information to the flight crew.
Accident investigation:
 |
|
Sources:
NTSB CEN10LA363
History of this aircraft
Other occurrences involving this aircraft
| 19 May 2005 | N814HK | Trans States Airlines | 0 | Kansas City, MO | |
min |
| 14 August 2008 | N814HK | Trans States Airlines | 0 | Saint Louis-Lambert International Airport, MO (STL/KSTL) | |
sub |
| Tailstrike | ||||||
Location
Revision history:
| Date/time | Contributor | Updates |
|---|
Corrections or additions? ... Edit this accident description
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