On August 7, 2007, an Embraer EMB-145LR (registration N810HK) was involved in an aviation accident near Knox, IN. No fatalities were reported. Investigators recorded the probable cause as: The in-flight encounter with turbulence. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
A flight attendant sustained serious injuries while returning to her jumpseat during descent when the aircraft encountered turbulence causing a vertical upset of 2.5 Gs.
What happened
The aircraft was in the descent phase of flight when it encountered turbulence. During this period, a flight attendant was moving from her station back to her assigned jumpseat. The sudden vertical motion associated with the turbulence resulted in a significant physical impact.
Flight data recorder analysis confirmed that the airplane experienced a vertical upset generating 2.5 Gs of force during the incident. This maneuvering load contributed directly to the circumstances leading to the injury.
Findings
The operator's report indicated that the flight attendant was unseated at the time the turbulence struck. The combination of the aircraft's vertical acceleration and the attendant's position led to a serious injury. No other details regarding specific injuries or subsequent medical treatment were provided in the source material.
What happened in the 7 Aug 2007 Embraer EMB-145LR accident near Knox, IN?
A flight attendant sustained serious injuries while returning to her jumpseat during descent when the aircraft encountered turbulence causing a vertical upset of 2.5 Gs.
Were there any fatalities in the 7 Aug 2007 Embraer EMB-145LR accident?
No fatalities were recorded in this accident.
What aircraft was involved and where did it happen?
The accident on 7 Aug 2007 involved an Embraer EMB-145LR, registration N810HK, at Knox, IN.
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