Probable cause
The airplane’s encounter with moderate clear air turbulence which resulted in a serious injury to one unrestrained passenger.
NTSB analysis
According to the flight crew, while in cruise flight at flight level 400, the airplane experienced unexpected light clear air turbulence. The crew turned on the seat belt sign. The flight then encountered moderate turbulence as one of the passengers was returning to their seat from the lavatory. The passenger was seriously injured after falling and breaking some ribs.
Text from the NTSB. Open the NTSB docket for ERA22LA088 for the full record.
Event
- Date
- Nov 21, 2021
- Type
- Accident
- Place
- Atlantic Ocean, TC
- Highest injury
- Serious
- Serious injuries
- 1
- Weather
- Visual (VMC)
- Light
- Day
Bombardier Inc BD-100-1A10
- N-number
- N743QS
- Category
- Airplane
- Year built
- 2017
- Operating rule
- 091K
- Purpose of flight
- Personal
From the NTSB aviation accident database: N-registered aircraft, events since 2008, data through Oct 28, 2026. The file is published monthly, so the latest weeks are incomplete and recent records can change. The official source is the NTSB aviation investigation search. CheckAero is independent and not affiliated with the NTSB.