# NTSB ERA22LA088: Bombardier BD-100-1A10, N743QS, Atlantic Ocean, Turks & Caicos Islands, November 21, 2021

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Class 4 · Limited · Final report
- Date: November 21, 2021, 09:37 local (09:37 UTC)
- Place: Atlantic Ocean, Turks & Caicos Islands · location and time estimated from public ADS-B Source
- Coordinates: 22.228, -71.523 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=22.2280&lon=-71.5230&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute: Clear air turbulence encounter](https://openairdocs.org/ntsb-events/362)
- Highest injury: Serious injuries
- Injuries: 1 serious, 6 uninjured
- Status: Completed
- Report: Approved by Office Director
- Investigation class: Class 4 - Basic report with no Prelim publish
- NTSB office: Eastern Region Aviation
- Parties: FAA/IFO
- NTSB case key (mKey): 104411
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ERA22LA088
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/104411/pdf
- NTSB docket: https://data.ntsb.gov/Docket?ProjectID=104411
- Page: https://openairdocs.org/ntsb/ERA22LA088

## Probable cause

The airplane’s encounter with moderate clear air turbulence which resulted in a serious injury to one unrestrained passenger.

## Findings

NTSB's coded findings; those marked are part of the probable cause.

- [Turbulence: clear air turbulence](https://openairdocs.org/ntsb-findings/03032015): Environmental issues › Conditions/weather/phenomena · Contributed to outcome (probable cause); cases with it: [Bombardier BD-100-1A10, 1 case](https://openairdocs.org/ntsb-findings/03032015/cases.md?model=1390044), [All aircraft, 78 cases](https://openairdocs.org/ntsb-findings/03032015/cases.md)
- [Turbulence: clear air turbulence](https://openairdocs.org/ntsb-findings/03032015): Environmental issues › Conditions/weather/phenomena · Awareness of condition; cases with it: [Bombardier BD-100-1A10, 1 case](https://openairdocs.org/ntsb-findings/03032015/cases.md?model=1390044), [All aircraft, 78 cases](https://openairdocs.org/ntsb-findings/03032015/cases.md)

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Enroute: Clear air turbulence encounter](https://openairdocs.org/ntsb-events/362) (defining event); cases with it: [Bombardier BD-100-1A10, 1 case](https://openairdocs.org/ntsb-events/362/sequence.md?model=1390044), [All aircraft, 24 cases](https://openairdocs.org/ntsb-events/362/sequence.md)

## 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.

## Aircraft

- Registration: [N743QS](https://openairdocs.org/aircraft/N743QS), registered now, S/N 20695, built 2017 (OpenAirDocs)
- Reported make and model: BOMBARDIER INC BD-100-1A10
- Registry model: [Bombardier BD-100-1A10](https://openairdocs.org/model/bombardier-bd-100-1a10) (registry code 1390044) (OpenAirDocs)
- Registry engine: [Honeywell AS907-2-1A](https://openairdocs.org/engine/honeywell-as907-2-1a) (registry code 33401, turbo-fan) (OpenAirDocs)
- Category: Airplane
- Serial number: 20695
- Year built: 2017
- Airframe hours: 4780
- Engines: Honeywell HTF7350 turbo fan; Honeywell HTF7350 turbo fan
- Damage: No damage
- Flight: Personal, Part 91 subpart K
- Operator: NetJets Aviation Inc
- Registered owner: Estate Capital Works LLC
- Airworthiness certificate: Standard, Transport
- Last inspection: Continuous airworthiness, August 17, 2021
- Departed: TJSJ, San Juan, PR
- Destination: JAX, Jacksonville, FL
- Flight plan: IFR
- Equipment: ADS-B, Angle of attack indicator, Auto-pilot, Data recorder, Electronic flight bag or handheld device, Electronic multifunction display, Electronic primary flight display, Onboard weather, Satellite tracking device, Stall warning system

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 51; injuries: none; airline transport; airplane ratings: multi-engine land; instrument ratings: airplane; medical: class 1, without waivers/limitations; last flight review January 17, 2021; seat: left; restraint: 5-point; flight hours: 12,122 total, 2,008 in this make and model
- Co-pilot; age 70; injuries: none; airline transport; airplane ratings: multi-engine land; instrument ratings: airplane; medical: class 1, with waivers/limitations; last flight review November 8, 2020; seat: right; restraint: 5-point; flight hours: 14,894 total, 2,052 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: 90° at 6 knots
- Visibility: 10 statute miles
- Temperature: 82 °F, dew point 73 °F
- Turbulence: Moderate
- Observed at: MBPV, 50 nm away
- METAR: MBPV 211400Z 09006KT 9999 FEW010 28/23 Q1014=

## Docket (1 files)

The files NTSB released with the investigation on January 5, 2022, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=104411. 8.2 MB in all.

- Pilot/operator aircraft accident report, NTSB form 6120.1 (item 1, PDF, 11 pages, 8.2 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=13041563&FileExtension=pdf&FileName=01-01%20NTSB%20form%206120_print_Redacted-Rel.pdf

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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