# NTSB GAA23WA214: Bell 206B, N717LM, Thetford Mines, Canada, June 23, 2023

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Class 5 · Foreign
- Date: June 23, 2023, 18:45 local (18:45 UTC)
- Place: Thetford Mines, Canada
- Coordinates: 46.052222, -71.2575
- Nearby events: https://openairdocs.org/map.md?lat=46.0522&lon=-71.2575&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Defining event: [Approach: Powerplant sys/comp malf/fail](https://openairdocs.org/ntsb-events/340)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Led by another country's authority
- Investigation class: Class 5 - No publish
- NTSB office: General Aviation Accidents
- Lead agency: Other
- NTSB case key (mKey): 192685
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=GAA23WA214
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/192685/pdf
- Page: https://openairdocs.org/ntsb/GAA23WA214

## Sequence of events

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

- [Approach: Powerplant sys/comp malf/fail](https://openairdocs.org/ntsb-events/340) (defining event); cases with it: [Bell 206B, 3 cases](https://openairdocs.org/ntsb-events/340/sequence.md?model=1181511), [All aircraft, 820 cases](https://openairdocs.org/ntsb-events/340/sequence.md)

## Aircraft

- Registration: [N717LM](https://openairdocs.org/deregistered/N717LM-2026-05-05), registration cancelled 2026-05-05, S/N 4354, built 1995 (OpenAirDocs)
- Reported make and model: BELL 206B
- Registry model: [Bell 206B](https://openairdocs.org/model/bell-206b) (registry code 1181511) (OpenAirDocs)
- Registry engine: [Allison 250-C20B](https://openairdocs.org/engine/allison-250-c20b) (registry code 03081, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Serial number: 4354
- Year built: 1995
- Damage: Substantial damage
- Fire: Unknown
- Flight: Personal, Non-U.S., non-commercial

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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