# NTSB CEN18WA390: Robinson R44, Buttonville, Canada, September 25, 2018

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Foreign investigation
- Date: September 25, 2018, 18:00 local (18:00 UTC)
- Place: Buttonville, Canada
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute: VFR encounter with IMC](https://openairdocs.org/ntsb-events/401)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Led by another country's authority
- NTSB office: Central Region
- Lead agency: Other
- NTSB case key (mKey): 98359
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN18WA390
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/98359/pdf
- Page: https://openairdocs.org/ntsb/CEN18WA390

## Sequence of events

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

- [Enroute: VFR encounter with IMC](https://openairdocs.org/ntsb-events/401) (defining event); cases with it: [All aircraft, 392 cases](https://openairdocs.org/ntsb-events/401/sequence.md)

## Factual narrative

On September 25, 2018, about 1800 hours universal coordinated time, a Robinson R44 II helicopter, Canadian registration C-GMCT, impacted terrain while diverting due to deteriorating weather conditions near the Toronto/Buttonville Municipal Airport (CYKZ), Buttonville, Ontario, Canada. The pilot was fatally injured. The flight departed from the North Bay Airport (CYYB), North Bay, Ontario, Canada. The intended destination was CYKZ.The accident investigation is under the jurisdiction and control of the Transportation Safety Board of Canada (TSB). This report is solely for informational purposes and contains only information provided by the government of Canada. Further information pertaining to this accident may be obtained from: Transportation Safety Board of Canada Place du Centre -- 4th Floor 200 Promenade du Portage Gatineau, Quebec Canada K1A 1K8 Telephone: 819-994-3741 Website: http://www.tsb.gc.ca Email: communications@tsb-bst.gc.ca

## Aircraft

- Registration: C-GMCT (not matched to a registry record)
- Reported make and model: ROBINSON R44 (II)
- Category: Helicopter
- Serial number: 10795
- Engines: Lycoming IO-540-AE1A5 245 horsepower reciprocating
- Damage: Substantial damage
- Flight: Non-U.S., non-commercial
- Operator: Essential Helicopters
- Registered owner: Essential Helicopters

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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