# NTSB ERA17WA104: Robinson R66, Lake Teletskoye, Russia, February 12, 2017

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Foreign investigation
- Date: February 12, 2017, 13:19 local (13:19 UTC)
- Place: Lake Teletskoye, Russia
- Coordinates: 51.680557, 87.666389 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=51.6806&lon=87.6664&mi=10
- Phase of flight: [Unknown](https://openairdocs.org/ntsb-phases/990) (OpenAirDocs' grouping)
- Defining event: [Unknown: Unknown or undetermined](https://openairdocs.org/ntsb-events/000)
- Highest injury: Fatal
- Injuries: 5 fatal
- Status: Led by another country's authority
- NTSB office: Eastern Region Aviation
- Lead agency: Other
- NTSB case key (mKey): 94708
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ERA17WA104
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/94708/pdf
- Page: https://openairdocs.org/ntsb/ERA17WA104

## Sequence of events

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

- [Unknown: Unknown or undetermined](https://openairdocs.org/ntsb-events/000) (defining event); cases with it: [All aircraft, 1,703 cases](https://openairdocs.org/ntsb-events/000/sequence.md)

## Factual narrative

On February 12, 2017, at 1319 coordinated universal time, a Robinson R66 helicopter, Russian registration RA-06375, was substantially damaged when it crashed into Lake Teletskoye, Republic of Altai, Russia. The pilot and four passengers were fatally injured. The flight departed the Cordon Kokshy landing site, Republic of Altai, and was conducted under Russian flight regulations.The investigation is under the jurisdiction of the Interstate Aviation Committee of Russia. Further information can be obtained from: Interstate Aviation Committee 22/2/1 Bolshaya Ordynka Str. Moscow 119017, Russia Tel.: (095) 953-12-44 Fax: (095) 953-35-08 E-mail: mak@mak.ru http://www.mak.ru This report is for informational purposes and only contains information released by the Russian Government.

## Aircraft

- Registration: RA-06375 (not matched to a registry record)
- Reported make and model: ROBINSON R66
- Category: Helicopter
- Serial number: 0174
- Engines: Rolls Royce RR300 270 horsepower turbo shaft
- Damage: Substantial damage
- Fire: Unknown
- Flight: Non-U.S., non-commercial
- Operator: Altay-Avia, LLC
- Registered owner: Altay-Avia, LLC

## Weather



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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