# N166LC: 2015 Coons Robert L RW 1, registration cancelled 2021-10-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 30, 2021
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Coons Robert L RW 1](https://openairdocs.org/model/coons-robert-l-rw-1) (registry code 05634HU)
- Engine: [Solar T62-32](https://openairdocs.org/engine/solar-t62-32) (registry code 58104)
- Serial number: 001
- Year built: 2015
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Experimental, amateur built
- Airworthiness date: December 8, 2015
- Certificate issued: July 28, 2015
- Last registry action: February 28, 2018
- Mode S code: A108F5
- Owner when cancelled: [Coons Robert L](https://openairdocs.org/faa-owner/COONS%20ROBERT%20L)
- Location: [Billings, MT](https://openairdocs.org/faa-place/MT/Billings)
- Owner type: Individual
- Owner's area on the map: 45.5641° N, 108.3336° W: Placed by OpenAirDocs at the center of ZIP code 59101, within about 14 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N166LC
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=166LC
- Page: https://openairdocs.org/deregistered/N166LC-2021-10-30

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Coons Robert L RW 1: https://openairdocs.org/model/coons-robert-l-rw-1.md

## NTSB investigations (1)

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.

- [NTSB WPR18FA260](https://openairdocs.org/ntsb/WPR18FA260), Sep 12, 2018: Robert L Coons RotorWay RW 1 (N166LC), Billings, MT, substantial damage, 1 fatal. Probable cause: The pilot's failure to maintain clearance with a hangar while maneuvering to his hangar. Contributing to the accident was the pilot's limited experience in helicopters.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20180912013479A](https://openairdocs.org/incident/20180912013479A), Sep 12, 2018: Coons Robert L RW 1 (N166LC), Billings, MT, Substantial damage, 1 fatal. On 9/12/18, at 1243 MST, N166LC, an experimental amateur built helicopter built by and registered to the pilot crashed into a row of t-hangars while hover…

## Other aircraft with N166LC

- [Cancelled 1990-03-23](https://openairdocs.org/deregistered/N166LC-1990-03-23): Beech 58, S/N TH990. N-number assigned, not yet registered

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