# N81664: 1961 Sikorsky S-61A, registration cancelled 2017-07-14

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 14, 2017
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Sikorsky S-61A](https://openairdocs.org/model/sikorsky-s-61a) (registry code 814210C)
- Engine: [GE CT58 series](https://openairdocs.org/engine/ge-ct58-series) (registry code 30011)
- Data sheets: [TCDS H2EA](https://openairdocs.org/tcds/H2EA) (OpenAirDocs)
- Serial number: 61063
- Year built: 1961
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Restricted, aerial surveying, forest, carriage of cargo, other
- Airworthiness date: February 3, 1998
- Certificate issued: September 4, 1997
- Last registry action: May 20, 2008
- Mode S code: AB22ED
- Owner when cancelled: [Carson Helicopters Inc](https://openairdocs.org/faa-owner/CARSON%20HELICOPTERS%20INC)
- Location: [Grants Pass, OR](https://openairdocs.org/faa-place/OR/Grants%20Pass)
- Owner type: Corporation
- Owner's area on the map: 42.5356° N, 123.3384° W: Placed by OpenAirDocs at the center of ZIP code 97526, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N81664
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=81664
- Page: https://openairdocs.org/deregistered/N81664-2017-07-14

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 Sikorsky S-61A: https://openairdocs.org/model/sikorsky-s-61a.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 ATL03FA065](https://openairdocs.org/ntsb/ATL03FA065), Mar 23, 2003: Sikorsky S-61A (N81664), Kimble, TN, destroyed, 1 fatal. Probable cause: The interruption of rotor system drive power due to the input free wheeling unit malfunctioning , and the pilot's operation of the helicopter in the critical area of the height-velocity curve.

## 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 20030323003739A](https://openairdocs.org/incident/20030323003739A), Mar 23, 2003: Skrsky S61A (N81664), Kembal, TN, Destroyed, 1 fatal. (-23) On 3/23/03 a Sikorsky S-16A, N81664, registered to and operated by carson helicopters inc., collided with terrain and burst into flames during a logging…

## Other aircraft with N81664

- [Cancelled 1991-12-12](https://openairdocs.org/deregistered/N81664-1991-12-12): Beech B300, S/N FL52. Exported to Taiwan. Owner: [Rangeflyers Inc](https://openairdocs.org/faa-owner/RANGEFLYERS%20INC), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita)
- [Cancelled 1955-10-13](https://openairdocs.org/deregistered/N81664-1955-10-13): Aeronca 7AC, S/N 7AC-283, built 1945. Owner: [Dangremond Gordon H](https://openairdocs.org/faa-owner/DANGREMOND%20GORDON%20H), [Hamilton, MI](https://openairdocs.org/faa-place/MI/Hamilton)

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