# N1666C: 1961 Aero Commander 680-F, registration cancelled 2012-08-10

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 10, 2012
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Aero Commander 680-F](https://openairdocs.org/model/aero-commander-680-f) (registry code 0141606)
- Engine: [Lycoming IGSO-540-B1A](https://openairdocs.org/engine/lycoming-igso-540-b1a) (registry code 41535)
- Data sheets: [TCDS 2A4](https://openairdocs.org/tcds/2A4), [TCDS 1E7](https://openairdocs.org/tcds/1E7) (OpenAirDocs)
- Serial number: 680F-1088-66
- Year built: 1961
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: July 31, 1961
- Certificate issued: May 7, 1999
- Last registry action: May 20, 2008
- Mode S code: A10B25
- Owner when cancelled: [Helizon Roger](https://openairdocs.org/faa-owner/HELIZON%20ROGER)
- Location: [Duarte, CA](https://openairdocs.org/faa-place/CA/Duarte)
- Owner type: Individual
- Owner's area on the map: 34.1410° N, 117.9587° W: Placed by OpenAirDocs at the center of ZIP code 91010, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N1666C
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1666C
- Page: https://openairdocs.org/deregistered/N1666C-2012-08-10

From the FAA registry file of November 3, 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 Aero Commander 680-F: https://openairdocs.org/model/aero-commander-680-f.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 NYC77FGT07](https://openairdocs.org/ntsb/NYC77FGT07), Jan 15, 1977: Aero Comdr 680F (N1666C), Neffsville, PA, substantial damage

## 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 19770115002809A](https://openairdocs.org/incident/19770115002809A), Jan 15, 1977: Rkwell 680F (N1666C), Neffsville, PA, Substantial damage. Swerved off runway during takeoff roll,runway braking action reported to be fair.

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