# N3680K: 1967 Piper PA-28-140, registration cancelled 1976-06-14

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 14, 1976
- Status when cancelled: Sale reported, pending cancellation
- Airframe: [Piper PA-28-140](https://openairdocs.org/model/piper-pa-28-140) (registry code 7102802)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13), [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 28-23685
- Year built: 1967
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Last registry action: January 14, 1977
- Mode S code: A42C66
- Location: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)
- Owner type: Corporation
- Owner's area on the map: 35.4676° N, 97.5164° W: Placed by OpenAirDocs: center of Oklahoma City, OK, within about 14 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N3680K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3680K
- Page: https://openairdocs.org/deregistered/N3680K-1976-06-14

From the FAA registry file of November 5, 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 Piper PA-28-140: https://openairdocs.org/model/piper-pa-28-140.md

## NTSB investigations (2)

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 MIA71AM070](https://openairdocs.org/ntsb/MIA71AM070), Feb 7, 1971: Piper PA-28 (N3680K), Aguadilla, PR, destroyed, 3 fatal
- [NTSB MIA69F0006](https://openairdocs.org/ntsb/MIA69F0006), May 14, 1968: Piper PA-28 (N3680K), St.Thomas, VI, substantial damage

## Other aircraft with N3680K

- [Cancelled 1964-05-27](https://openairdocs.org/deregistered/N3680K-1964-05-27): Piper J3C-65, S/N 22371. Exported to Canada. Owner: [Midway Flying Service Inc](https://openairdocs.org/faa-owner/MIDWAY%20FLYING%20SERVICE%20INC), [Mandan, ND](https://openairdocs.org/faa-place/ND/Mandan)

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