# N3966K: 1967 Piper PA-28-140, registration cancelled 2018-03-16

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 16, 2018
- Status when cancelled: Revoked, canceled
- 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: 28-23849
- Year built: 1967
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: January 12, 1977
- Last registry action: January 15, 1977
- Mode S code: A49C47
- Owner when cancelled: [Area Associates Inc](https://openairdocs.org/faa-owner/AREA%20ASSOCIATES%20INC)
- Location: [Westminster, CO](https://openairdocs.org/faa-place/CO/Westminster)
- Owner type: Corporation
- Owner's area on the map: 39.8308° N, 105.0375° W: Placed by OpenAirDocs at the center of ZIP code 80030, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N3966K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3966K
- Page: https://openairdocs.org/deregistered/N3966K-2018-03-16

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 (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 DEN77FTE59](https://openairdocs.org/ntsb/DEN77FTE59), Jun 9, 1977: Piper PA-28 (N3966K), Lafayette, CO, 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 19770609014799A](https://openairdocs.org/incident/19770609014799A), Jun 9, 1977: Piper PA28140 (N3966K), Lafayette, CO, Substantial damage. Aircraft ran off runway into plowed field

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