# N4666R: 1966 Piper PA-28-140, registration cancelled 2018-04-26

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 26, 2018
- Status when cancelled: Registration pending, 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: 28-21422
- Year built: 1966
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal, utility
- Airworthiness date: February 7, 1966
- Last registry action: February 11, 2015
- Mode S code: A5B31F
- Location: [Missoula, MT](https://openairdocs.org/faa-place/MT/Missoula)
- Owner type: Individual
- Owner's area on the map: 46.9621° N, 114.0922° W: Placed by OpenAirDocs at the center of ZIP code 59808, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4666R
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4666R
- Page: https://openairdocs.org/deregistered/N4666R-2018-04-26

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 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 WPR15LA087](https://openairdocs.org/ntsb/WPR15LA087), Jan 20, 2015: Piper PA 28-140 (N4666R), Helena, MT, substantial damage. Probable cause: Loss of engine power after takeoff for reasons that could not be determined because postaccident examination did not reveal any evidence of an anomaly that would have precluded normal operation.

## 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 20150120000199A](https://openairdocs.org/incident/20150120000199A), Jan 20, 2015: Piper PA-28-140 (N4666R), Helena, MT, Destroyed. The aircraft took off from the Helena regional airport. Upon climb out the aircrafts engine was not developing horsepower to climb. The pilot made a right turn…

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