# N4238Z: 1966 Piper PA-18-150, registration cancelled 2021-05-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 8, 2021
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Piper PA-18-150](https://openairdocs.org/model/piper-pa-18-150) (registry code 7101828)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS 1A2](https://openairdocs.org/tcds/1A2), [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 188465
- Year built: 1966
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: October 5, 1966
- Certificate issued: June 27, 2001
- Last registry action: December 23, 2017
- Mode S code: A50A4C
- Owner when cancelled: [Gram Timothy T](https://openairdocs.org/faa-owner/GRAM%20TIMOTHY%20T)
- Location: [Bozeman, MT](https://openairdocs.org/faa-place/MT/Bozeman)
- Owner type: Individual
- Owner's area on the map: 45.6395° N, 111.1712° W: Placed by OpenAirDocs at the center of ZIP code 59718, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4238Z
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4238Z
- Page: https://openairdocs.org/deregistered/N4238Z-2021-05-08

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-18-150: https://openairdocs.org/model/piper-pa-18-150.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 DEN86LA072](https://openairdocs.org/ntsb/DEN86LA072), Feb 1, 1986: Piper PA-18-150 (N4238Z), Afton, WY, 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 19860201001959A](https://openairdocs.org/incident/19860201001959A), Feb 1, 1986: Piper PA18150 (N4238Z), Afton, WY, Substantial damage. Engine failed to respond after descending to observe wildlife. Failed to use carb heat. Conditions for carb icing.

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