# N3850Z: 1961 Piper PA-18-150, registration cancelled 2013-04-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 17, 2013
- 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: 18-7608
- Year built: 1961
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Multiple
- Airworthiness date: May 25, 1961
- Certificate issued: October 30, 1991
- Last registry action: November 23, 1994
- Mode S code: A4704D
- Owners when cancelled: [Monnett Charles W](https://openairdocs.org/faa-owner/MONNETT%20CHARLES%20W), [Rotterman Lisa M](https://openairdocs.org/faa-owner/ROTTERMAN%20LISA%20M)
- Location: [Cordova, AK](https://openairdocs.org/faa-place/AK/Cordova)
- Owner type: Co-owned
- Owner's area on the map: 61.1174° N, 147.6070° W: Placed by OpenAirDocs at the center of ZIP code 99574, within about 32 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N3850Z
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3850Z
- Page: https://openairdocs.org/deregistered/N3850Z-2013-04-17

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 ANC92FA005](https://openairdocs.org/ntsb/ANC92FA005), Oct 16, 1991: Piper PA-18 (N3850Z), Montague Island, AK, substantial damage. Probable cause: THE POWER LOSS DUE TO THE CRANKSHAFT FAILURE. CONTRIBUTING TO THE ACCIDENT WAS IMPROPER MAINTENANCE DURING THE LAST ENGINE OVERHAUL.

## 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 19911015046529A](https://openairdocs.org/incident/19911015046529A), Oct 15, 1991: Piper PA18150 (N3850Z), Montague Island, AK, Substantial damage. Engine seized. Ditched in ocean. Crankshaft failure due oil starvation. When a bearing rotated. Improper sealing used

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