# N3939P: 1956 Piper PA-22-150, registration cancelled 2018-07-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 19, 2018
- Status when cancelled: Revoked, canceled
- Airframe: [Piper PA-22-150](https://openairdocs.org/model/piper-pa-22-150) (registry code 7102210)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS 1A6](https://openairdocs.org/tcds/1A6), [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 22-3614
- Year built: 1956
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Certificate issued: December 27, 1977
- Last registry action: January 4, 1978
- Mode S code: A4918F
- Owner when cancelled: [Novotny Joseph J](https://openairdocs.org/faa-owner/NOVOTNY%20JOSEPH%20J)
- Location: [New Castle, DE](https://openairdocs.org/faa-place/DE/New%20Castle)
- Owner type: Individual
- Owner's area on the map: 39.6466° N, 75.6048° W: Placed by OpenAirDocs at the center of ZIP code 19720, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N3939P
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3939P
- Page: https://openairdocs.org/deregistered/N3939P-2018-07-19

From the FAA registry file of October 29, 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-22-150: https://openairdocs.org/model/piper-pa-22-150.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 IAD74FIA02](https://openairdocs.org/ntsb/IAD74FIA02), Aug 11, 1973: Piper PA-22 (N3939P), Brandywine, MD, 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 19730811024609A](https://openairdocs.org/incident/19730811024609A), Aug 11, 1973: Piper PA22150 (N3939P), Brandywine, VA, Substantial damage. Nr 3 cyl showed low compression spark plugs showed showed detonation,fouling. Nose gr entrd hole.

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