# N3946Z: Piper PA-18S, registration cancelled 1990-09-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 19, 1990
- Status when cancelled: N-number assigned, not yet registered
- Airframe: [Piper PA-18S](https://openairdocs.org/model/piper-pa-18s) (registry code 7101806)
- Data sheets: [TCDS 1A2](https://openairdocs.org/tcds/1A2) (OpenAirDocs)
- Serial number: 187804
- Type of aircraft: Fixed wing single engine
- Mode S code: A494E7
- Owner type: Co-owned
- The mark today: https://openairdocs.org/aircraft/N3946Z
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3946Z
- Page: https://openairdocs.org/deregistered/N3946Z-1990-09-19

From the FAA registry file of November 4, 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-18S: https://openairdocs.org/model/piper-pa-18s.md

## NTSB investigations (2)

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 ANC90LA143](https://openairdocs.org/ntsb/ANC90LA143), Aug 12, 1990: Piper PA-18-150 (N3946Z), Aniak, AK, substantial damage, 2 fatal. Probable cause: PILOT LOST CONTROL OF THE AIRPLANE AS A RESULT OF ENCOUNTERING SEVERE WEATHER EITHER DURING TAKEOFF OR LANDING. CONTRIBUTING TO THE ACCIDENT WAS THE SEVERE WEATHER, ROUGH WATER SURFACE, AND…
- [NTSB ANC74DAG61](https://openairdocs.org/ntsb/ANC74DAG61), Sep 30, 1973: Piper PA-18 (N3946Z), Rain Pass Lg, AK, substantial damage

## FAA accident and incident reports (2)

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 19900811033499A](https://openairdocs.org/incident/19900811033499A), Aug 11, 1990: Piper PA18150 (N3946Z), Aniak, AK, Substantial damage, 2 fatal. Seaplane pilot lost control while attempting to depart in high gusty winds and rough water aircraft heavily loaded.
- [Accident 19730930035739A](https://openairdocs.org/incident/19730930035739A), Sep 30, 1973: Piper PA18S (N3946Z), Rain Pass Lg, AK, Substantial damage. L tire deflated,l wg ctcd sand bar. Veered into soft terrain & inverted. Recovered 11/5/73.

## Other aircraft with N3946Z

- [Cancelled 2010-08-12](https://openairdocs.org/deregistered/N3946Z-2010-08-12): Robinson Helicopter R22 BETA, S/N 2647, built 1996. Exported to Japan. Owner: [Shizuka Saito Inc](https://openairdocs.org/faa-owner/SHIZUKA%20SAITO%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)

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