# N4247A: 1964 Dehavilland DHC-3, registration cancelled 2015-05-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 15, 2015
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Dehavilland DHC-3](https://openairdocs.org/model/dehavilland-dhc-3) (registry code 2800202)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Data sheets: [TCDS A-815](https://openairdocs.org/tcds/A-815) (OpenAirDocs)
- Serial number: 421
- Year built: 1964
- Type of aircraft: Fixed wing single engine
- Airworthiness: Experimental, research and development, showing compliance
- Airworthiness date: April 16, 1982
- Certificate issued: January 14, 1985
- Last registry action: June 2, 1997
- Mode S code: A50DC9
- Owner when cancelled: [Cox Aircraft Co Of Washington Inc](https://openairdocs.org/faa-owner/COX%20AIRCRAFT%20CO%20OF%20WASHINGTON%20INC)
- Location: [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle)
- Owner type: Corporation
- Owner's area on the map: 47.5351° N, 122.3059° W: Placed by OpenAirDocs at the center of ZIP code 98108, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4247A
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4247A
- Page: https://openairdocs.org/deregistered/N4247A-2015-05-15

From the FAA registry file of October 31, 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 Dehavilland DHC-3: https://openairdocs.org/model/dehavilland-dhc-3.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 SEA85FA034](https://openairdocs.org/ntsb/SEA85FA034), Dec 19, 1984: de Havilland DHC-3 Turbo (N4247A), West Seattle, WA, 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 19841219014769A](https://openairdocs.org/incident/19841219014769A), Dec 19, 1984: Dhav DHC3 (N4247A), West Seattle, WA, Substantial damage. Header tank bladder loose, jammed float to full position, shut off valve leaked. Collection tank out vent plugged.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
