# N4911: 1964 Pilatus PC-6/350, registration cancelled 1999-09-14

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 14, 1999
- Exported to: France
- Status when cancelled: Triennial form not returned
- Airframe: [Pilatus PC-6/350](https://openairdocs.org/model/pilatus-pc-6-350) (registry code 7090114)
- Engine: [Lycoming IGO-540-B1A](https://openairdocs.org/engine/lycoming-igo-540-b1a) (registry code 41538)
- Data sheets: [TCDS 7A15](https://openairdocs.org/tcds/7A15), [TCDS 1E11](https://openairdocs.org/tcds/1E11) (OpenAirDocs)
- Serial number: 543
- Year built: 1964
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Multiple
- Airworthiness date: July 17, 1974
- Certificate issued: January 22, 1999
- Last registry action: January 15, 2002
- Mode S code: A6164A
- Owner when cancelled: [Seattle Aviation LLC](https://openairdocs.org/faa-owner/SEATTLE%20AVIATION%20LLC)
- Location: [Sultan, WA](https://openairdocs.org/faa-place/WA/Sultan)
- Owner type: Corporation
- Owner's area on the map: 47.8384° N, 121.7662° W: Placed by OpenAirDocs at the center of ZIP code 98294, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4911
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4911
- Page: https://openairdocs.org/deregistered/N4911-1999-09-14

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 Pilatus PC-6/350: https://openairdocs.org/model/pilatus-pc-6-350.md

## NTSB investigations (3)

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 ANC97LA158](https://openairdocs.org/ntsb/ANC97LA158), Sep 30, 1997: Pilatus PC-6-350 (N4911), Palmer, AK, substantial damage. Probable cause: An underspeed of the propeller system.
- [NTSB ANC71FAG84](https://openairdocs.org/ntsb/ANC71FAG84), May 4, 1971: Pilatus PC-6 (N4911), Iliamna, AK, substantial damage
- [NTSB ANC69A0057](https://openairdocs.org/ntsb/ANC69A0057), May 20, 1969: Pilatus PC-6 (N4911), Dead Horse, AK, 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 19970929039599A](https://openairdocs.org/incident/19970929039599A), Sep 29, 1997: Pilats PC6350 (N4911), Palmer, AK, Substantial damage. Failed become airborne during takeoff on remote strip. Struck trees off end runway. (.4)the pilot stated that while departing an 800-foot off-airport landing…

## Other aircraft with N4911

- [Cancelled 1938-08-15](https://openairdocs.org/deregistered/N4911-1938-08-15): Fairchild KR-31, S/N 145. Owner: [Daniels W T](https://openairdocs.org/faa-owner/DANIELS%20W%20T), [Wilmington, NC](https://openairdocs.org/faa-place/NC/Wilmington)

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