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Registered aircraft · FAA record as of November 5, 2026Windward Aviation Inc SOPWITH TRIPLANE
N3805Z is a Windward Aviation Inc SOPWITH TRIPLANE, a fixed-wing airplane with one motor with a piston engine. It has 1 seat. It is registered to Windward Aviation INC, a corporation in Seattle, Washington. The registration is valid: it was issued on August 3, 1983 and expires on February 29, 2028. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.
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Flight history: where it flew in the last seven days · follow it on the live map
Aircraft
- Maker
- Windward Aviation Inc
- Model
- SOPWITH TRIPLANE
- Serial number
- CFM001
- Type
- Fixed-wing, single engineFAA type of aircraft code 4 (the FAA's broad category for the airframe). Every aircraft with this code · All codes
- Power
- Piston (reciprocating)FAA type of engine code 1 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes, 1 motor
- Seats
- 1
- Year built
- Not given
- Transponder code
- A45E69 (octal 51057151)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- August 3, 1983
- Expires
- February 29, 2028
- Last FAA action
- April 21, 2023
- Airworthiness
- None on file
- FAA region
- Northwest MountainFAA region code S (the FAA regional office that handles the record). All codes
- FAA record id
- 00380224
Owner as the FAA publishes it
- Name
- Windward Aviation INC
- Type
- CorporationFAA type of owner code 3 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- Address
- C/O Museum of Flight
9404 e Marginal Way South
Seattle, WA 98108-4097
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Earlier use of this number 1
Connections how N3805Z links to the rest of the register
- Windward Aviation Inc 2 aircraft on the register
- Windward Aviation INC 25 aircraft in the fleet
- Seattle, WA 1,618 aircraft registered in this town
- Boeing Fld/King County International · BFI
- Seattle-Tacoma International · SEA
- Kenmore Air Seaplane Base · W55
- Seattle Seaplanes · 0W0
- Washington 10,633 aircraft registered
The whole map of how records connect · these connections as data: /graph/aircraft/N3805Z.json.
Records check free · 2 to understand · 3 clear
The public federal record on N3805Z, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Valid registration to Windward Aviation INC, a corporation, certificate issued August 3, 1983, expires February 29, 2028. No fractional interest recorded. [1]
No airworthiness certificate is on file. Usual for a newly registered aircraft, a project, or an aircraft that has not flown since a change of registration; ask for the certificate. [1]
No earlier tail number is recorded against serial CFM001 for this model in the deregistered file. [2]
N3805Z was previously assigned to 1 other aircraft: Piper PA-18-150 (serial 18-7538, cancelled January 24, 1961). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
No NTSB investigation records located under N3805Z. CLEAR means the query ran and returned nothing, not that nothing ever happened. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
- FAA Releasable Aircraft Database, master file, file of November 5, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of November 5, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of November 5, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through October 28, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, November 5, 2026. See this record on the FAA site · This record as data