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Registered aircraft · FAA record as of November 10, 2026Williams MONOCOUPE 90C
N145WM is a Williams MONOCOUPE 90C, a fixed-wing airplane with one motor with a piston engine, built in 1976. It has 2 seats. It is registered to an individual in Mount Airy, North Carolina. The registration is valid: it was issued on November 4, 2021 and expires on November 30, 2028. It holds an experimental airworthiness certificate for amateur built, dated November 27, 1979.
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Flight history: where it flew in the last seven days · follow it on the live map
Aircraft
- Maker
- Williams
- Model
- MONOCOUPE 90C
- Serial number
- W-1
- 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 · Cont Motor 0-300 SER · 145 hp
- Fuel
- 100LL avgas
- Seats
- 2
- Year built
- 1976
- Cruising speed
- 85 mph
- Transponder code
- A0B743 (octal 50133503)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- November 4, 2021
- Expires
- November 30, 2028
- Last FAA action
- June 23, 2023
- Airworthiness
- ExperimentalFAA airworthiness class code 4 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · Amateur builtFAA certificate purpose code 2 (the kind of airworthiness certificate it flies under and what it is approved for). All codes · November 27, 1979
- FAA region
- EasternFAA region code 1 (the FAA regional office that handles the record). All codes
- FAA record id
- 00131750
Owner as the FAA publishes it
- Name
- Gwyn Kenneth R
- Type
- IndividualFAA type of owner code 1 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- Address
- 157 Broken Branch Trl
Mount Airy, NC 27030-7284
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.
Connections how N145WM links to the rest of the register
- Williams 8 aircraft on the register
- Continental O-300 series 6,625 aircraft with this engine series · 145 hp
- Mount Airy, NC 17 aircraft registered in this town
- Mount Airy/Surry County · MWK
- North Carolina 7,123 aircraft registered
- FAA orders naming the Continental O-300 series 7 airworthiness directives
- Failure reports on the Continental O-300 series 38 reports since 1995
The whole map of how records connect · these connections as data: /graph/aircraft/N145WM.json.
Records check free · 1 to understand · 4 clear
The public federal record on N145WM, 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 Gwyn Kenneth R, an individual, certificate issued November 4, 2021, expires November 30, 2028. No fractional interest recorded. [1]
The airworthiness certificate on file is dated November 27, 1979, 3 years after the 1976 manufacture year. A re-issued certificate commonly follows export and re-import, a rebuild, or a return to the register after cancellation. The cause is documented in the FAA aircraft records file, which the full report obtains. [1]
No earlier tail number is recorded against serial W-1 for this model in the deregistered file. [2]
No other airframe has carried N145WM according to the deregistered file. [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 N145WM. 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 10, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of November 10, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of November 10, 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 10, 2026. See this record on the FAA site · This record as data