Monocoupe 90
N520W is a Monocoupe 90, a fixed-wing airplane with one motor with a piston engine, built in 1930. It has 2 seats. It is registered to an individual in Lomita, California. The registration is valid: it was issued on August 18, 2016 and expires on August 31, 2029. It holds a standard airworthiness certificate, dated January 7, 1966.
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Aircraft
- Maker
- Monocoupe
- Model
- 90 · all 90s and related versions
- Built of
- steel tube, wood and fabricA welded steel-tube fuselage and wooden wings, all covered in fabric: the construction of the 1930s and 1940s, which makes wood rot and fabric age the inspection items. A steel-tube fuselage and wooden wings under fabric. This is how the Monocoupe 90 family is built; the FAA does not record construction for each aircraft, and the type certificate data sheet is the authority for this one.
- Serial number
- 559
- 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 · Lambert R266 · 90 hp
- Seats
- 2
- Year built
- 1930
- Cruising speed
- 72 mph
- Transponder code
- A68AE2 (octal 51505342)
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 18, 2016
- Expires
- August 31, 2029
- Last FAA action
- August 25, 2023
- Airworthiness
- StandardFAA airworthiness class code 1 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · January 7, 1966
- FAA region
- Western-PacificFAA region code 4 (the FAA regional office that handles the record). All codes
- FAA record id
- 00722295
Owner as the FAA publishes it
- Name
- Roberts Nancy
- 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
- PO Box 516
Lomita, CA 90717-0516
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 N520W links to the rest of the register
- Monocoupe 90 63 registered
- Monocoupe 93 aircraft on the register
- Built of steel tube, wood and fabric · as the model family is built; the register does not record it per aircraft
- Lambert R266 37 aircraft with this engine series · 90 hp
- Lomita, CA 17 aircraft registered in this town
- California 27,610 aircraft registered
- Failure reports filed on the Monocoupe 90 1 reports since 1995
- Approved modifications for the Monocoupe 90 24 supplemental type certificates
The whole map of how records connect · these connections as data: /graph/aircraft/N520W.json.
Records check free · 2 to understand · 3 clear
The public federal record on N520W, 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 Roberts Nancy, an individual, certificate issued August 18, 2016, expires August 31, 2029. No fractional interest recorded. [1]
The airworthiness certificate on file is dated January 7, 1966, 36 years after the 1930 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 559 for this model in the deregistered file. [2]
No other airframe has carried N520W 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]
1 NTSB record under N520W: Accident on July 30, 1991 at Eagle, CO: fatal, destroyed (1 fatal). Details below. [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.
NTSB records 1
Aircraft on the NTSB record: Warner, David B. GLASAIR-SHA · operated under 091
THE PILOT-IN-COMMAND'S FAILURE TO MAINTAIN AIRSPEED WHILE MANEUVERING IN A TURN DURING INITIAL TAKEOFF CLIMB, RESULTING IN AN IN FLIGHT LOSS OF CONTROL, STALL, AND IN FLIGHT COLLISION WITH TERRAIN. FACTORS WERE: EXCESSIVE BANK ANGLE AND ABRUPT MANEUVER AT A LOW ALTITUDE INSUFFICIENT TO EFFECT A RECOVERY.
Full record in plain English · Docket and reports at the NTSB
- FAA Releasable Aircraft Database, master file, file of October 23, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 23, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 23, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through September 30, 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, October 23, 2026. See this record on the FAA site · This record as data