Single-engine piston

N520W

1930 Monocoupe 90

Registered 1 NTSB/FAA record
Built
1930
Serial
559
Class
Single-engine piston
Engines
Lambert R266
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Lomita, CA
Registration record

N520W on the FAA register

Type
1930 Monocoupe 90
Serial
559
Engines
Lambert R266
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Lomita, CA
Certificate issued
2016-08-18
Airworthiness date
1966-01-07
Registration expires
2029-08-31
Airworthiness class
Standard
Mode S (hex)
A68AE2
Mode S (octal)
51505342
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-08-31
    Registration expires (renewal due).
  • 2016-08-18
    Certificate of registration issued as N520W.
  • 1966-02-27
    Accident at Long Beach Calif, 05; damage: substantial.
  • 1966-01-07
    Airworthiness date on the current FAA record (standard category).
  • 1930
    Manufactured (1930).
Overview

About N520W

N520W is a 1930 Monocoupe 90, serial number 559. It is registered to an individual in Lomita, California. The current certificate of registration was issued on August 18, 2016 and expires on August 31, 2029.

The FAA aircraft reference file describes the type as a single-engine piston, one Lambert R266 engine and 2 seats. Its airworthiness certificate is standard category, dated January 7, 1966.

N520W has 1 accident/incident record on file (most serious damage: substantial); details are below. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1991-07-30 Accident · Eagle, CO Damage: Destroyed Fatal injury NTSB · DEN91DTE01
Reported aircraft: Warner, David B. Glasair-Sha — a different aircraft that carried the N520W registration before this airframe.
Probable cause: 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.
1966-02-27 Accident · Long Beach Calif, 05 Damage: Substantial NTSB · 3 0700
Reported aircraft: Monocoupe 90
Probable cause: ROPERLY INSTALLED

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.