Skip to content

Public Record · As of May 5, 2026

N543W

Monocoupe 90 · 1930 View Type →

Status

Registration Valid

Type

Fixed Wing Single Engine

Engine

WARNER SS40&50

Last Cert Issue

—

01 /  Registration

Filed with the Federal Aviation Administration

Every cell below is a literal field from the FAA Aircraft Registry. Click any value to open the FAA registry record for N543W.

Tail Number

N543W

Serial Number

562

Make

MONOCOUPE

Model

90

Year of Manufacture

1930

Mfr / Model Code

5810102

Type Aircraft

Fixed Wing Single Engine

Type Engine

Reciprocating

Engines

1

Seats

2

Engine Manufacturer

WARNER

Engine Model

SS40&50

Horsepower

90 hp

Weight Class

CLASS 1

Certification

Standard (+1 flag) · code 1N

Registrant

COOLBAUGH ROBERT J · Individual

Address

55 RIVER RD · NEW MARKET, VA 22844-2080

FAA Region

1 · County 171

Status

Registration Valid

Airworthiness Date

—

Cert Issue Date

—

Expiration Date

—

Last FAA Action

—

Mode S Hex (ICAO24)

A6E505

Mode S (Octal)

51562405

Live position via ICAO24 A6E505

ADS-B Exchange → FlightAware → FlightRadar24 →

External services. Live tracks are unaffiliated with TallyAero or the FAA.

02 /  NTSB Records

Events on file with the National Transportation Safety Board

03 /  Airworthiness Directives

Applicable to MONOCOUPE 90

Federal Aviation Administration airworthiness directives matched to make and model. Each entry links to the Federal Register publication.

No matching airworthiness directives are on file for this make and model in the Federal Register.

04 /  Service Difficulty Reports

FAA SDR filings

The FAA does not currently expose a public API for Service Difficulty Reports. We do not back-fill or paraphrase. Search the FAA SDR portal directly →

05 /  Sources & Methodology

Every fact on this page links to its primary US-government source

We render only what the agency publishes. Found a factual error? Report it → We acknowledge within 5 business days and resolve within 14.