N4FW - 1975 Wallamn Sport Plane WSP-1 Aircraft Registration

1975 WALLAMN SPORT PLANE WSP-1

Aircraft Description

N4FW is a 1975 Wallamn Sport Plane WSP-1, a single-engine reciprocating (piston) aircraft registered to Douma Todd D in Hortonville, WI. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on September 22, 2008. The registration certificate was issued on November 7, 2007. The registration is set to expire on November 30, 2028. Powered by a Lycoming O-235-C engine producing 115 horsepower, N4FW is. The aircraft's Mode S transponder code is A4A881 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N4FW was last updated on June 23, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Wallamn Sport Plane is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Wallamn Sport Plane aircraft currently registered in the FAA database, including the WSP-1 model.

AviatorDB has found no NTSB accident or incident reports involving N4FW. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.

Model Year
1975
Manufacturer
WALLAMN SPORT PLANE
Model
WSP-1
Type Aircraft
Fixed Wing Single Engine
Weight Class
Up to 12,500 lbs
Airworthiness Date
September 22, 2008
Classification
Experimental 2 Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
November 7, 2007

Registered Owner

Name
DOUMA TODD D
Address
N2309 MANLEY RD
City
HORTONVILLE
State / Zip Code
Wisconsin54944-8511
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
LYCOMING
Engine Model
O-235-C
Horsepower
115 HP
Mode S Code (Oct)
51124201
Mode S Code (Hex)
A4A881

Additional Details

Registration
N4FW
Serial Number
1
Number of Engines
1
Number of Seats
2
Expiration Date
November 30, 2028
Last Action Date
June 23, 2023
Last Update Date
January 19, 2026
Unique ID
00760874

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-06-15 01:32:20 UTC