N121FW - Wemmering Jeffrey Lynn S-7S Aircraft Registration

WEMMERING JEFFREY LYNN S-7S

Aircraft Description

N121FW is a Wemmering Jeffrey Lynn S-7S, a single-engine reciprocating (piston) aircraft registered to Stillman David A in American Fork, UT. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on August 13, 2009. The registration certificate was issued on February 24, 2022. The registration is set to expire on February 28, 2029. Powered by a Rotax 912ULS SERIES engine producing 100 horsepower, N121FW is. The aircraft's Mode S transponder code is A057FB (hex), used for ADS-B identification and flight tracking. N121FW was last tracked by AviatorDB near West Desert Airpark (UT99) on January 30, 2026. The FAA registry record for N121FW was last updated on July 18, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Wemmering Jeffrey Lynn is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Wemmering Jeffrey Lynn aircraft currently registered in the FAA database, including the S-7S model.

AviatorDB has found no NTSB accident or incident reports involving N121FW. 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
Manufacturer
WEMMERING JEFFREY LYNN
Model
S-7S
Type Aircraft
Fixed Wing Single Engine
Weight Class
Up to 12,500 lbs
Airworthiness Date
August 13, 2009
Classification
Experimental 2 Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
February 24, 2022

Registered Owner

Name
STILLMAN DAVID A
Address
355 W 1450 N
City
AMERICAN FORK
State / Zip Code
Utah84003-2796
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
ROTAX
Engine Model
912ULS SERIES
Horsepower
100 HP
Mode S Code (Oct)
50053773
Mode S Code (Hex)
A057FB

Additional Details

Registration
N121FW
Serial Number
0907484
Number of Engines
1
Number of Seats
2
Expiration Date
February 28, 2029
Last Action Date
July 18, 2023
Last Update Date
July 18, 2023
Unique ID
01007959

Last Known Position

Date
January 30, 2026 (UTC 00:23:42)
Airport
Latitude
40.243583
Longitude
-112.091462

Data Source

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

Last updated: 2026-04-01 01:32:20 UTC