N21TS - Stirling Fred Kitfox Aircraft Registration

STIRLING FRED KITFOX

Aircraft Description

N21TS is a Stirling Fred KITFOX, a single-engine reciprocating (piston) aircraft registered to Stubblefield Matthew K in West Yellowstone, MT. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on July 22, 1988. The registration certificate was issued on July 9, 2020. The registration is set to expire on July 31, 2027. Powered by a Bombardier ROTAX (ALL) engine, N21TS is. The aircraft's Mode S transponder code is A1B8E3 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N21TS was last updated on March 4, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Stirling Fred is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Stirling Fred aircraft currently registered in the FAA database, including the KITFOX model.

AviatorDB has found no NTSB accident or incident reports involving N21TS. 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
STIRLING FRED
Model
KITFOX
Type Aircraft
Fixed Wing Single Engine
Weight Class
Up to 12,500 lbs
Airworthiness Date
July 22, 1988
Classification
Experimental 2 Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
July 9, 2020

Registered Owner

Name
STUBBLEFIELD MATTHEW K
Address
PO BOX 2136
City
WEST YELLOWSTONE
State / Zip Code
Montana59758-2136
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
BOMBARDIER
Engine Model
ROTAX (ALL)
Mode S Code (Oct)
50334343
Mode S Code (Hex)
A1B8E3

Additional Details

Registration
N21TS
Serial Number
178
Number of Engines
1
Number of Seats
2
Expiration Date
July 31, 2027
Last Action Date
March 4, 2023
Last Update Date
January 19, 2026
Unique ID
00944211

Data Source

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

Last updated: 2026-07-01 01:32:20 UTC