N309ST - 2015 William S Welder Mto Sport Aircraft Registration

DH80

2015 WILLIAM S WELDER MTO SPORT

Aircraft Description

N309ST is a 2015 William S Welder MTO SPORT, a single-engine four-cycle piston aircraft registered to Welder William Smith in Port Aransas, TX. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on August 18, 2015. The registration certificate was issued on August 3, 2015. The registration is set to expire on August 31, 2028. Powered by a Rotax 912ULS SERIES engine producing 100 horsepower, N309ST is. The aircraft's Mode S transponder code is A34263 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N309ST was last updated on June 3, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

William S Welder is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 William S Welder aircraft currently registered in the FAA database, including the MTO SPORT model.

AviatorDB has found no NTSB accident or incident reports involving N309ST. 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
2015
Manufacturer
WILLIAM S WELDER
Model
MTO SPORT
Type Aircraft
Rotorcraft
ICAO Type Code
DH80DH-80 Puss Moth
Weight Class
Up to 12,500 lbs
Airworthiness Date
August 18, 2015
Classification
Experimental 2 Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
August 3, 2015

Registered Owner

Name
WELDER WILLIAM SMITH
Address
639 E AVENUE B
City
PORT ARANSAS
State / Zip Code
Texas78373-5201
Country
United States

Powerplant & Avionics

Engine Type
4-cycle
Number of Engines
1
Engine Manufacturer
ROTAX
Engine Model
912ULS SERIES
Horsepower
100 HP
Mode S Code (Oct)
50641143
Mode S Code (Hex)
A34263

Additional Details

Registration
N309ST
Serial Number
M01267
Number of Engines
1
Number of Seats
2
Expiration Date
August 31, 2028
Last Action Date
June 3, 2023
Last Update Date
January 19, 2026
Unique ID
01187380

Data Source

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

Last updated: 2026-05-01 01:32:20 UTC