N149DK - 2003 Heldeberg Designs LLC Marathon Aircraft Registration

FK9

2003 HELDEBERG DESIGNS LLC MARATHON

Aircraft Description

N149DK is a 2003 Heldeberg Designs LLC MARATHON, a single-engine two-cycle piston aircraft registered to Kuzmeskus Douglas P in Oakham, MA. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on October 21, 2007. The registration certificate was issued on August 28, 2006. The registration is set to expire on April 30, 2028. Powered by a Rotax 582ULDCDI-99 engine producing 65 horsepower, N149DK is. The aircraft's Mode S transponder code is A0C474 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N149DK was last updated on May 5, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Heldeberg Designs LLC is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 11 Heldeberg Designs LLC aircraft currently registered in the FAA database, including the MARATHON model.

AviatorDB has found no NTSB accident or incident reports involving N149DK. 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
2003
Manufacturer
HELDEBERG DESIGNS LLC
Model
MARATHON
Type Aircraft
Powered Parachute
ICAO Type Code
FK9FK-9 Mk.IV
Weight Class
Up to 12,500 lbs
Airworthiness Date
October 21, 2007
Classification
Experimental 8 Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
August 28, 2006

Registered Owner

Name
KUZMESKUS DOUGLAS P
Address
149 BARRE PLAINS RD
City
OAKHAM
State / Zip Code
Massachusetts01068-9675
Country
United States

Powerplant & Avionics

Engine Type
2-cycle
Number of Engines
1
Engine Manufacturer
ROTAX
Engine Model
582ULDCDI-99
Horsepower
65 HP
Mode S Code (Oct)
50142164
Mode S Code (Hex)
A0C474

Additional Details

Registration
N149DK
Serial Number
HD03119M
Number of Engines
1
Number of Seats
2
Expiration Date
April 30, 2028
Last Action Date
May 5, 2023
Last Update Date
January 19, 2026
Unique ID
00281559

Data Source

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

Last updated: 2026-05-15 01:32:20 UTC