N475MS - 2000 Heldeberg Designs Blue Heron Marathon Aircraft Registration

FK9

2000 HELDEBERG DESIGNS BLUE HERON MARATHON

Aircraft Description

N475MS is a 2000 Heldeberg Designs BLUE HERON MARATHON, a single-engine two-cycle piston aircraft registered to Sullivan Michael R in Wyoming, NY. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on November 7, 2007. The registration certificate was issued on September 24, 2007. The registration is set to expire on April 30, 2028. Powered by a Rotax 582ULDCDI-99 engine producing 65 horsepower, N475MS is. The aircraft's Mode S transponder code is A5D4D1 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N475MS 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 is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 3 Heldeberg Designs aircraft currently registered in the FAA database, including the BLUE HERON MARATHON model.

AviatorDB has found no NTSB accident or incident reports involving N475MS. 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
2000
Manufacturer
HELDEBERG DESIGNS
Model
BLUE HERON MARATHON
Type Aircraft
Powered Parachute
ICAO Type Code
FK9FK-9 Mk.IV
Weight Class
Up to 12,500 lbs
Airworthiness Date
November 7, 2007
Classification
Experimental 8 Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
September 24, 2007

Registered Owner

Name
SULLIVAN MICHAEL R
Address
5990 ROWLEY RD
City
WYOMING
State / Zip Code
New York14591-9544
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)
51352321
Mode S Code (Hex)
A5D4D1

Additional Details

Registration
N475MS
Serial Number
HD00046M
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
00415069

Data Source

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

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