N5121Y - Interplane Skyboy UL Aircraft Registration

SBOY

INTERPLANE SKYBOY UL

Aircraft Description

N5121Y is a Interplane SKYBOY UL, a single-engine two-cycle piston aircraft registered to Duncan John S in Maple, NC. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on January 26, 2008. The registration certificate was issued on October 6, 2022. The registration is set to expire on October 31, 2029. Powered by a Rotax 582UL engine producing 65 horsepower, N5121Y is. The aircraft's Mode S transponder code is A66B6F (hex), used for ADS-B identification and flight tracking. The FAA registry record for N5121Y was last updated on September 9, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Interplane Skyboy was a Czech-manufactured two-seat ultralight aircraft that introduced innovative foldable wing design to the light aviation market. First flown in 1993, it was a high-wing, single-engine monoplane that seated two occupants side-by-side in an enclosed cabin. With a wingspan of 31 feet 2 inches and powered by Rotax two-stroke engines producing up to 64 horsepower, the Skyboy achieved a maximum speed of 87 miles per hour. Manufactured by Interplane Aircraft sro in Zbraslavice, Czech Republic, approximately 100 aircraft were built between 1994 and 2013. AviatorDB tracks 31 Interplane aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is SBOY.

AviatorDB has found no NTSB accident or incident reports involving N5121Y. 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
INTERPLANE
Model
SKYBOY UL
Type Aircraft
Fixed Wing Single Engine
ICAO Type Code
SBOYSkyboy
Weight Class
Up to 12,500 lbs
Airworthiness Date
January 26, 2008
Classification
Experimental 8 Category
Type Registration
Co-Owned
Status
Valid Registration
Cert Issue Date
October 6, 2022

Registered Owner

Name
DUNCAN JOHN S
Address
PO BOX 95
City
MAPLE
State / Zip Code
North Carolina27956-0095
Country
United States

Powerplant & Avionics

Engine Type
2-cycle
Number of Engines
1
Engine Manufacturer
ROTAX
Engine Model
582UL
Horsepower
65 HP
Mode S Code (Oct)
51465557
Mode S Code (Hex)
A66B6F

Additional Details

Registration
N5121Y
Serial Number
50/2002
Number of Engines
1
Number of Seats
2
Expiration Date
October 31, 2029
Last Action Date
September 9, 2023
Last Update Date
January 19, 2026
Unique ID
00355499

Data Source

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

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