Aircraft N4121D Data

N4121D
1957 Helio H-391B, c/n 041
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Latest photos of N4121D
Aircraft N4121D, Helio H-391B, at FD04, photo by MarkPasqualino
MarkPasqualino
@ FD04
Aircraft N4121D, EAA OSH 2018, at KOSH, photo by Florida Metal
Florida Metal
@ KOSH
Aircraft N4121D, SNF LAL 2017, at KLAL, photo by Florida Metal
Florida Metal
@ KLAL
Aircraft N4121D, SNF LAL 2016, at KLAL, photo by Florida Metal
Florida Metal
@ KLAL
Airframe Info
Manufacturer Helio
Model H-391B Search all Helio H-391B
Year built 1957
Construction Number (C/N) 041
Aircraft Type Fixed wing single engine
Number of Seats 4
Number of Engines 1
Engine Type Reciprocating
Engine Manufacturer and Model Lycoming GO-435C&D SER
Aircraft
Registration Number N4121D
Mode S (ICAO24) Code a4de0d
Certification Class Standard
Air Worthiness Test 1957-01-04
Last Action Taken 2026-08-08
Current Status In Question
Owner
Registration Type Individual
Address Weirsdale, FL 321953158
United States
Region Southern