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Registered aircraft · FAA record as of September 25, 2026
N4120D

Helio H-391B

Valid Vermont

N4120D is a Helio H-391B, a fixed-wing airplane with one motor with a piston engine, built in 1957. It has 4 seats. It is registered to an individual in Underhill, Vermont. The registration is valid: it was issued on October 19, 2022 and expires on October 31, 2029. It holds a multiple airworthiness certificate for standard; restricted; aerial surveying, dated June 7, 1957.

Aircraft

Maker
Helio
Model
H-391B
Serial number
044
Type
Fixed-wing, single engine
Power
Piston (reciprocating), 1 motor · Lycoming GO-435C&D SER · 260 hp
Seats
4
Year built
1957
Cruising speed
117 mph
Transponder code
A4DDEA (octal 51156752)

Registration

Status
Valid registration
Certificate issued
October 19, 2022
Expires
October 31, 2029
Last FAA action
September 9, 2023
Airworthiness
Multiple · Standard; Restricted; Aerial surveying · June 7, 1957
FAA region
New England
FAA record id
00861414

Owner as the FAA publishes it

Name
Clark Kyle B
Type
Individual
Address
102 Irish Settlement Rd
Underhill, VT 05489-9774

Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.

Documents on file 0

No bills of sale, loans or other documents are indexed against this tail number.

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, September 25, 2026. See this record on the FAA site · This record as data