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Registered aircraft · FAA record as of September 25, 2026
N4174L

Robinson Helicopter R44 II

Valid Illinois

N4174L is a Robinson Helicopter R44 II, a rotorcraft with a piston engine (a helicopter or multicopter), built in 2008. It has 4 seats. It is registered to Cst & Sons LLC, an LLC in South Barrington, Illinois. The registration is valid: it was issued on December 23, 2016 and expires on December 31, 2029. It holds a standard airworthiness certificate for normal, dated June 14, 2021.

Aircraft

Maker
Robinson Helicopter (United States)
FAA spelling: ROBINSON HELICOPTER COMPANY
Model
R44 II
Serial number
12495
Type
Rotorcraft
Power
Piston (reciprocating), 1 motor · Lycoming IO-540-AE1A5 · 260 hp
Seats
4
Year built
2008
Transponder code
A4F110 (octal 51170420)

Registration

Status
Valid registration
Certificate issued
December 23, 2016
Expires
December 31, 2029
Last FAA action
September 22, 2023
Airworthiness
Standard · Normal · June 14, 2021
FAA region
Great Lakes
FAA record id
01015973

Owner as the FAA publishes it

Name
Cst & Sons LLC
Type
LLC
Address
21 Olympic Dr
South Barrington, IL 60010-1093

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.

Earlier use of this number 1

1993-11-23Cessna 172G · Triennial registration form was mailed and has not been returned by the Post Office

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