Models
Enstrom Helicopter aircraft in the FAA registry
The Enstrom Helicopter Corporation is an American aerospace manufacturer founded in 1959 by Rudolph J. "Rudy" Enstrom. Based at the Menominee–Marinette Twin County Airport in Michigan, the company was acquired by Chongqing Helicopter Investment Corporation in 2013 and ceased operations in January 2022. Surack Enterprises purchased the assets in May 2022, restarting production with the first helicopter completed in January 2023.
Registered Fleet Overview
Data from the FAA registry (Federal Aviation Administration), current as of 2026-10-16, lists 215 aircraft under the manufacturer name "ENSTROM". Of these, 209 have valid registrations. The fleet consists mainly of rotorcraft. Engine types include 211 reciprocating engines and 4 turboshaft engines. Airworthiness classes are primarily standard (186), with 6 restricted and 4 multiple classifications.
Half of the registered aircraft were built in 1982 or earlier, with most production occurring between 1968 and 2016. The states with the highest number of registrations are Oregon (37), Delaware (16), and Michigan (15). The registry also lists 140 aircraft under the name "ENSTROM HELICOPTER CORP".
Models and Type Certificates
There are 9 distinct models in the registry. The most numerous models are the F-28F (62 aircraft, built 1981–2016), the 280FX (58 aircraft, built 1985–2017), the F-28C (46 aircraft, built 1976–1993), and the F-28A (38 aircraft, built 1966–1975). Smaller groups include the 280 (5 aircraft) and F280 (3 aircraft). All listed models accommodate 3 seats.
The Type Certificate Data Sheet (TCDS) H1CE, held by The Enstrom Helicopter Corporation, covers the F-28F, 280FX, F-28C, F-28A, and 280 models. Each model has its own page with specifications and the TCDS, and every aircraft has a registration record by N-number.
The FAA registry also lists this company's aircraft as ENSTROM HELICOPTER CORP.
Figures from the FAA registry file as of Oct 16, 2026. Company background: Wikipedia, Enstrom Helicopter Corporation.