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Type Record · As of May 3, 2026

ENSTROM F-28C

Rotorcraft · LYCOMING I0360 SER

Registered

46

Year Range

1976–1993

NTSB Events

30

Airworthiness Directives

16

Aircraft Resources

Engine · Lycoming Engines → Search FAA TCDS →

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered ENSTROM F-28C aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

  • OR 23.9% 11
  • AK 6.5% 3
  • NM 6.5% 3
  • MI 6.5% 3
  • TX 6.5% 3
  • FL 4.3% 2
  • PA 4.3% 2
  • NV 4.3% 2
  • DE 4.3% 2
  • OH 4.3% 2

+10 more states

By Decade of Manufacture

  • 1970s 41.3% 19
  • 1980s 17.4% 8
  • 1990s 2.2% 1
  • Unknown 39.1% 18

02 /  NTSB Records

Events involving ENSTROM F-28C aircraft

30 event(s) on file. Showing the most recent 25 · 5 more available on NTSB CAROL.

03 /  Airworthiness Directives

FAA directives applicable to ENSTROM F-28C

16 directive(s) on file. Showing the most recent 16.

  • Jun 12, 2023

    Airworthiness Directives; Various Airplanes, Helicopters, and Engines

    The FAA is adopting a new airworthiness directive (AD) for turbocharged, reciprocating engine-powered airplanes and helicopters and turbocharged, reciprocating engines with a certain v-band coupling installed. This AD was prompted by multiple failures of spot-welded, multi-segment v-band couplings at the tailpipe to t…

    Atlas AD → Federal Register ↗

  • Jan 17, 2018

    Airworthiness Directives; The Enstrom Helicopter Corporation Helicopters

    We are superseding Airworthiness Directive (AD) 2015-08-51 for the Enstrom Helicopter Corporation (Enstrom) Model F-28A, 280, F-28C, F-28C-2, F-28C-2R, 280C, F-28F, F-28F-R, 280F, 280FX, and 480 helicopters. AD 2015-08-51 required an inspection of the main rotor spindle (spindle) and reporting the inspection results t…

    Atlas AD → Federal Register ↗

  • Dec 20, 2017

    Airworthiness Directives; The Enstrom Helicopter Corporation Helicopters

    We are adopting a new airworthiness directive (AD) for the Enstrom Helicopter Corporation (Enstrom) Model F-28, F-28A, F-28C, F- 28C-2, F-28C-2R, F-28F, F-28F-R, TH-28, 280, 280C, 280F, 280FX, 480, and 480B helicopters. This AD requires inspecting certain rod end bearing assemblies. This AD is prompted by an accident.…

    Atlas AD → Federal Register ↗

  • Mar 2, 2017

    Airworthiness Directives; The Enstrom Helicopter Corporation

    We propose to supersede airworthiness directive (AD) 2015-08- 51 for Enstrom Helicopter Corporation (Enstrom) Model F-28A, 280, F- 28C, F-28C-2, F-28C-2R, 280C, F-28F, F-28F-R, 280F, 280FX, and 480 helicopters. AD 2015-08-51 requires an inspection of the main rotor spindle (spindle) and reporting the inspection result…

    Atlas AD → Federal Register ↗

  • May 18, 2015

    Airworthiness Directives; The Enstrom Helicopter Corporation

    We are publishing a new airworthiness directive (AD) for Enstrom Helicopter Corporation (Enstrom) Model F-28A, 280, F-28C, F- 28C-2, F-28C-2R, 280C, F-28F, F-28F-R, 280F, 280FX, and 480 helicopters. This AD was sent previously to all known U.S. owners and operators of these helicopters and supersedes Emergency AD (EAD…

    Atlas AD → Federal Register ↗

  • Jun 18, 2012

    Airworthiness Directives; Enstrom Helicopter Corporation Helicopters

    We are superseding an existing airworthiness directive (AD) for Enstrom Helicopter Corporation (Enstrom) Model F-28C, F-28C-2, F- 28F, 280C, 280F, 280FX, TH-28, 480, and 480B helicopters to add another trim relay to the applicability and to revise the modification instructions. This AD is prompted by the discovery tha…

    Atlas AD → Federal Register ↗

  • Jan 6, 2012

    Airworthiness Directives; Enstrom Helicopter Corporation Helicopters

    We are adopting a new airworthiness directive (AD) for Enstrom Helicopter Corporation (Enstrom) Model F-28C, F-28C-2, F-28F, 280C, 280F, 280FX TH-28, 480, and 480B helicopters with certain trim relays to require modifying and testing the lateral and longitudinal cyclic trim actuator assemblies. This AD was prompted by…

    Atlas AD → Federal Register ↗

  • Aug 28, 2007

    Airworthiness Directives; Enstrom Helicopter Corporation Model F-28A, F-28C, F-28F, TH-28, 280, 280C, 280F, 280FX, 480, and 480B Helicopters

    This amendment adopts a new airworthiness directive (AD) for Enstrom Helicopter Corporation (Enstrom) Model F-28A, F-28C, F-28F, TH- 28, 280, 280C, 280F, 280FX, 480, and 480B helicopters that requires determining the installation dates for each main rotor push-pull control rod (push-pull rod), inspecting the push-pull…

    Atlas AD → Federal Register ↗

  • Jul 31, 2007

    Airworthiness Directives; Enstrom Helicopter Corporation Model F-28, F-28A, F-28C, F-28C-2, F-28C-2R, F-28F, F-28F-R, 280, 280C, 280F, 280FX, TH-28, 480, and 480B Helicopters

    This amendment adopts a new airworthiness directive (AD) for Enstrom Helicopter Corporation (Enstrom) Model F-28, F-28A, F-28C, F- 28C-2, F-28C-2R, F-28F, F-28F-R, 280, 280C, 280F, 280FX, TH-28, 480, and 480B helicopters. This action requires a visual check to determine if a certain serial-numbered main rotor blade re…

    Atlas AD → Federal Register ↗

  • Jan 8, 2007

    Airworthiness Directives; Enstrom Helicopter Corporation Model F-28A, F-28C, F-28F, TH-28, 280, 280C, 280F, 280FX, 480, and 480B Helicopters

    This document proposes adopting a new airworthiness directive (AD) for Enstrom Helicopter Corporation (Enstrom) Model F-28A, F-28C, F-28F, TH-28, 280, 280C, 280F, 280FX, 480, and 480B helicopters. The AD would require determining the installation dates for each main rotor push-pull control rod (push-pull rod), inspect…

    Atlas AD → Federal Register ↗

  • Apr 17, 2002

    Airworthiness Directives; Enstrom Helicopter Corporation Model F-28, F-28A, F-28C, F-28F, 280, 280C, 280F, and 280FX Helicopters

    This amendment supersedes an existing airworthiness directive (AD) for Enstrom Helicopter Corporation (EHC) Model F-28, F-28A, F-28C, F-28F, 280, 280C, 280F, and 280FX helicopters. That AD currently requires determining the radius of the shaft fillet, performing certain visual and dye-penetrant inspections before furt…

    Atlas AD → Federal Register ↗

  • Oct 29, 2001

    Airworthiness Directives; Enstrom Helicopter Corporation Model F-28, F-28A, F-28C, F-28F, 280, 280C, 280F and 280FX Helicopters

    This amendment supersedes an existing airworthiness directive (AD) for Enstrom Helicopter Corporation (EHC) Model F-28, F-28A, and 280 helicopters. That AD currently requires inspecting the main rotor shaft (shaft) for a crack or other evidence of damage until appropriately modifying or replacing the shaft with an air…

    Atlas AD → Federal Register ↗

  • Sep 22, 1997

    Airworthiness Directives; Enstrom Helicopter Corporation Model F- 28A, F-28C, 280 and 280C Helicopters

    This amendment adopts a new airworthiness directive (AD) that is applicable to Enstrom Helicopter Corporation (Enstrom) Model F-28A, 280 and certain serial-numbered F-28C and 280C helicopters. This action requires an inspection of the voltage control system and an owner/ operator (pilot) cockpit check of the amperage…

    Atlas AD → Federal Register ↗

  • Mar 19, 1996

    Airworthiness Directives; The Enstrom Helicopter Corporation Model F-28, F-28A, F-28C, F-28C-2, F-28F, 280, 280C, 280F, and 280FX Helicopters

    This amendment supersedes an existing airworthiness directive (AD), applicable to The Enstrom Helicopter Corporation (Enstrom) Model F-28, F-28A, F-28C, F-28C-2, F-28F, 280, 280C, 280F, and 280FX helicopters, that currently requires initial and repetitive inspections of a certain main rotor transmission clutch assembl…

    Atlas AD → Federal Register ↗

  • Aug 11, 1994

    Airworthiness Directives; The Enstrom Helicopter Corporation Model F-28C, F-28C-2, F-28F, 280C, 280F, and 280FX Series Helicopters

    This document publishes in the Federal Register an amendment adopting Airworthiness Directive (AD) 93-24-13 that was sent previously to all known U.S. owners and operators of The Enstrom Helicopter Corporation Model F-28C, F-28C-2, F-28F, 280C, 280F, and 280FX series helicopters by individual letters. This AD requires…

    Atlas AD → Federal Register ↗

  • Jul 6, 1994

    Airworthiness Directives; The Enstrom Helicopter Corporation Model F-28A, F-28C, F-28C-2, 280, and 280C Series Helicopters

    This document proposes the supersedure of an existing airworthiness directive (AD), applicable to The Endstrom Helicopter Corporation Model F-28A, F-28C, 280, and 280C series helicopters, that currently requires an initial and repetitive visual inspections of the upper swashplate bearings for corrosion, and replacemen…

    Atlas AD → Federal Register ↗

04 /  Type Certificate Data Sheets

FAA TCDS for ENSTROM F-28C

The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.

  • H1CE Historical Rev 35 · 12/15/2015

    The Enstrom Helicopter Corporation

    Models: F-28C, F-28F, TH-28, F-28A + 10 more

    Atlas TCDS → DRS ↗

06 /  Supplemental Type Certificates

Modifications approved for ENSTROM F-28C

84 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.

  • 02/06/2025

    STC SR03173CH

    Installation of Isolair Innovator 11 Model 3900-280 Spray System

    Isolair Inc.

    Atlas STC → DRS ↗

  • 12/22/2023

    STC SR00063DE

    Installation of Inframetrics IRTV-445G infrared imaging system.

    Dart Aerospace Company

    Atlas STC → DRS ↗

  • 04/21/2023

    STC SH492NW

    Installation of cargo racks Model 100 (rectangular) or Model 101(tapered) on each side

    The ENSTROM Helicopter Corporation

    Atlas STC → DRS ↗

  • 04/14/2023

    STC SH3319NM

    Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,

    Precise Flight Inc

    Atlas STC → DRS ↗

  • 04/07/2023

    STC SH492NW

    Installation of cargo racks Model 100 (rectangular) or Model 101(tapered) on each side

    Mark Miller

    Atlas STC → DRS ↗

  • 04/04/2023

    STC SA11137SC

    Installation of Plane-Power ALT-FLX alternator

    Hartzell Engine Technologies, LLC

    Atlas STC → DRS ↗

  • 04/26/2021

    STC SH1461CE

    Installation of a Nite Sign Model H47B-1 Electronic Aerial Billboard.

    Sky Sign Inc

    Atlas STC → DRS ↗

  • 12/17/2020

    STC SR02704SE

    Installation and maintenance of the Sunspot 36 and 46 series lights

    AeroLED's Holdings LLC

    Atlas STC → DRS ↗

  • 12/17/2020

    STC SR02704SE

    Installation and maintenance of the Sunspot 36 and 46 series lights

    AeroLEDS LLC

    Atlas STC → DRS ↗

  • 06/04/2020

    STC SA02268CH (PAGE 5)

    Installation of Airwolf Filter Corp. Air Oil Separator

    Airwolf Filter Corporation

    Atlas STC → DRS ↗

  • 05/19/2020

    STC SH3319NM (1 OF 2)

    Installation of Precise Flight Pulselite Control Unit in the\nLanding /Taxi Recognition Visual Control Light system,

    Precise Flight Inc

    Atlas STC → DRS ↗

  • 02/17/2020

    STC SR02124SE

    Installation functionality. of Data Garmin Required: transponders: (1) Garmin GTX Master 345/345R Drawing with List ADS-B (MDL), Out and In 005-00734-A4, functionality;

    Garmin International Inc

    Atlas STC → DRS ↗

  • 05/29/2019

    STC SR00359BO

    Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.

    Whelen Aerospace Technologies

    Atlas STC → DRS ↗

  • 12/20/2017

    STC SR00568NY

    Installation of remote mounted oil filter, model AFC-500 or AFC-600, and kit AFC-K014.

    Airwolf Filter Corporation

    Atlas STC → DRS ↗

  • 12/20/2017

    STC SA02268CH (PAGE 5)

    Installation of Airwolf Filter Corp. Air Oil Separator

    Airwolf Filter Corporation

    Atlas STC → DRS ↗

  • 05/23/2017

    STC SR02487AK

    Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System

    ADS-B Technologies, LLC

    Atlas STC → DRS ↗

  • 02/21/2017

    STC SH492NW

    Installation of cargo racks Model 100 (rectangular) or Model 101(tapered) on each side

    Mark Miller

    Atlas STC → DRS ↗

  • 12/29/2016

    STC SH3319NM

    Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,

    Precise Flight Inc

    Atlas STC → DRS ↗

  • 11/28/2016

    STC SR00359BO

    Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.

    Whelen Engineering Co Inc

    Atlas STC → DRS ↗

  • 11/11/2016

    STC SR02124SE

    Installation functionality. of Data Garmin Required: transponders: (1) Garmin GTX Master 345/345R Drawing with List ADS-B (MDL), Out and In 005-00734-A4, functionality;

    Garmin International Inc

    Atlas STC → DRS ↗

  • 03/04/2016

    STC SR02470AK

    Installation of the L-3 Communications NGT -1000/2000/2500 ADS-B System

    ADS-B Technologies, LLC

    Atlas STC → DRS ↗

  • 03/04/2016

    STC SR02471AK

    Installation of the L-3 Communications NGT -9000/9000R ADS-B System

    ADS-B Technologies, LLC

    Atlas STC → DRS ↗

  • 02/16/2016

    STC SR02470AK

    Installation of the L-3 Communications NGT -1000/2000/2500 ADS-B System

    ADS-B Technologies LLC

    Atlas STC → DRS ↗

  • 02/16/2016

    STC SR02471AK

    Installation of the L-3 Communications NGT -9000/9000R ADS-B System

    ADS-B Technologies LLC

    Atlas STC → DRS ↗

  • 06/08/2015

    STC SR03465CH

    Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-ECD-084-280, or AA-ECD-084-480

    Airwolf Aerospace LLC

    Atlas STC → DRS ↗

  • 04/03/2015

    STC SR03520NY

    Installation of Rotor Head Cover

    Spitfire Aerospace, LLC

    Atlas STC → DRS ↗

  • 01/14/2015

    STC SR02394AK

    Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system

    Seaplanes North LLC

    Atlas STC → DRS ↗

  • 11/24/2014

    STC SH4061NM

    Installation of Pneumatic Door Actuators

    Air Comm Corporation

    Atlas STC → DRS ↗

  • 07/17/2014

    STC SA11137SC

    Installation of Plane-Power ALT-FLX alternator

    Hartzell Engine Technologies, LLC

    Atlas STC → DRS ↗

  • 07/08/2014

    STC SR03353CH

    Installation of Aspen Avionics Evolution Primary and Multi-Functional Flight Displays

    AspenSTC Inc

    Atlas STC → DRS ↗

+ 54 more STCs on file

07 /  PMA replacement parts

FAA-approved replacement parts for ENSTROM F-28C

3 parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.

  • A10019-D#https://drs.faa.gov/browse/excelExternalWindow/181DC2E42593B7228625818B00616F1E.0001##

    Pump-Motor Assembly

    Weldon Pump replaces Weldon Pump A10019-D, The Enstrom Helicopter Corporation A10019-D

    PMA holder →

  • 600700-0000#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID388381186520220308142525.0001##

    Turbocharger Assy

    Hartzell Engine Technologies LLC replaces Rajay Model 301E10-2, P/N RJ0328 Rajay Model 325E10-2, P/N RJ0332 Rajay Model 3BT5EE10J2, P/N 103574-00Rotomaster (HET) Model 3BT5EE10J2, P/N 103574-00

    PMA holder →

  • MDL. NO. EN28400#https://drs.faa.gov/browse/excelExternalWindow/F512C00F2D991F75852570490054DA3D.0001##

    Preoiler System

    Oilamatic Inc replaces Modification Part

    PMA holder →

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for ENSTROM F-28C

05 /  Aircraft of this type

All 46 registered N-numbers

Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.

46 of 46
N-number St Year NTSB FAA
N116TB FL — · Look up ↗
N128SA SC — · Look up ↗
N191J OR 1977 · Look up ↗
N212AK AK 1978 · Look up ↗
N255JS NM — · Look up ↗
N35ZE PA 1981 · Look up ↗
N4210 OR — ● Look up ↗
N51665 MI — · Look up ↗
N51693 NV 1977 · Look up ↗
N51699 OR 1977 ● Look up ↗
N51757 AK 1978 · Look up ↗
N51758 DE 1978 · Look up ↗
N51768 OH 1978 · Look up ↗
N51769 AZ — ● Look up ↗
N51770 OR — ● Look up ↗
N51774 TX — ● Look up ↗
N51778 AR — ● Look up ↗
N51788 NM 1978 · Look up ↗
N51789 DE 1978 ● Look up ↗
N539H NH 1976 ● Look up ↗
N53SA NV 1977 ● Look up ↗
N542H TX 1976 · Look up ↗
N544H OR — ● Look up ↗
N549H TX 1976 ● Look up ↗
N56874 OR 1979 ● Look up ↗
N5688R AK — ● Look up ↗
N5688T OH 1980 ● Look up ↗
N5689N CA 1979 · Look up ↗
N5690K OK — ● Look up ↗
N5690P NY — · Look up ↗
N5691M DC 1980 · Look up ↗
N5692Y UT 1980 ● Look up ↗
N5694A OR 1980 ● Look up ↗
N5696M NY 1980 · Look up ↗
N572H DC 1976 ● Look up ↗
N624CE PA — · Look up ↗
N631DP FL 1980 ● Look up ↗
N643H OR — ● Look up ↗
N666MD OR — · Look up ↗
N728DB OR 1993 · Look up ↗
N77HX MI 1979 ● Look up ↗
N80193 MI 1976 ● Look up ↗
N86198 OR 1981 ● Look up ↗
N88RW NM — · Look up ↗
N90BZ CA — · Look up ↗
N9552 IL 1978 ● Look up ↗

Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)

05 /  Sources & Methodology

Every count traces back to a primary US-government source

We render counts and lists as the agency publishes them. Read the methodology →