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Type Record · As of May 3, 2026

ENSTROM F-28F

Rotorcraft · LYCOMING HIO-360 SER

Registered

62

Year Range

1981–2016

NTSB Events

37

Airworthiness Directives

14

01 /  Distribution

Where the fleet lives and was built

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

By State (top 10)

  • OR 29.0% 18
  • MT 11.3% 7
  • AK 6.5% 4
  • MI 4.8% 3
  • NY 4.8% 3
  • PA 3.2% 2
  • IL 3.2% 2
  • WA 3.2% 2
  • DE 3.2% 2
  • FL 3.2% 2

+15 more states

By Decade of Manufacture

  • 1980s 38.7% 24
  • 1990s 21.0% 13
  • 2000s 4.8% 3
  • 2010s 1.6% 1
  • Unknown 33.9% 21

02 /  NTSB Records

Events involving ENSTROM F-28F aircraft

37 event(s) on file. Showing the most recent 25 · 12 more available on NTSB CAROL.

03 /  Airworthiness Directives

FAA directives applicable to ENSTROM F-28F

14 directive(s) on file. Showing the most recent 14.

  • 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…

  • 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…

  • 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.…

  • 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…

  • 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…

  • 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…

  • 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…

  • 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…

  • 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…

  • 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…

  • 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…

  • 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…

  • 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…

  • 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…

04 /  Type Certificate Data Sheets

FAA TCDS for ENSTROM F-28F

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

06 /  Supplemental Type Certificates

Modifications approved for ENSTROM F-28F

75 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.

  • 12/22/2023

    STC SR00063DE

    Installation of Inframetrics IRTV-445G infrared imaging system.

    Dart Aerospace Company

  • 10/03/2023

    STC SR02120SE

    Installation of Garmin GTN 6XX/7XX Navigation System

    Garmin International Inc.

  • 04/21/2023

    STC SH492NW

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

    The ENSTROM Helicopter Corporation

  • 04/14/2023

    STC SH3319NM

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

    Precise Flight Inc

  • 04/07/2023

    STC SH492NW

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

    Mark Miller

  • 04/04/2023

    STC SA11137SC

    Installation of Plane-Power ALT-FLX alternator

    Hartzell Engine Technologies, LLC

  • 12/17/2020

    STC SR02704SE

    Installation and maintenance of the Sunspot 36 and 46 series lights

    AeroLED's Holdings LLC

  • 12/17/2020

    STC SR02704SE

    Installation and maintenance of the Sunspot 36 and 46 series lights

    AeroLEDS LLC

  • 06/04/2020

    STC SA02268CH (PAGE 5)

    Installation of Airwolf Filter Corp. Air Oil Separator

    Airwolf Filter Corporation

  • 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

  • 01/29/2020

    STC SR02120SE

    Installation of Garmin GTN 6XX/7XX Navigation System

    Garmin International Inc

  • 05/29/2019

    STC SR00359BO

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

    Whelen Aerospace Technologies

  • 12/20/2017

    STC SR00568NY

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

    Airwolf Filter Corporation

  • 12/20/2017

    STC SA02268CH (PAGE 5)

    Installation of Airwolf Filter Corp. Air Oil Separator

    Airwolf Filter Corporation

  • 05/23/2017

    STC SR02487AK

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

    ADS-B Technologies, LLC

  • 02/21/2017

    STC SH492NW

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

    Mark Miller

  • 12/29/2016

    STC SH3319NM

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

    Precise Flight Inc

  • 11/28/2016

    STC SR00359BO

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

    Whelen Engineering Co Inc

  • 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

  • 01/14/2015

    STC SR02394AK

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

    Seaplanes North LLC

  • 11/24/2014

    STC SH4061NM

    Installation of Pneumatic Door Actuators

    Air Comm Corporation

  • 07/17/2014

    STC SA11137SC

    Installation of Plane-Power ALT-FLX alternator

    Hartzell Engine Technologies, LLC

  • 07/08/2014

    STC SR03353CH

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

    AspenSTC Inc

  • 06/09/2014

    STC SH3319NM

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

    Precise Flight Inc

  • 07/25/2013

    STC SH3319NM

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

    Precise Flight Inc

  • 05/10/2013

    STC SA11137SC

    Installation of Plane-Power ALT-FLX alternator

    Plane Power Ltd.

  • 03/26/2013

    STC SA11137SC

    Installation of Plane-Power ALT-FLX alternator

    Plane-Power Systems, Inc.

  • 03/20/2013

    STC SR03173CH

    Installation of Isolair Innovator 11 Model 3900-280 Spray System

    Isolair Inc.

  • 03/14/2013

    STC SA11137SC

    Installation of Plane-Power ALT-FLX alternator

    Plane-Power Systems, Inc.

+ 45 more STCs on file

07 /  PMA replacement parts

FAA-approved replacement parts for ENSTROM F-28F

25 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.

  • #https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID841489719202106221425150.0001##

    AeroLEDs LLC

    PMA holder →
  • 280-180001-12#https://drs.faa.gov/browse/excelExternalWindow/6BB294CBCD2DCD208625744000736C51.0001##

    RH Console Side Cover

    Plane Plastics Ltd replaces K280-180001-12

    PMA holder →
  • 28-18164-3#https://drs.faa.gov/browse/excelExternalWindow/0DA75FA32959BFC08625744000736C0E.0001##

    Console Hood Assembly

    Plane Plastics Ltd replaces K28-18164-3

    PMA holder →
  • 280-180001-11#https://drs.faa.gov/browse/excelExternalWindow/788FBBA47BD510308625744000736BA7.0001##

    LH Console Side Cover

    Plane Plastics Ltd replaces K280-180001-11

    PMA holder →
  • 28-113042-11#https://drs.faa.gov/browse/excelExternalWindow/7BFFC25AA28E229F8625744000736BDE.0001##

    Access Door

    Plane Plastics Ltd replaces K28-113042-11

    PMA holder →
  • 28-180001-13#https://drs.faa.gov/browse/excelExternalWindow/CD784A1E78266CC48625744000736B72.0001##

    Console Front Cover

    Plane Plastics Ltd replaces K28-180001-13

    PMA holder →
  • 28-113041-11#https://drs.faa.gov/browse/excelExternalWindow/0A69D932B1D9F24E8625744000736B09.0001##

    LH Cabin Trim

    Plane Plastics Ltd replaces K28-113041-11

    PMA holder →
  • 28-113041-12#https://drs.faa.gov/browse/excelExternalWindow/866209B0E64646BB8625744000736B3B.0001##

    RH Cabin Trim

    Plane Plastics Ltd replaces K28-113041-12

    PMA holder →
  • 28-113047-12#https://drs.faa.gov/browse/excelExternalWindow/07E08062C9E015F18625744000736A9C.0001##

    RH Rain Fairing (Exterior)

    Plane Plastics Ltd replaces K28-113047-12

    PMA holder →
  • 28-113047-11#https://drs.faa.gov/browse/excelExternalWindow/175C7BC9B5900AD08625744000736AD1.0001##

    LH Rain Fairing (Exterior)

    Plane Plastics Ltd replaces K28-113047-11

    PMA holder →
  • 28-11610-901#https://drs.faa.gov/browse/excelExternalWindow/AE9F1D08CFB2C89F8625744000736A62.0001##

    Headliner B

    Plane Plastics Ltd replaces K28-11610-901

    PMA holder →
  • 28-11619-1#https://drs.faa.gov/browse/excelExternalWindow/4E84BF2E5185FE638625744000736A1F.0001##

    Headliner A

    Plane Plastics Ltd replaces K28-11619-1

    PMA holder →
  • 28-16070-15#https://drs.faa.gov/browse/excelExternalWindow/0BC66E9464AC106586257440007369EE.0001##

    Collective Shroud

    Plane Plastics Ltd replaces K28-16070-15

    PMA holder →
  • 28-16070-17#https://drs.faa.gov/browse/excelExternalWindow/D8250171BF5BFC9386257440007369B5.0001##

    Collective Shroud

    Plane Plastics Ltd replaces K28-16070-17

    PMA holder →
  • 28-18164-1#https://drs.faa.gov/browse/excelExternalWindow/B726D36182616E14862574400073697F.0001##

    Hood Assembly Glareshield

    Plane Plastics Ltd replaces K28-18164-1

    PMA holder →
  • 28-11618-11#https://drs.faa.gov/browse/excelExternalWindow/01B5C85088878A458625744000736942.0001##

    LH Rear Pillar Cover

    Plane Plastics Ltd replaces K28-11618-11

    PMA holder →
  • 28-11613-12#https://drs.faa.gov/browse/excelExternalWindow/671B27DFD1644933862574400073690D.0001##

    RH Front Pillar Cover

    Plane Plastics Ltd replaces K28-11613-12

    PMA holder →
  • 28-11404-13#https://drs.faa.gov/browse/excelExternalWindow/9E5EF8051B38422086257440007368D7.0001##

    Collective Housing

    Plane Plastics Ltd replaces K28-11404-13

    PMA holder →
  • 28-11618-12#https://drs.faa.gov/browse/excelExternalWindow/3A1D67089B63098986257440007368A3.0001##

    RH Rear Pillar Cover

    Plane Plastics Ltd replaces K28-11618-12

    PMA holder →
  • 28-11613-11#https://drs.faa.gov/browse/excelExternalWindow/78F0ECB97E2B2880862574400073686E.0001##

    LH Front Pillar Cover

    Plane Plastics Ltd replaces K28-11613-11

    PMA holder →
  • 28-11611-2#https://drs.faa.gov/browse/excelExternalWindow/B215368F5B4183B88625744000736837.0001##

    RH Front Panel

    Plane Plastics Ltd replaces K28-11611-2

    PMA holder →
  • 28-11612-11#https://drs.faa.gov/browse/excelExternalWindow/A562571DF5EDC7BC86257440007367FD.0001##

    Center Front Panel

    Plane Plastics Ltd replaces K28-11612-11

    PMA holder →
  • 28-11611-1#https://drs.faa.gov/browse/excelExternalWindow/AD91B49109B9A57186257440007367C7.0001##

    LH Front Panel

    Plane Plastics Ltd replaces K28-11611-1

    PMA holder →
  • 28-18168-1#https://drs.faa.gov/browse/excelExternalWindow/43C8BA5D619EAC378625744000736782.0001##

    Complete Top Instr. Housing

    Plane Plastics Ltd replaces K28-18168-1

    PMA holder →
  • 28-18161-11#https://drs.faa.gov/browse/excelExternalWindow/D54B8C7FE90924E78625744000736731.0001##

    Complete Bottom Instr. Console Cover

    Plane Plastics Ltd replaces K28-18161-11

    PMA holder →

05 /  Aircraft of this type

All 62 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.

62 of 62
N-number St Year NTSB FAA
N100EN PA · Look up ↗
N109JH ID 1997 · Look up ↗
N128T IL 1990 Look up ↗
N137R OR 1995 · Look up ↗
N171DH ME · Look up ↗
N171HH OR 1988 Look up ↗
N17BZ OK 1981 · Look up ↗
N1952C OR 1981 · Look up ↗
N1952Z OR 1987 Look up ↗
N199LB WA Look up ↗
N19BZ OR 1983 Look up ↗
N223RS OR 1987 Look up ↗
N228F MI 2007 Look up ↗
N247NW MT · Look up ↗
N258SH NH 2008 · Look up ↗
N280M MT Look up ↗
N280MW OR Look up ↗
N288SH DE 2016 · Look up ↗
N28EH NY 1981 · Look up ↗
N307RT MT 1990 · Look up ↗
N44XA FL · Look up ↗
N503PD AL · Look up ↗
N516BY WY 1992 · Look up ↗
N518EG OR Look up ↗
N51PD CA 1996 · Look up ↗
N52PD TX 1996 Look up ↗
N5698E OR Look up ↗
N56999 MI · Look up ↗
N5699D DE 1981 · Look up ↗
N5699U OR Look up ↗
N5699V NY 1981 · Look up ↗
N669CE MT 1992 · Look up ↗
N726RM UT 1997 · Look up ↗
N730H OR · Look up ↗
N756H OR Look up ↗
N762A OR 1989 · Look up ↗
N825SH WI 2009 · Look up ↗
N857MM MT 1982 · Look up ↗
N8617H CT 1981 · Look up ↗
N8619A OR 1981 · Look up ↗
N8620C OR Look up ↗
N8622E NY 1982 · Look up ↗
N8622U AK 1982 Look up ↗
N8622X AK 1982 · Look up ↗
N86238 IL 1985 Look up ↗
N8623B OR 1982 Look up ↗
N86243 AK 1982 · Look up ↗
N86244 WA · Look up ↗
N8624B MT Look up ↗
N8624G CA Look up ↗
N8624Q MI Look up ↗
N8625K FL 1991 · Look up ↗
N8625W OH 1985 Look up ↗
N8626A OR 1991 · Look up ↗
N8626P IN 1983 · Look up ↗
N8626S AK 1992 Look up ↗
N8630Y MA 1985 · Look up ↗
N8631Y PA 1985 Look up ↗
N890JR MT · Look up ↗
N942MA IA 1988 Look up ↗
N98FW OH 1998 · Look up ↗
N99YC OR 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 →