ENSTROM HELICOPTER CORP 280C

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered ENSTROM HELICOPTER CORP 280C aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

02 /  NTSB Records

Events involving ENSTROM HELICOPTER CORP 280C aircraft

23 event(s) on file. Showing the most recent 23.

• Oct 9, 2024

  N646H

  Vale, Oregon

  NTSB Docket →

• Mar 16, 2024

  N280WR

  Port Lavaca, Texas

  NTSB Docket →

• Aug 21, 2021

  N9285

  Port Orange, Florida

  NTSB Docket →

• Mar 19, 2014

  N3398M

  Ruidoso, New Mexico

  NTSB Docket →

• May 25, 2009

  N5699N

  Ogden, Utah

  NTSB Docket →

• Nov 14, 2004

  N51739

  Galloo Island, New York

  NTSB Docket →

• Oct 2, 1999

  N602H

  INDIANAPOLIS, Indiana Minor

  NTSB Docket →

• Sep 29, 1999

  N84DH

  LONGMONT, Colorado

  NTSB Docket →

• Jun 9, 1993

  N51739

  GLEN MILLS, Pennsylvania

  NTSB Docket →

• May 5, 1991

  N9285

  ODESSA, Delaware Fatal

  NTSB Docket →

• Mar 18, 1990

  N554H

  CANYON LAKE, California

  NTSB Docket →

• May 17, 1989

  N624H

  COLORADO SPGS, Colorado Minor

  NTSB Docket →

• Jul 12, 1987

  N106DA

  BOSTON, Massachusetts

  NTSB Docket →

• Jul 7, 1982

  N5693R

  STEAMBOAT SPRIN, Colorado

  NTSB Docket →

• Jan 2, 1982

  N51735

  MIDWAY, Utah

  NTSB Docket →

• Sep 8, 1979

  N554H

  CARSON CITY, Nevada Serious

  NTSB Docket →

• Sep 24, 1978

  N665H

  KINGMAN, Arizona Serious

  NTSB Docket →

• Oct 5, 1977

  N111EE

  ALOHA, Oregon

  NTSB Docket →

• Sep 12, 1977

  N800SC

  IDABEL, Oklahoma Fatal

  NTSB Docket →

• Sep 2, 1977

  N3143C

  XENIA, Ohio

  NTSB Docket →

• Jul 7, 1977

  N594H

  DILLON, Montana

  NTSB Docket →

• Feb 25, 1977

  N594H

  VALPARAISO, Indiana Minor

  NTSB Docket →

• Jun 25, 1965

  N800SC

  JACKSONVILLE, Florida

  NTSB Docket →

03 /  Airworthiness Directives

FAA directives applicable to ENSTROM HELICOPTER CORP 280C

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 HELICOPTER CORP 280C

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 HELICOPTER CORP 280C

77 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 ↗

• 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 ↗

• 06/09/2014

  STC SH3319NM

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

  Precise Flight Inc

  Atlas STC → DRS ↗

• 07/25/2013

  STC SH3319NM

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

  Precise Flight Inc

  Atlas STC → DRS ↗

+ 47 more STCs on file

07 /  PMA replacement parts

FAA-approved replacement parts for ENSTROM HELICOPTER CORP 280C

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.

• 3900-280#https://drs.faa.gov/browse/excelExternalWindow/9D7E3FC2236E342386257B87006CD61F.0001##

  Enstrom 280 Spray System

  Isolair Inc replaces Modification Parts

  PMA holder →

• 3900-280#https://drs.faa.gov/browse/excelExternalWindow/6049A78C6DD8583C86257B87006CD612.0001##

  Enstrom 280 Spray System

  Isolair Inc replaces Modification Parts

  PMA holder →

• 3900-280#https://drs.faa.gov/browse/excelExternalWindow/AB6184E54F19303886257AE9006F61B5.0001##

  Enstrom 280 Spray System

  Isolair Inc replaces Modification Parts

  PMA holder →

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for ENSTROM HELICOPTER CORP 280C

05 /  Aircraft of this type

All 48 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.

05 /  Sources & Methodology

Every count traces back to a primary US-government source

• FAA Aircraft Registry →

  Refreshed Apr 27, 2026

  Available

• NTSB CAROL →

  Refreshed Apr 27, 2026

  Available

• Federal Register (FAA Airworthiness Directives) →

  Refreshed Apr 27, 2026

  Available

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