Type Record · As of May 3, 2026
ENSTROM F-28
Rotorcraft · LYCOMING I0360 SER
Registered
1
NTSB Events
1
Airworthiness Directives
7
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered ENSTROM F-28 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- CA 100.0% 1
By Decade of Manufacture
- Unknown 100.0% 1
02 / NTSB Records
Events involving ENSTROM F-28 aircraft
1 event(s) on file. Showing the most recent 1.
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Jul 4, 1980
N193ECIRCLEVILLE, Ohio
NTSB Docket →
02b / NASA ASRS Reports
Near-miss reports involving ENSTROM F-28
NASA's voluntary, confidential reporting system surfaces what almost went wrong. 1 de-identified ASRS report references this airframe. Pilot-written narrative. ASRS reports are voluntary and not investigated — they represent the reporter's perspective and cannot infer prevalence.
03 / Airworthiness Directives
FAA directives applicable to ENSTROM F-28
7 directive(s) on file. Showing the most recent 7.
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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.…
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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…
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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…
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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…
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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…
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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…
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Mar 28, 1995
Airworthiness Directives; Textron Lycoming O-360, LO-360, HO-360, HIO-360, TIO-360, LIO-360, AEIO-360, O-540, IO-540, TIO-540, LTIO-540, IVO-540, AEIO-540, TIO-541, and IO-720 Series Reciprocating Engines
This document publishes in the Federal Register an amendment adopting Airworthiness Directive (AD) 95-07-01 that was sent previously to all known U.S. owners and operators of Textron Lycoming O-360, LO- 360, HO-360, HIO-360, TIO-360, LIO-360, AEIO-360, O-540, IO-540, TIO- 540, LTIO-540, IVO-540, AEIO-540, TIO-541, and…
04 / Type Certificate Data Sheets
FAA TCDS for ENSTROM F-28
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-28
67 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
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12/22/2023
STC SR00063DE
Installation of Inframetrics IRTV-445G infrared imaging system.
Dart Aerospace Company
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04/14/2023
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
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04/04/2023
STC SA11137SC
Installation of Plane-Power ALT-FLX alternator
Hartzell Engine Technologies, LLC
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12/17/2020
STC SR02704SE
Installation and maintenance of the Sunspot 36 and 46 series lights
AeroLED's Holdings LLC
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12/17/2020
STC SR02704SE
Installation and maintenance of the Sunspot 36 and 46 series lights
AeroLEDS LLC
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06/04/2020
STC SA02268CH (PAGE 5)
Installation of Airwolf Filter Corp. Air Oil Separator
Airwolf Filter Corporation
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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
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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
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05/29/2019
STC SR00359BO
Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.
Whelen Aerospace Technologies
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12/20/2017
STC SR00568NY
Installation of remote mounted oil filter, model AFC-500 or AFC-600, and kit AFC-K014.
Airwolf Filter Corporation
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12/20/2017
STC SA02268CH (PAGE 5)
Installation of Airwolf Filter Corp. Air Oil Separator
Airwolf Filter Corporation
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05/23/2017
STC SR02487AK
Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System
ADS-B Technologies, LLC
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12/29/2016
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
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11/28/2016
STC SR00359BO
Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.
Whelen Engineering Co Inc
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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
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03/04/2016
STC SR02470AK
Installation of the L-3 Communications NGT -1000/2000/2500 ADS-B System
ADS-B Technologies, LLC
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03/04/2016
STC SR02471AK
Installation of the L-3 Communications NGT -9000/9000R ADS-B System
ADS-B Technologies, LLC
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02/16/2016
STC SR02470AK
Installation of the L-3 Communications NGT -1000/2000/2500 ADS-B System
ADS-B Technologies LLC
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02/16/2016
STC SR02471AK
Installation of the L-3 Communications NGT -9000/9000R ADS-B System
ADS-B Technologies LLC
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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
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04/03/2015
STC SR03520NY
Installation of Rotor Head Cover
Spitfire Aerospace, LLC
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07/17/2014
STC SA11137SC
Installation of Plane-Power ALT-FLX alternator
Hartzell Engine Technologies, LLC
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06/09/2014
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
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07/25/2013
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
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05/10/2013
STC SA11137SC
Installation of Plane-Power ALT-FLX alternator
Plane Power Ltd.
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03/26/2013
STC SA11137SC
Installation of Plane-Power ALT-FLX alternator
Plane-Power Systems, Inc.
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03/14/2013
STC SA11137SC
Installation of Plane-Power ALT-FLX alternator
Plane-Power Systems, Inc.
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10/17/2012
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
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05/23/2012
STC SR02394AK
Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system
Floats Alaska LLC
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03/15/2012
STC SR02394AK
Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system per Installation Instructions LED03-20R, Rev. IR, dated October 27, 2010.
Floats Alaska LLC
+ 37 more STCs on file
07 / PMA replacement parts
FAA-approved replacement parts for ENSTROM F-28
14 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.
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B-00368-17#https://drs.faa.gov/browse/excelExternalWindow/96D6DFA1B065569C86257AB60074821E.0001##
Alternator Control, 28V
Lamar Technologies LLC replaces B-00368-11, ECD-069-13
PMA holder → -
B-00371-1#https://drs.faa.gov/browse/excelExternalWindow/7754ADE94D77CA8C86257AB600748237.0001##
Alternator Control, 14V
Lamar Technologies LLC replaces B-00371-9
PMA holder → -
B-00331-2#https://drs.faa.gov/browse/excelExternalWindow/70ED2A605A73B5C886257AB6007481FE.0001##
Voltage Regulator, Type I, 14V
Lamar Technologies LLC replaces B-00331-3
PMA holder → -
B-00371-1#https://drs.faa.gov/browse/excelExternalWindow/4EA8471166B9C2AB86257AB600748240.0001##
Alternator Control, 14V
Lamar Technologies LLC replaces B-00371-12, ECD-069-11
PMA holder → -
B-00289-2#https://drs.faa.gov/browse/excelExternalWindow/484DCE0AB623569686257AB6007481E2.0001##
Relay, Over-Voltage, 14V
Lamar Technologies LLC replaces B-00264-3, 28-19019-1
PMA holder → -
B-00371-1#https://drs.faa.gov/browse/excelExternalWindow/F89DF07D7FF1D2F486257AB600732389.0001##
Alternator Control, 14V
Lamar Technologies LLC replaces B-00371-9
PMA holder → -
B-00368-17#https://drs.faa.gov/browse/excelExternalWindow/DBD6CEC0C86D078986257AB60073236A.0001##
Alternator Control, 28V
Lamar Technologies LLC replaces B-00368-11, ECD-069-13
PMA holder → -
B-00371-1#https://drs.faa.gov/browse/excelExternalWindow/52E82885FC6759E986257AB600732393.0001##
Alternator Control, 14V
Lamar Technologies LLC replaces B-00371-12, ECD-069-11
PMA holder → -
B-00289-2#https://drs.faa.gov/browse/excelExternalWindow/46575AE0EDC8AD6F86257AB60073232A.0001##
Relay, Over-Voltage, 14V
Lamar Technologies LLC replaces B-00264-3, 28-19019-1
PMA holder → -
B-00331-2#https://drs.faa.gov/browse/excelExternalWindow/163D198BADBAECD086257AB60073234C.0001##
Voltage Regulator, Type I, 14V
Lamar Technologies LLC replaces B-00331-3
PMA holder → -
AA-ECD-084-280#https://drs.faa.gov/browse/excelExternalWindow/CA3C7E3F37D5AC5486257E6E0067CF9C.0001##
Tension-Torsion Strap Assy
Airwolf Filter Corp replaces Modification Part
PMA holder → -
AA-ECD-084-280#https://drs.faa.gov/browse/excelExternalWindow/66AC7A188E91A107862585D20047E1E4.0001##
Tension-Torsion Strap Assy
Airwolf Aerospace LLC (formerly Airwolf Helicopter) replaces Modification Part
PMA holder → -
MDL TD 031851#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID188062838120250508133549.0001##
VA-1A( )AndAccessories
Electronics International Inc replaces Modification Part
PMA holder → -
Dwg List No. DL-F28IR#https://drs.faa.gov/browse/excelExternalWindow/919D85CDBC7CD62A852570490052D2F2.0001##
Infrared Imaging System
Paravion Technology Inc replaces Modification Part
PMA holder →
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for ENSTROM F-28
Advisory Circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register activity
Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).
- 2026-04-17 Settlement Policy for Small Unmanned Aircraft System (UAS) Cases FR ↗
- 2026-02-10 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of Extension FR ↗
- 2026-02-02 25-Hour Cockpit Voice Recorder (CVR) Requirement, New Aircraft Production FR ↗
- 2026-01-28 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period FR ↗
- 2026-01-07 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
05 / Aircraft of this type
All 1 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.
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N193E | CA | — | ● | 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
- 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 →