# Enstrom Helicopter 280FX

- Type: Aircraft model (FAA registry)
- Registry code: 3300551
- Manufacturer (registry): ENSTROM HELICOPTER CORP
- Model: 280FX
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 1 · Reciprocating
- Seats: 3
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS H1CE](https://openairdocs.org/tcds/H1CE) (OpenAirDocs)
- Holder: The Enstrom Helicopter Corporation
- Registered aircraft: 7
- Page: https://openairdocs.org/model/enstrom-helicopter-280fx

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2023-09-09](https://openairdocs.org/ad/2023-09-09): Exhaust Turbine System (Recip) · Aerostar PA-60-600 (Aerostar 600), PA-60-601 (Aerostar 601), PA-60-601P (Aerostar 601P) and 292 more. Effective Jul 17, 2023
- [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023
- [AD 2018-02-01](https://openairdocs.org/ad/2018-02-01): Main Rotor Head · Enstrom Helicopter Corporation, The 280, 280C, 280F and 8 more. Effective Feb 21, 2018
- [AD 2017-26-03](https://openairdocs.org/ad/2017-26-03): Main Rotor System · Enstrom Helicopter Corporation, The 280, 280C, 280F and 11 more. Effective Jan 4, 2018
- [AD 2012-11-05](https://openairdocs.org/ad/2012-11-05): Main Rotor Control · Enstrom Helicopter Corporation, The 280C, 280F, 280FX and 6 more. Effective Jul 3, 2012
- [AD 2007-11-02](https://openairdocs.org/ad/2007-11-02): Main rotor push-pull control rod (push-pull rod) · Enstrom Helicopter Corporation, The 280, 280C, 280F and 7 more. Effective Oct 2, 2007
- [AD 2007-16-01](https://openairdocs.org/ad/2007-16-01): Main rotor blade retention pin (retention pin) · Enstrom Helicopter Corporation, The 280, 280C, 280F and 11 more. Effective Aug 15, 2007
- [AD 2002-08-03](https://openairdocs.org/ad/2002-08-03): Main Rotor Transmission and Radius of Upper Fillet of Shaft · Enstrom Helicopter Corporation, The 280, 280C, 280F and 21 more. Effective May 2, 2002
- [AD 96-06-03](https://openairdocs.org/ad/96-06-03): Main Rotor Transmission Clutch Assembly · Enstrom Helicopter Corporation, The 280, 280C, 280F and 6 more. Effective Apr 23, 1996
- [AD 94-17-15](https://openairdocs.org/ad/94-17-15): Main Rotor Feathering Bearing · Enstrom Helicopter Corporation, The 280, 280C, 280F and 5 more. Effective Sep 15, 1994
- [AD 93-24-13](https://openairdocs.org/ad/93-24-13): Trim System · Enstrom Helicopter Corporation, The 280C, 280F, 280FX and 3 more. Effective Aug 26, 1994
- [AD 94-13-03](https://openairdocs.org/ad/94-13-03): Tail Rotor Spindle Inspection · Enstrom Helicopter Corporation, The 280C, 280F, 280FX and 3 more. Effective Aug 12, 1994
- [AD 93-15-10](https://openairdocs.org/ad/93-15-10): Composite-Wrapped Main Rotor Shaft · Enstrom Helicopter Corporation, The 280, 280C, 280F and 5 more. Effective Jan 28, 1994
- [AD 90-17-03](https://openairdocs.org/ad/90-17-03): Tail Rotor Drive Shaft Couplings · Enstrom Helicopter Corporation, The 280, 280C, 280F and 5 more. Effective Sep 7, 1990
- [AD 90-17-02](https://openairdocs.org/ad/90-17-02): Tail Rotor Drive Shaft Couplings · Enstrom Helicopter Corporation, The 280, 280C, 280F and 6 more. Effective Sep 7, 1990
- [AD 90-01-06](https://openairdocs.org/ad/90-01-06): Tail Rotor Gearbox · Enstrom Helicopter Corporation, The 280, 280C, 280F and 6 more. Effective Feb 1, 1990

Historical (superseded or no longer in force):

- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021
- [AD 2015-08-51](https://openairdocs.org/ad/2015-08-51) (historical): Main Rotor Head · Enstrom Helicopter Corporation, The 280, 280C, 280F and 8 more. Effective Jun 2, 2015
- [AD 2015-04-51](https://openairdocs.org/ad/2015-04-51) (historical): Main Rotor Head · Enstrom Helicopter Corporation, The 280, 280C, 280F and 8 more
- [AD 2011-26-10](https://openairdocs.org/ad/2011-26-10) (historical): Cyclic trim system · Enstrom Helicopter Corporation, The 280C, 280F, 280FX and 6 more. Effective Jan 23, 2012
- [AD 2001-22-01](https://openairdocs.org/ad/2001-22-01) (historical): Main Rotor Shaft · Enstrom Helicopter Corporation, The 280, 280C, 280F and 8 more. Effective Nov 13, 2001

## Information bulletins (advisory) (4)

- [SAIB SW-12-45](https://openairdocs.org/saib/SW-12-45): Garmin Model 400W/500W Series GPS-WAAS Navigation System. Issued Oct 3, 2012
- [SAIB SW-12-10R1](https://openairdocs.org/saib/SW-12-10R1): Fuel Level Indication. Issued Feb 3, 2012
- [SAIB SW-12-10](https://openairdocs.org/saib/SW-12-10) (historical): Enstrom Helicopter Corporation 280FX Helicopters; Fuel Quantity Indicator. Issued Jan 9, 2012
- [SAIB SW-09-30](https://openairdocs.org/saib/SW-09-30): Cracked Pylons. Issued May 27, 2009

## Registered aircraft (7)

- [N136HA](https://openairdocs.org/aircraft/N136HA): [Enstrom Helicopter Corp](https://openairdocs.org/faa-owner/ENSTROM%20HELICOPTER%20CORP), [Menominee, MI](https://openairdocs.org/faa-place/MI/Menominee), built 2015, S/N 2143
- [N1477Q](https://openairdocs.org/aircraft/N1477Q): [Dd & Cd LLC](https://openairdocs.org/faa-owner/DD%20%26%20CD%20LLC), [Harrison, AR](https://openairdocs.org/faa-place/AR/Harrison), built 2013, S/N 2138
- [N1479Y](https://openairdocs.org/aircraft/N1479Y): [Monadnock Choppers LLC](https://openairdocs.org/faa-owner/MONADNOCK%20CHOPPERS%20LLC), [North Swanzey, NH](https://openairdocs.org/faa-place/NH/North%20Swanzey), built 2013, S/N 2139
- [N269PE](https://openairdocs.org/aircraft/N269PE): [Enstrom Helicopter Corp](https://openairdocs.org/faa-owner/ENSTROM%20HELICOPTER%20CORP), [Menominee, MI](https://openairdocs.org/faa-place/MI/Menominee), built 2024, S/N 2176
- [N280EH](https://openairdocs.org/aircraft/N280EH): [Enstrom Helicopter Corp](https://openairdocs.org/faa-owner/ENSTROM%20HELICOPTER%20CORP), [Menominee, MI](https://openairdocs.org/faa-place/MI/Menominee), built 2026, S/N 2179
- [N289SH](https://openairdocs.org/aircraft/N289SH): [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2011, S/N 2134, Registration pending
- [N613AH](https://openairdocs.org/aircraft/N613AH): [Enstrom Helicopter Corp](https://openairdocs.org/faa-owner/ENSTROM%20HELICOPTER%20CORP), [Menominee, MI](https://openairdocs.org/faa-place/MI/Menominee), S/N 2180

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## Service difficulty reports (3)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2008FA0000111](https://openairdocs.org/sdr/2008FA0000111), Mar 4, 2008: BEARING. SEIZED. THE THRUST BEARINGS IN THE TAIL ROTOR BLADE GRIPS ARE OF MATCHED SETS. THESE SETS HAVE A SPECIFIC INSTALLATION ORIENTATION. ORIENTATION OF THESE BEARINGS ARE MA
- [SDR EAHR200500001](https://openairdocs.org/sdr/EAHR200500001), Mar 8, 2005: SPACER. CRACKED. CRACK ON ID OF SPACER OF TAIL ROTOR GEARBOX.
- [SDR 96ZZZX5086](https://openairdocs.org/sdr/96ZZZX5086), Aug 21, 1996: BOLT. FAILED. THE BOLTS THAT FAILED ATTACH INBOARD END OF MAIN ROTOR DAMPER. NEITHER DAMPER CAME LOOSE SINCE THE DESIGN OF THE ROTOR HEAD PREVENTS BOLT FROM COMING OUT ALL TH

## STCs that may be installed (OpenAirDocs) (42)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SR03173CH](https://openairdocs.org/stc/SR03173CH): Installation of Isolair Innovator 11 Model 3900-280 Spray System. Isolair Inc
- [STC SR00063DE](https://openairdocs.org/stc/SR00063DE): Installation of Inframetrics IRTV-445G infrared imaging system. Dart Aerospace Company
- [STC SR02120SE](https://openairdocs.org/stc/SR02120SE): Installation of Garmin GTN 6XX/7XX Navigation System. Garmin International Inc
- [STC SH492NW](https://openairdocs.org/stc/SH492NW): Installation of cargo racks Model 100 (rectangular) or Model 101(tapered) on each side. The ENSTROM Helicopter Corporation
- [STC SH3319NM](https://openairdocs.org/stc/SH3319NM): Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,. Precise Flight Inc
- [STC SA11137SC](https://openairdocs.org/stc/SA11137SC): Installation of Plane-Power ALT-FLX alternator. Hartzell Engine Technologies, LLC
- [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC
- [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation
- [STC SR02124SE](https://openairdocs.org/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
- [STC SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SR00568NY](https://openairdocs.org/stc/SR00568NY): Installation of remote mounted oil filter, model AFC-500 or AFC-600, and kit AFC-K014. Airwolf Filter Corporation
- [STC SR02487AK](https://openairdocs.org/stc/SR02487AK): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System. ADS-B Technologies, LLC
- [STC SR02470AK](https://openairdocs.org/stc/SR02470AK): Installation of the L-3 Communications NGT -1000/2000/2500 ADS-B System. ADS-B Technologies, LLC
- [STC SR02471AK](https://openairdocs.org/stc/SR02471AK): Installation of the L-3 Communications NGT -9000/9000R ADS-B System. ADS-B Technologies, LLC
- [STC SR03465CH](https://openairdocs.org/stc/SR03465CH): Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-ECD-084-280, or AA-ECD-084-480. Airwolf Aerospace LLC
- [STC SR03520NY](https://openairdocs.org/stc/SR03520NY): Installation of Rotor Head Cover. Spitfire Aerospace, LLC
- [STC SR02394AK](https://openairdocs.org/stc/SR02394AK): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system. Seaplanes North LLC
- [STC SH4061NM](https://openairdocs.org/stc/SH4061NM): Installation of Pneumatic Door Actuators. Air Comm Corporation
- [STC SR03353CH](https://openairdocs.org/stc/SR03353CH): Installation of Aspen Avionics Evolution Primary and Multi-Functional Flight Displays. AspenSTC Inc
- [STC SR02232LA](https://openairdocs.org/stc/SR02232LA): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin AT Inc
- [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories. Electronics International Inc
- [STC SA4172NM](https://openairdocs.org/stc/SA4172NM): Installation of Aviation Development oil filter. Aviation Development Corporation
- [STC SA02033AT](https://openairdocs.org/stc/SA02033AT): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. M-20 Oil Separators LLC
- [STC SA00680SE](https://openairdocs.org/stc/SA00680SE): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. Electronics International
- [STC SR01430LA](https://openairdocs.org/stc/SR01430LA): Installation of Stainless Steel Skid shoes. Papas Gary Los Angeles Laboratories Inc
- [STC SA02520AT](https://openairdocs.org/stc/SA02520AT): Installation of M-20 Oil Separator, model 600-WP. M-20 Oil Separators LLC
- [STC SA2687NM](https://openairdocs.org/stc/SA2687NM): Installation of Truboplus/ Electronics Int'l gauges and switches. Aero Manufacturing Inc
- [STC SA00061LA](https://openairdocs.org/stc/SA00061LA): Installation of JPI digital tachometer. J P Instruments
- [STC SA00238SE](https://openairdocs.org/stc/SA00238SE): Installation of Aviation Development Corporation's sump mounted chip detector. Aviation Development Corporation
- [STC SR00179DE](https://openairdocs.org/stc/SR00179DE): Installation of Oilamatic preoiler system. Oilamatic Inc
- [STC SR00757AT](https://openairdocs.org/stc/SR00757AT): Installation of Inframetrics Model IRTV 445G thermal imager. Palmetto Helicopters, Inc
- [STC SR00382AT](https://openairdocs.org/stc/SR00382AT): Installation of FLIR 2000 series thermal imager. Palmetto Helicopters, Inc
- [STC SR00255AT](https://openairdocs.org/stc/SR00255AT): Installation of Spectrolab SX-5 searchlight. Palmetto Helicopters, Inc
- [STC SA1626NM PAGE 1](https://openairdocs.org/stc/SA1626NM%20PAGE%201): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International
- [STC SA2350NM PAGE 1](https://openairdocs.org/stc/SA2350NM%20PAGE%201): Installation of Electronics International Inc digital carburetor/outside air temperature gauges. Electronics International
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International
- [STC SA3862NM PAGE 1](https://openairdocs.org/stc/SA3862NM%20PAGE%201): Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories. Electronics International
- [STC SA2867NM](https://openairdocs.org/stc/SA2867NM): Installation of Turboplus/ Electronics Int'l digital temperature gauges. Turboplus, Inc. Lists 280 Series
- [STC SH2571NM](https://openairdocs.org/stc/SH2571NM): Installation of Nightsun SX-16C searchlight. City of Pomona
- [STC SA2190NM PAGE 1](https://openairdocs.org/stc/SA2190NM%20PAGE%201): Installation of electronics International Digital Volt/Amp Gauges and Accessories. Electronics International
- [STC SA2386SW](https://openairdocs.org/stc/SA2386SW): Installation of S.A.F.E., EGT, CHT Systems. Avicon Development Corporation
- [STC SA2350NM](https://openairdocs.org/stc/SA2350NM) (historical): Installation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories. Electronics International

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Enstrom 280FX](https://openairdocs.org/model/enstrom-280fx): 53 registered aircraft, registry code 3300506
- [Enstrom 280FX](https://openairdocs.org/model/enstrom-280fx): 5 registered aircraft, registry code 330050A

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