# Enstrom 280

- Type: Aircraft model (FAA registry)
- Registry code: 3300502
- Manufacturer (registry): ENSTROM
- Model: 280
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 1 · Reciprocating
- Seats: 3
- Weight class: Up to 12,499 lb
- Cruise speed: 84 mph
- Certification: Type certificated
- Data sheet: [TCDS H1CE](https://openairdocs.org/tcds/H1CE) (OpenAirDocs)
- Holder: The Enstrom Helicopter Corporation
- Registered aircraft: 5
- Page: https://openairdocs.org/model/enstrom-280

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 2023-11-07](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 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 97-20-04](https://openairdocs.org/ad/97-20-04): Voltage Regulator and Over-Voltage Relay · Enstrom Helicopter Corporation, The 280, 280C, F-28A and 1 more. Effective Oct 7, 1997
- [AD 96-06-02](https://openairdocs.org/ad/96-06-02): Swashplate Bearings · Enstrom Helicopter Corporation, The 280, 280C, F-28A and 2 more. Effective Apr 25, 1996
- [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 93-15-10](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
- [AD 83-04-04](https://openairdocs.org/ad/83-04-04): Main Rotor Gearboxes · Enstrom Helicopter Corporation, The 280 and F-28A. Effective Mar 1, 1983
- [AD 82-24-01](https://openairdocs.org/ad/82-24-01): Drivebelt Clutch Mechanism · Enstrom Helicopter Corporation, The 280, 280C, 280F and 3 more. Effective Nov 30, 1982
- [AD 82-16-09](https://openairdocs.org/ad/82-16-09): Main Rotor Blade Grips · Enstrom Helicopter Corporation, The 280, 280C, 280F and 3 more. Effective Aug 4, 1982
- [AD 81-17-01](https://openairdocs.org/ad/81-17-01): Starting Vibrator Assemblies · Bendix Starting Vibrator Assemblies, B-2, B-2A and 49 more. Effective Aug 13, 1981
- [AD 77-20-02](https://openairdocs.org/ad/77-20-02): Tail Rotor Spindle · Enstrom Helicopter Corporation, The 280, 280C, F-28 and 2 more. Effective Oct 6, 1977
- [AD 76-05-11](https://openairdocs.org/ad/76-05-11): Tail Cone Attach Bolts · Enstrom Helicopter Corporation, The 280 and F-28A. Effective Mar 18, 1976
- [AD 75-22-10](https://openairdocs.org/ad/75-22-10): Hub Lock Washer · Enstrom Helicopter Corporation, The 280 and F-28A. Effective Oct 28, 1975

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 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
- [AD 76-17-08 R1](https://openairdocs.org/ad/76-17-08-R1) (historical): Main Rotor Shaft · Enstrom Helicopter Corporation, The 280, F-28 and F-28A. Effective Oct 4, 1977
- [AD 76-17-08](https://openairdocs.org/ad/76-17-08) (historical): Main Rotor Shaft · Enstrom Helicopter Corporation, The 280, F-28 and F-28A. Effective Oct 4, 1977

## Information bulletins (advisory) (1)

- [SAIB SW-12-10R1](https://openairdocs.org/saib/SW-12-10R1): Fuel Level Indication. Issued Feb 3, 2012

## Registered aircraft (5)

- [N132AB](https://openairdocs.org/aircraft/N132AB): [Scenix Air LLC](https://openairdocs.org/faa-owner/SCENIX%20AIR%20LLC), [Batavia, OH](https://openairdocs.org/faa-place/OH/Batavia), built 1974, S/N 1004
- [N280FU](https://openairdocs.org/aircraft/N280FU): [Adf Helicopters Inc](https://openairdocs.org/faa-owner/ADF%20HELICOPTERS%20INC), [Brewster, WA](https://openairdocs.org/faa-place/WA/Brewster), S/N 1007
- [N280Q](https://openairdocs.org/aircraft/N280Q): [Casey Aviation Inc](https://openairdocs.org/faa-owner/CASEY%20AVIATION%20INC), [Burke, TX](https://openairdocs.org/faa-place/TX/Burke), built 1975, S/N 1011
- [N3235B](https://openairdocs.org/aircraft/N3235B): [Hbhis LLC](https://openairdocs.org/faa-owner/HBHIS%20LLC), [Gnadenhutten, OH](https://openairdocs.org/faa-place/OH/Gnadenhutten), S/N 1010
- [N754MH](https://openairdocs.org/aircraft/N754MH): [D&M Aviation Inc](https://openairdocs.org/faa-owner/D%26M%20AVIATION%20INC), [Amelia, OH](https://openairdocs.org/faa-place/OH/Amelia), S/N 1024

## NTSB investigations (7)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR16LA057](https://openairdocs.org/ntsb/WPR16LA057), Jan 25, 2016: Enstrom 280 (N133AB), Phoenix, AZ, substantial damage. Probable cause: A total loss of engine power for reasons that could not be determined because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB NYC90LA090](https://openairdocs.org/ntsb/NYC90LA090), Apr 22, 1990: Enstrom 280 (N493H), Thornton, PA, substantial damage. Probable cause: FAILURE TO ATTAIN A PROPER CLIMB RATE AFTER TAKEOFF FROM A CONFINED AREA. FACTORS INCLUDE GUSTY WINDS AND HIGH OBSTRUCTIONS.
- [NTSB SEA82DA139](https://openairdocs.org/ntsb/SEA82DA139), Aug 9, 1982: Enstrom F280 (N267Q), Seattle, WA, substantial damage
- [NTSB DEN82FA148](https://openairdocs.org/ntsb/DEN82FA148), Jul 29, 1982: Enstrom F-280 (N4202S), Medora, ND, substantial damage, 1 fatal
- [NTSB CHI82DA199](https://openairdocs.org/ntsb/CHI82DA199), Jun 5, 1982: Enstrom 280 (N239Q), Rayland, OH, destroyed
- [NTSB SEA76FYG48](https://openairdocs.org/ntsb/SEA76FYG48), Apr 23, 1976: Enstrom F-28A (N715BP), White Bird, ID, destroyed
- [NTSB NYC76FHM06](https://openairdocs.org/ntsb/NYC76FHM06), Aug 11, 1975: Enstrom 280 (N22BV), Mahwah, NJ, substantial damage

## FAA accident and incident reports (11)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20160124024069A](https://openairdocs.org/incident/20160124024069A), Jan 24, 2016: Enstrom 280 (N133AB), Phoenix, AZ, Substantial damage. At approximately 1800 hrs. The pilot departed sky Harbor airport (phx) to the south after granted clearance for a south departure from ATC. After checking the…
- [Accident 19900422011739A](https://openairdocs.org/incident/19900422011739A), Apr 22, 1990: Enstrm 280 (N493H), Thornton, PA, Substantial damage. Departing a confined Private helipad,struck trees. Gusty wind and near gross weight contributed.
- [Accident 19820809046019A](https://openairdocs.org/incident/19820809046019A), Aug 9, 1982: Enstrm 280 (N267Q), Seattle, WA, Substantial damage. Helicopter lost power and damage occurred during emergency landing.
- [Accident 19820729039729A](https://openairdocs.org/incident/19820729039729A), Jul 29, 1982: Enstrm 280 (N4202S), Medora, ND, Substantial damage. Rotor drive clutch disengaged. Autorotation attempted but rotor RPM too low to prevent crash. AD not complied with.
- [Accident 19820605020729A](https://openairdocs.org/incident/19820605020729A), Jun 5, 1982: Enstrm 280 (N239Q), Rayland, OH, Substantial damage. Pilot used poor judgment in determining aircraft performance. Crashed into wooded area right after takeoff.
- [Incident 19810318024769I](https://openairdocs.org/incident/19810318024769I), Mar 18, 1981: Enstrm 280 (N267Q), Seattle, WA. During climb main rotor drive belt split. Emergency landing on highway.
- [Incident 19801014074119I](https://openairdocs.org/incident/19801014074119I), Oct 14, 1980: Enstrm 280 (N88HB), Mount Laurel, NJ, Minor damage. Emergency landing after engine made a loud noise found a broken cooling fan blade. .
- [Incident 19790103001519I](https://openairdocs.org/incident/19790103001519I), Jan 3, 1979: Enstrm 280 (N280HW), Laverne, CA, Minor damage. Engine quit when student improprly applied sudden power to helicopter during a practice autorotation.
- [Incident 19780422012749I](https://openairdocs.org/incident/19780422012749I), Apr 22, 1978: Enstrm 280 (N280RS), Coconut Grove, FL, Minor damage. Pilot made approach to hover to intended landing site on shore. Could not maintain rp. Settled in water.
- [Accident 19760423017069A](https://openairdocs.org/incident/19760423017069A), Apr 23, 1976: Enstrm 280 (N715BP), White Bird, ID, Destroyed, 1 fatal. Collided with wires which wrapped arnd m/r & t/r drive shafts. Plt and pax later died of their inj.
- [Accident 19750811029329A](https://openairdocs.org/incident/19750811029329A), Aug 11, 1975: Enstrm 280 (N22BV), Mahwah, NJ, Substantial damage. Plt crash landed into trees.

## Service difficulty reports (4)

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

- [SDR CA011031017](https://openairdocs.org/sdr/CA011031017), Oct 5, 2001: GEARBOX. DAMAGED. (CAN) DURING ROUTINE 100 HOUR INSPECTION OIL DRAINED FROM T/R GEARBOX, FOUND EXCESSIVE SLUG & METAL PARTICLES ON CHIP DRAIN PLUG. FLUSHED GEARBOX. ADDED FRESH O
- [SDR 98ZZZX2346](https://openairdocs.org/sdr/98ZZZX2346), Jun 1, 1998: REGULATOR. FAILED. UNIT REQUIRED BY AD 97-20-04 FAILED AFTER 50 HOURS. EIGHTY PERCENT OF THE UNITS FAIL TEST. SUBMITTER STATED THEY SHOULD BE RETIRED FORM SERVICE AS UNRELIABLE. U
- [SDR CA970903009](https://openairdocs.org/sdr/CA970903009), May 26, 1997: CRANKCASE. CRACKED. (CAN) A POST FLIGHT INSPECTION FOUND AN OIL LEAK UNDER THE NR2 CYLINDER. FURTHER INSPECTION FOUND A HAIRLINE CRACK APPROXIMATELY 8 INCHES LONG COMING OFF THE LO
- [SDR CA970219016](https://openairdocs.org/sdr/CA970219016), Feb 3, 1997: GEARBOX. MAKING METAL. (CAN) CHIPS FOUND ON DETECTOR DURING 100 HOUR INSPECTION.

## STCs that may be installed (OpenAirDocs) (35)

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 SR00063DE](https://openairdocs.org/stc/SR00063DE): Installation of Inframetrics IRTV-445G infrared imaging system. Dart Aerospace Company
- [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 SA2586NM](https://openairdocs.org/stc/SA2586NM): Installation of J.P. Instruments temperature monitoring systems. J P Instruments
- [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 SR03353CH](https://openairdocs.org/stc/SR03353CH): Installation of Aspen Avionics Evolution Primary and Multi-Functional Flight Displays. AspenSTC Inc
- [STC SA00068SE](https://openairdocs.org/stc/SA00068SE): Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1). Electronics International 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 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
- [STC SA2190NM PAGE 1](https://openairdocs.org/stc/SA2190NM%20PAGE%201): Installation of electronics International Digital Volt/Amp Gauges and Accessories. Electronics International
- [STC SH592GL](https://openairdocs.org/stc/SH592GL): Install Tayburn Electronics microwave antennae, microwave transmitter, and microwave receiver to landing gear skid. Airborne Microwave, Inc
- [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.

- [Golden Age 280](https://openairdocs.org/model/golden-age-280): 0 registered aircraft, registry code 05613JR

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