# Enstrom Helicopter 280C

- Type: Aircraft model (FAA registry)
- Registry code: 3300505
- Manufacturer (registry): ENSTROM HELICOPTER CORP
- Model: 280C
- 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: 48
- Page: https://openairdocs.org/model/enstrom-helicopter-280c

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 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 93-24-13](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
- [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 79-10-06 R1](https://openairdocs.org/ad/79-10-06-R1): Tail Rotor Blade Grips · Enstrom Helicopter Corporation, The 280C and F-28C. Effective Mar 19, 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 79-02-01](https://openairdocs.org/ad/79-02-01): Turbochargers · Enstrom Helicopter Corporation, The 280C and F-28C. Effective Jan 17, 1979
- [AD 77-25-05](https://openairdocs.org/ad/77-25-05): Idle Mixture · Enstrom Helicopter Corporation, The 280C and F-28C. Effective Dec 21, 1977
- [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 77-15-04](https://openairdocs.org/ad/77-15-04): Tail Rotor Pitch Link Assembly · Enstrom Helicopter Corporation, The 280C and F-28C. Effective Jul 26, 1977
- [AD 77-06-04](https://openairdocs.org/ad/77-06-04): Tail Rotor Assembly · Enstrom Helicopter Corporation, The 280C, F-28C, 280C and 1 more. Effective Mar 31, 1977

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) (2)

- [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

## Registered aircraft (48)

- [N106DA](https://openairdocs.org/aircraft/N106DA): [Beartooth Fencing LLC](https://openairdocs.org/faa-owner/BEARTOOTH%20FENCING%20LLC), [Reed Point, MT](https://openairdocs.org/faa-place/MT/Reed%20Point), built 1976, S/N 1050
- [N111EE](https://openairdocs.org/aircraft/N111EE): [Pereira Alfred R Jr](https://openairdocs.org/faa-owner/PEREIRA%20ALFRED%20R%20JR), [Valley Springs, CA](https://openairdocs.org/faa-place/CA/Valley%20Springs), built 1977, S/N 1075
- [N122TV](https://openairdocs.org/aircraft/N122TV): [Butler Aaron](https://openairdocs.org/faa-owner/BUTLER%20AARON), [Rupert, ID](https://openairdocs.org/faa-place/ID/Rupert), built 1976, S/N 1049
- [N142L](https://openairdocs.org/aircraft/N142L): [Kummoung Jeffery S](https://openairdocs.org/faa-owner/KUMMOUNG%20JEFFERY%20S), [Middleburg, FL](https://openairdocs.org/faa-place/FL/Middleburg), built 1976, S/N 1036
- [N1577E](https://openairdocs.org/aircraft/N1577E): [Seibert Lynn K](https://openairdocs.org/faa-owner/SEIBERT%20LYNN%20K), [Fresno, CA](https://openairdocs.org/faa-place/CA/Fresno), S/N 1131
- [N170Q](https://openairdocs.org/aircraft/N170Q): [Cherry Calvin L](https://openairdocs.org/faa-owner/CHERRY%20CALVIN%20L), [Paso Robles, CA](https://openairdocs.org/faa-place/CA/Paso%20Robles), built 1978, S/N 1137
- [N17YB](https://openairdocs.org/aircraft/N17YB): [Ahearn Nicholas](https://openairdocs.org/faa-owner/AHEARN%20NICHOLAS), [Harper, TX](https://openairdocs.org/faa-place/TX/Harper), built 1978, S/N 1158
- [N221MP](https://openairdocs.org/aircraft/N221MP): [Benson Aviation LLC](https://openairdocs.org/faa-owner/BENSON%20AVIATION%20LLC), [Mehoopany, PA](https://openairdocs.org/faa-place/PA/Mehoopany), S/N 1147
- [N277RD](https://openairdocs.org/aircraft/N277RD): [Westline Corp](https://openairdocs.org/faa-owner/WESTLINE%20CORP), [Medina, OH](https://openairdocs.org/faa-place/OH/Medina), built 1978, S/N 1156
- [N280A](https://openairdocs.org/aircraft/N280A): [L2e2 Corporation](https://openairdocs.org/faa-owner/L2E2%20CORPORATION), [Menlo Park, CA](https://openairdocs.org/faa-place/CA/Menlo%20Park), built 1980, S/N 1210
- [N280MG](https://openairdocs.org/aircraft/N280MG): [M&M Charter LLC](https://openairdocs.org/faa-owner/M%26M%20CHARTER%20LLC), [Mountville, PA](https://openairdocs.org/faa-place/PA/Mountville), built 1978, S/N 1135
- [N280WR](https://openairdocs.org/aircraft/N280WR): [Beacon Aviation Flight Services LLC](https://openairdocs.org/faa-owner/BEACON%20AVIATION%20FLIGHT%20SERVICES%20LLC), [Rogers, AR](https://openairdocs.org/faa-place/AR/Rogers), built 1977, S/N 1108
- [N3143C](https://openairdocs.org/aircraft/N3143C): [Auron Chris](https://openairdocs.org/faa-owner/AURON%20CHRIS), [Naples, FL](https://openairdocs.org/faa-place/FL/Naples), built 1977, S/N 1103
- [N3398M](https://openairdocs.org/aircraft/N3398M): [Mott William R](https://openairdocs.org/faa-owner/MOTT%20WILLIAM%20R), [Beach Lake, PA](https://openairdocs.org/faa-place/PA/Beach%20Lake), built 1976, S/N 1037
- [N403TA](https://openairdocs.org/aircraft/N403TA): [J & J Shop Heliair LLC](https://openairdocs.org/faa-owner/J%20%26%20J%20SHOP%20HELIAIR%20LLC), [Laurel, DE](https://openairdocs.org/faa-place/DE/Laurel), S/N 1204
- [N43MH](https://openairdocs.org/aircraft/N43MH): [Korb Thomas M](https://openairdocs.org/faa-owner/KORB%20THOMAS%20M), [Owasso, OK](https://openairdocs.org/faa-place/OK/Owasso), built 1978, S/N 1148
- [N50DR](https://openairdocs.org/aircraft/N50DR): [Adf Helicopters Inc](https://openairdocs.org/faa-owner/ADF%20HELICOPTERS%20INC), [Brewster, WA](https://openairdocs.org/faa-place/WA/Brewster), S/N 1203
- [N51659](https://openairdocs.org/aircraft/N51659): [Hawk Robert S](https://openairdocs.org/faa-owner/HAWK%20ROBERT%20S), [Argyle, TX](https://openairdocs.org/faa-place/TX/Argyle), built 1977, S/N 1098
- [N51723](https://openairdocs.org/aircraft/N51723): [Rhoads Timothy C](https://openairdocs.org/faa-owner/RHOADS%20TIMOTHY%20C), [Logan, NM](https://openairdocs.org/faa-place/NM/Logan), built 1978, S/N 1136
- [N51735](https://openairdocs.org/aircraft/N51735): [Styer David B](https://openairdocs.org/faa-owner/STYER%20DAVID%20B), [Milton Freewater, OR](https://openairdocs.org/faa-place/OR/Milton%20Freewater), built 1978, S/N 1139
- [N51739](https://openairdocs.org/aircraft/N51739): [Quality Aero LLC](https://openairdocs.org/faa-owner/QUALITY%20AERO%20LLC), [East Aurora, NY](https://openairdocs.org/faa-place/NY/East%20Aurora), S/N 1141
- [N51787](https://openairdocs.org/aircraft/N51787): [Holder Michael T](https://openairdocs.org/faa-owner/HOLDER%20MICHAEL%20T), [Whitesburg, GA](https://openairdocs.org/faa-place/GA/Whitesburg), built 1980, S/N 1172
- [N529H](https://openairdocs.org/aircraft/N529H): [Jsh Farms Inc](https://openairdocs.org/faa-owner/JSH%20FARMS%20INC), [Hermiston, OR](https://openairdocs.org/faa-place/OR/Hermiston), built 1976, S/N 1042
- [N554H](https://openairdocs.org/aircraft/N554H): [Southworth Elizabeth A](https://openairdocs.org/faa-owner/SOUTHWORTH%20ELIZABETH%20A), [Igo, CA](https://openairdocs.org/faa-place/CA/Igo), built 1976, S/N 1039
- [N565X](https://openairdocs.org/aircraft/N565X): [Mackechnie Martin J](https://openairdocs.org/faa-owner/MACKECHNIE%20MARTIN%20J), [Palm Harbor, FL](https://openairdocs.org/faa-place/FL/Palm%20Harbor), built 1978, S/N 1138
- [N5687P](https://openairdocs.org/aircraft/N5687P): [Brown Clifford J](https://openairdocs.org/faa-owner/BROWN%20CLIFFORD%20J), [Hoschton, GA](https://openairdocs.org/faa-place/GA/Hoschton), S/N 1167
- [N5690B](https://openairdocs.org/aircraft/N5690B): [K & L Aerial LLC](https://openairdocs.org/faa-owner/K%20%26%20L%20AERIAL%20LLC), [Echo, OR](https://openairdocs.org/faa-place/OR/Echo), built 1979, S/N 1171
- [N5690D](https://openairdocs.org/aircraft/N5690D): [Rolfe Cameron R](https://openairdocs.org/faa-owner/ROLFE%20CAMERON%20R), [San Mateo, CA](https://openairdocs.org/faa-place/CA/San%20Mateo), built 1978, S/N 1154
- [N56926](https://openairdocs.org/aircraft/N56926): [Bitwell Construction LLC](https://openairdocs.org/faa-owner/BITWELL%20CONSTRUCTION%20LLC), [Hartville, OH](https://openairdocs.org/faa-place/OH/Hartville), S/N 1188
- [N5693R](https://openairdocs.org/aircraft/N5693R): [Waters Willie Frank Jr](https://openairdocs.org/faa-owner/WATERS%20WILLIE%20FRANK%20JR), [Willits, CA](https://openairdocs.org/faa-place/CA/Willits), S/N 1194
- [N5694N](https://openairdocs.org/aircraft/N5694N): [Begley Edward](https://openairdocs.org/faa-owner/BEGLEY%20EDWARD), [Glasgow, KY](https://openairdocs.org/faa-place/KY/Glasgow), S/N 1197
- [N5695A](https://openairdocs.org/aircraft/N5695A): [Jacob Ricker](https://openairdocs.org/faa-owner/JACOB%20RICKER), [Ranchester, WY](https://openairdocs.org/faa-place/WY/Ranchester), S/N 1201
- [N5697M](https://openairdocs.org/aircraft/N5697M): [Stanton Mark I](https://openairdocs.org/faa-owner/STANTON%20MARK%20I), [Spokane, WA](https://openairdocs.org/faa-place/WA/Spokane), S/N 1209
- [N5699N](https://openairdocs.org/aircraft/N5699N): [Styer David B](https://openairdocs.org/faa-owner/STYER%20DAVID%20B), [Pendleton, OR](https://openairdocs.org/faa-place/OR/Pendleton), built 1981, S/N 1220
- [N594H](https://openairdocs.org/aircraft/N594H): [Keading Helicopter LLC](https://openairdocs.org/faa-owner/KEADING%20HELICOPTER%20LLC), [Shoshone, ID](https://openairdocs.org/faa-place/ID/Shoshone), built 1977, S/N 1074
- [N595AR](https://openairdocs.org/aircraft/N595AR): [Charlottesville Aero LLC](https://openairdocs.org/faa-owner/CHARLOTTESVILLE%20AERO%20LLC), [Charlottesville, VA](https://openairdocs.org/faa-place/VA/Charlottesville), S/N 1182
- [N59AX](https://openairdocs.org/aircraft/N59AX): [Central Virginia Aviation Inc](https://openairdocs.org/faa-owner/CENTRAL%20VIRGINIA%20AVIATION%20INC), [North Dinwiddie, VA](https://openairdocs.org/faa-place/VA/North%20Dinwiddie), built 1982, S/N 1227
- [N602H](https://openairdocs.org/aircraft/N602H): [King John H](https://openairdocs.org/faa-owner/KING%20JOHN%20H), [Trumansburg, NY](https://openairdocs.org/faa-place/NY/Trumansburg), built 1977, S/N 1077
- [N61GG](https://openairdocs.org/aircraft/N61GG): [Coggin Randall](https://openairdocs.org/faa-owner/COGGIN%20RANDALL), [Longview, TX](https://openairdocs.org/faa-place/TX/Longview), S/N 1178
- [N624H](https://openairdocs.org/aircraft/N624H): [Need For Speed Inc](https://openairdocs.org/faa-owner/NEED%20FOR%20SPEED%20INC), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), built 1977, S/N 1078
- [N646H](https://openairdocs.org/aircraft/N646H): [Styer David B](https://openairdocs.org/faa-owner/STYER%20DAVID%20B), [Milton Freewater, OR](https://openairdocs.org/faa-place/OR/Milton%20Freewater), built 1977, S/N 1099
- [N665H](https://openairdocs.org/aircraft/N665H): [Houchin Thomas J](https://openairdocs.org/faa-owner/HOUCHIN%20THOMAS%20J), [Pittsburgh, PA](https://openairdocs.org/faa-place/PA/Pittsburgh), built 1977, S/N 1093
- [N666CF](https://openairdocs.org/aircraft/N666CF): [Trofimchuck Matthew P](https://openairdocs.org/faa-owner/TROFIMCHUCK%20MATTHEW%20P), [Coal City, IL](https://openairdocs.org/faa-place/IL/Coal%20City), built 1977, S/N 1069
- [N700AT](https://openairdocs.org/aircraft/N700AT): [Moore Stirling](https://openairdocs.org/faa-owner/MOORE%20STIRLING), [Douglas, WY](https://openairdocs.org/faa-place/WY/Douglas), S/N 1193
- [N70719](https://openairdocs.org/aircraft/N70719): [Emerson Frayne](https://openairdocs.org/faa-owner/EMERSON%20FRAYNE), [Stanfield, OR](https://openairdocs.org/faa-place/OR/Stanfield), S/N 1072
- [N800SC](https://openairdocs.org/aircraft/N800SC): [Malcom Scott O](https://openairdocs.org/faa-owner/MALCOM%20SCOTT%20O), [Toledo, WA](https://openairdocs.org/faa-place/WA/Toledo), built 1976, S/N 1067
- [N84DH](https://openairdocs.org/aircraft/N84DH): [Stanton Mark I](https://openairdocs.org/faa-owner/STANTON%20MARK%20I), [Spokane, WA](https://openairdocs.org/faa-place/WA/Spokane), built 1976, S/N 1055
- [N9285](https://openairdocs.org/aircraft/N9285): [November 9285 LLC](https://openairdocs.org/faa-owner/NOVEMBER%209285%20LLC), [Higden, AR](https://openairdocs.org/faa-place/AR/Higden), built 1978, S/N 1003

## NTSB investigations (75, newest 50)

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 ERA26FA077](https://openairdocs.org/ntsb/ERA26FA077), Dec 28, 2025: Enstrom 280 (N280MG), Hammonton, NJ, destroyed, 2 fatal, investigation ongoing
- [NTSB WPR25LA010](https://openairdocs.org/ntsb/WPR25LA010), Oct 9, 2024: Enstrom Helicopter 280C (N646H), Vale, OR, substantial damage. Probable cause: The pilot’s failure to maintain engine and rotor rpm during takeoff, that resulted in a hard landing.
- [NTSB CEN24LA137](https://openairdocs.org/ntsb/CEN24LA137), Mar 16, 2024: Enstrom Helicopter 280C (N280WR), Port Lavaca, TX, substantial damage. Probable cause: The pilot’s improper manual engine mixture management which resulted in a loss of power. Contributing to the accident was the mechanic’s improper setting of the idle mixture adjustment and the…
- [NTSB ERA21LA339](https://openairdocs.org/ntsb/ERA21LA339), Aug 21, 2021: Enstrom 280 (N9285), Port Orange, FL, substantial damage. Probable cause: The failure of the tail rotor drive shaft at the coupling due to torsionally applied shear stress.
- [NTSB CEN18LA167](https://openairdocs.org/ntsb/CEN18LA167), May 10, 2018: Enstrom Helicopter 280C (N67RE), Kerens, TX, substantial damage. Probable cause: The total loss of engine power due to fuel exhaustion and the pilot’s inadequate in-flight fuel management.
- [NTSB WPR14CA101](https://openairdocs.org/ntsb/WPR14CA101), Jan 21, 2014: Enstrom Helicopter 280C (N51683), Showlow, AZ, substantial damage. Probable cause: The pilot's failure to maintain main rotor RPM during the takeoff run in a high density altitude environment, which resulted in a loss of aircraft control and collision with terrain.
- [NTSB WPR09LA261](https://openairdocs.org/ntsb/WPR09LA261), May 25, 2009: Enstrom Helicopter 280C (N5699N), Ogden, UT, substantial damage. Probable cause: The pilot's improper use of the helicopter's collective both during the takeoff sequence and while attempting remedial action in response to an engine over-boost condition, which resulted in a hard…
- [NTSB NYC06LA175](https://openairdocs.org/ntsb/NYC06LA175), Jul 15, 2006: Enstrom 280C (N5691B), Danville, WV, substantial damage. Probable cause: A partial failure of the override clutch assembly. A contributing factor to the accident was the manufacturer's inadequate inspection procedures of the override clutch assembly following a tail rotor…
- [NTSB IAD05LA122](https://openairdocs.org/ntsb/IAD05LA122), Aug 12, 2005: Enstrom 280C (N5691B), Saulsville, WV, substantial damage. Probable cause: The pilot's inadequate remedial action following a loss of control during the landing approach.
- [NTSB IAD05CA027](https://openairdocs.org/ntsb/IAD05CA027), Dec 30, 2004: Enstrom 280C (N175BM), Pedricktown, NJ, substantial damage. Probable cause: The pilot's failure to maintain control of the helicopter during the takeoff and his failure to flare during the autorotation.
- [NTSB IAD05LA031](https://openairdocs.org/ntsb/IAD05LA031), Nov 14, 2004: Enstrom 280C (N51739), Galloo Island, NY, substantial damage. Probable cause: A partial loss of engine power for undetermined reasons. A factor was the pilot's improper decision to operate the helicopter outside the height velocity curve.
- [NTSB MIA03CA106](https://openairdocs.org/ntsb/MIA03CA106), May 10, 2003: Enstrom 280C (N51752), Panama City Bch, FL, substantial damage. Probable cause: The pilot's failure to maintain adequate rotor rpm and altitude during takeoff which resulted in the helicopter impacting the water during a descent in an attempt to maintain rotor rpm.
- [NTSB CHI02LA256](https://openairdocs.org/ntsb/CHI02LA256), Aug 25, 2002: Enstrom 280C (N51689), Coopersville, MI, substantial damage. Probable cause: The pilot's failure to maintain clearance from the transmission wires. Additional factors were the transmission wires and the sunglare.
- [NTSB DEN00LA113](https://openairdocs.org/ntsb/DEN00LA113), Jun 17, 2000: Enstrom 280CB (N440RB), Ruidoso, NM, substantial damage. Probable cause: the loss of engine power as a result of fuel exhaustion due to the pilot's inadequate preflight planning. A contributing factor was the pilot's lack of experience in the model of helicopter.
- [NTSB CHI00LA002](https://openairdocs.org/ntsb/CHI00LA002), Oct 2, 1999: Enstrom EN-28 (N602H), Indianapolis, IN, substantial damage. Probable cause: The pilot's attempted operation of the helicopter with known deficiencies, and his improper autorotation to landing. Factors were one fouled spark plug and another partially failed spark plug in the…
- [NTSB DEN99LA173](https://openairdocs.org/ntsb/DEN99LA173), Sep 30, 1999: Enstrom 280C (N84DH), Longmont, CO, substantial damage. Probable cause: An inaccurate touchdown during a full autorotation, which resulted in main rotor flex which cut off the tail boom. Factors were the pilot's lack of total experience in helicopters and high density…
- [NTSB DEN99LA084](https://openairdocs.org/ntsb/DEN99LA084), May 22, 1999: Enstrom 280C (N535H), Baggs, WY, substantial damage. Probable cause: The pilot not maintaining the main rotor's RPM. Factor's were the high density altitude, and the mountainous/hilly terrain.
- [NTSB NYC98LA079](https://openairdocs.org/ntsb/NYC98LA079), Mar 20, 1998: Enstrom F280F (N66JV), New Alexandria, PA, substantial damage. Probable cause: A bird strike.
- [NTSB NYC97LA097](https://openairdocs.org/ntsb/NYC97LA097), May 21, 1997: Enstrom 280-C (N613LG), Clarksburg, NJ, no damage. Probable cause: The pilot's failure to maintain adequate clearance from the hangar.
- [NTSB IAD97GA049](https://openairdocs.org/ntsb/IAD97GA049), Feb 19, 1997: Enstrom 280C (N51662), Lucasville, OH, substantial damage. Probable cause: The pilot in command failure to maintain rotor rpm.
- [NTSB FTW96LA291](https://openairdocs.org/ntsb/FTW96LA291), Jul 3, 1996: Enstrom 280C (N51763), Castle Rock, CO, substantial damage. Probable cause: Total failure of the magneto. A factor was the pilot operating the helicopter with a known deficiency.
- [NTSB CHI96LA205](https://openairdocs.org/ntsb/CHI96LA205), Jun 15, 1996: Enstrom 280C (N557H), Lambertville, MI, substantial damage. Probable cause: a total loss of engine power as a result of fuel exhaustion due to the pilot's inadequate preflight, and the pilot's misjudged distance/altitude during the subsequent autorotation. A factor was…
- [NTSB NYC96FA003](https://openairdocs.org/ntsb/NYC96FA003), Oct 6, 1995: Enstrom 280C (N976BT), Quakertown, PA, destroyed, 2 fatal. Probable cause: improper installation of the magneto by maintenance personnel, which resulted in the loss of ignition and the loss of engine power. A factor relating to the accident was: the lack of suitable terrain…
- [NTSB FTW95LA356](https://openairdocs.org/ntsb/FTW95LA356), Aug 21, 1995: Enstrom 280C (N911BT), Houston, TX, substantial damage. Probable cause: THE FLIGHT INSTRUCTOR'S POOR JUDGEMENT, AND HIS DISREGARD OF THE OWNER'S OBJECTION TO AIR TAXI INTO THE HANGAR.
- [NTSB SEA95LA118](https://openairdocs.org/ntsb/SEA95LA118), Jun 14, 1995: Enstrom 280C (N51657), The Dalles, OR, substantial damage. Probable cause: A PARTIAL LOSS OF ENGINE POWER DUE TO ONE SET OF IGNITION POINTS BECOMING LOOSE DURING FLIGHT. FACTORS INCLUDED THE LOW ALTITUDE FLIGHT AND MANEUVERING REQUIRED TO CONDUCT THE OPERATION AND THE…
- [NTSB LAX94LA239](https://openairdocs.org/ntsb/LAX94LA239), Jun 5, 1994: Enstrom 280C (N123MT), California City, CA, substantial damage. Probable cause: the pilot's inadequate compensation for the gusty wind conditions and his subsequent failure to maintain control of the helicopter.
- [NTSB NYC93LA109](https://openairdocs.org/ntsb/NYC93LA109), Jun 9, 1993: Enstrom 280C (N51739), Glen Mills, PA, substantial damage. Probable cause: AN IMPROPERLY PLANNED APPROACH IN WHICH THE FLARE WAS NOT ATTAINED, AND WHICH RESULTED IN A HARD LANDING.
- [NTSB SEA91LA128](https://openairdocs.org/ntsb/SEA91LA128), Jun 7, 1991: Enstrom F280C (N5695Y), Baggs, WY, substantial damage. Probable cause: EXHAUST VALVE FAILURE, RESULTING IN A PARTIAL POWER LOSS. CONTRIBUTING FACTORS WERE LOW ALTITUDE AND ROUGH/UNEVEN TERRAIN.
- [NTSB LAX90LA121](https://openairdocs.org/ntsb/LAX90LA121), Mar 18, 1990: Enstrom F-28C (N554H), Canyon Lake, CA, substantial damage. Probable cause: THE PILOT TO MAINTAIN PROPER ROTOR RPM DURING A PRACTICE AUTOROTATION. CONTRIBUTING TO THE ACCIDENT WAS THE UNEVEN TERRAIN SELECTED BY THE PILOT TO CONDUCT PRACTICE TOUCH MANEUVERS.
- [NTSB DEN89LA120](https://openairdocs.org/ntsb/DEN89LA120), May 17, 1989: Enstrom 280C (N624H), Colorado Spgs, CO, substantial damage. Probable cause: INADEQUATE COMPENSATION FOR THE WIND CONDITIONS BY THE PILOT. THE HIGH DENSITY ALTITUDE AND WIND CONDITIONS WERE CONTRIBUTING FACTORS.
- [NTSB DEN88LA163](https://openairdocs.org/ntsb/DEN88LA163), Jul 19, 1988: Enstrom 280C (N111CD), Glendive, MT, substantial damage
- [NTSB LAX88FA140](https://openairdocs.org/ntsb/LAX88FA140), Mar 27, 1988: Enstrom 280C (N5692P), Fremont, CA, substantial damage. Probable cause: FAILURE OF THE ENGINE TO MAIN ROTOR DRIVE SYSTEM DUE TO A DRIVE BELT SLIPPAGE CAUSED BY A DRIVE PULLEY WORN BEYOND ITS SERVICE LIMIT. CONTRIBUTING TO THE ACCIDENT WAS THE INADEQUATE FACTORY…
- [NTSB DEN87LA245](https://openairdocs.org/ntsb/DEN87LA245), Sep 26, 1987: Enstrom 280C (N5692D), Bountiful, UT, destroyed
- [NTSB NYC87LA012](https://openairdocs.org/ntsb/NYC87LA012), Dec 11, 1986: Enstrom 280C (N647H), Newport, RI, substantial damage, 1 fatal
- [NTSB LAX86LA291](https://openairdocs.org/ntsb/LAX86LA291), Jul 13, 1986: Enstrom EN-280-C (N5692P), Los Altos, CA, substantial damage
- [NTSB NYC86LA128](https://openairdocs.org/ntsb/NYC86LA128), May 14, 1986: Enstrom F-28C (N100WZ), Ephrata, PA, substantial damage
- [NTSB NYC86LA107](https://openairdocs.org/ntsb/NYC86LA107), Apr 18, 1986: Enstrom F-280C (N51721), Ridgefield, NJ, substantial damage
- [NTSB NYC85LA143](https://openairdocs.org/ntsb/NYC85LA143), Jun 9, 1985: Enstrom 280C (N5694Y), S.Woodstock, VT, substantial damage
- [NTSB NYC85FA015](https://openairdocs.org/ntsb/NYC85FA015), Oct 28, 1984: Enstrom 280C (N51686), Butler, PA, destroyed, 2 fatal
- [NTSB DEN84LA271](https://openairdocs.org/ntsb/DEN84LA271), Aug 29, 1984: Enstrom 280C (N4992M), Bluffdale, UT, substantial damage
- [NTSB SEA84FA063](https://openairdocs.org/ntsb/SEA84FA063), Feb 29, 1984: Enstrom 280C (N51715), Middleton, ID, destroyed, 2 fatal
- [NTSB CHI83LA436](https://openairdocs.org/ntsb/CHI83LA436), Sep 21, 1983: Enstrom 280C (N5692L), Pontiac, MI, substantial damage
- [NTSB SEA83LA194](https://openairdocs.org/ntsb/SEA83LA194), Aug 25, 1983: Enstrom 280C (N999TP), N. Hailey, ID, substantial damage
- [NTSB SEA83FA135](https://openairdocs.org/ntsb/SEA83FA135), Jun 28, 1983: Enstrom 280C (N652H), Kent, WA, substantial damage
- [NTSB FTW83LA287](https://openairdocs.org/ntsb/FTW83LA287), Jun 17, 1983: Enstrom 280C (N51738), Frisco, TX, substantial damage
- [NTSB NYC83FNC05](https://openairdocs.org/ntsb/NYC83FNC05), Jun 2, 1983: Enstrom 280C (N587H), New Market, NH, substantial damage
- [NTSB FTW83FA251](https://openairdocs.org/ntsb/FTW83FA251), May 28, 1983: Enstrom 280C (N56932), Opelousas, LA, substantial damage, 1 fatal
- [NTSB LAX83LA248](https://openairdocs.org/ntsb/LAX83LA248), May 24, 1983: Enstrom 280C (N51763), Goshen, CA, substantial damage
- [NTSB LAX83LA134](https://openairdocs.org/ntsb/LAX83LA134), Mar 11, 1983: Enstrom F280C (N5691H), Concord, CA, substantial damage
- [NTSB SEA83FYM02](https://openairdocs.org/ntsb/SEA83FYM02), Dec 17, 1982: Enstrom 280C (N5686Z), North Plains, OR, destroyed, 2 fatal

All 75: https://openairdocs.org/model/enstrom-helicopter-280c/ntsb.md

## FAA accident and incident reports (97, newest 50)

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 20251228019722A](https://openairdocs.org/incident/20251228019722A), Dec 28, 2025: Enstrom Helicopter Corp 280C (N280MG), Hammonton, NJ, Destroyed, 1 fatal. Enstrom 280C helicopter collided mid-air with an Enstrom F-28A helicopter after departure from N81. Both helicopters observed to be flying in close proximity…
- [Accident 20241009013799A](https://openairdocs.org/incident/20241009013799A), Oct 9, 2024: Enstrom Helicopter Corp 280C (N646H), Vale, OR, Substantial damage. Pilot refueling on top of fuel truck Had a quartering tailwind, not enough power for takeoff Pilot drooped the rotor, had a hard landing and main rotor blade…
- [Accident 20240313004729A](https://openairdocs.org/incident/20240313004729A), Mar 13, 2024: Enstrom Helicopter Corp 280C (N280WR), Port Lavaca, TX, Substantial damage. Aircraft lifted off for a reposition on pilots own property. During the reposition side slip additional power was commanded to clear the concrete helipad.…
- [Accident 20210821022239A](https://openairdocs.org/incident/20210821022239A), Aug 21, 2021: Enstrom Helicopter Corp 280C (N9285), Port Orange, FL, Substantial damage. On August 21, 2021, about 1330 eastern daylight time, an Enstrom 280C, N9285, was substantially damaged from a accident in daytona beach, Florida. The Pilot…
- [Accident 20180510007749A](https://openairdocs.org/incident/20180510007749A), May 10, 2018: Enstrom Helicopter Corp 280C (N67RE), Kerens, TX, Substantial damage. At 1630 [privacy data omitted] departed woods county airport mineola, TX for his Private reseidence near Kerens, TX. At 1752 Mr. Dow heard a loud pop and lost…
- [Incident 20161021024959I](https://openairdocs.org/incident/20161021024959I), Oct 21, 2016: Enstrom Helicopter Corp 280C (N9285), Long Beach, CA, Minor damage. On October 21, 2016, at about 1455 pacific daylight time (PDT) a Enstrom model 280C, U.S. Registration number N9285 sustained minor damage in the form of a…
- [Accident 20140121002099A](https://openairdocs.org/incident/20140121002099A), Jan 21, 2014: Enstrom Helicopter Corp 280C (N51683), Show Low, AZ, Substantial damage. Pilot was flying with one passenger to glendale airport, AZ from double eagle airport, NM when he made a fuel stop at Show Low airport, AZ. After topping off…
- [Incident 20120911018479I](https://openairdocs.org/incident/20120911018479I), Sep 11, 2012: Enstrom Helicopter Corp 280C (N800SC), Caldwell, ID, Minor damage. The pilot was practicing full down autorotations at a grass strip. The skids contacted some dirt and the helicopter rocked forward. As the rear skids came back…
- [Accident 20090525006409A](https://openairdocs.org/incident/20090525006409A), May 25, 2009: Enstrm 280C (N5699N), Ogden, UT, Substantial damage. On may 25, 2009 at 1130 MST an Enstrom F28-280C N5699N tried to depart Ogden, UT (ogd) for a part 91 pleasure flight. As reported by the PIC the preflight and…
- [Accident 20060715022609A](https://openairdocs.org/incident/20060715022609A), Jul 15, 2006: Enstrm 280C (N5691B), Danville, WV, Substantial damage. (-23) According to his written statement, the pilot said while on a solo cross country flight he heard a "loud snap" and experienced a 5 to 10 degree right…
- [Accident 20050812024459A](https://openairdocs.org/incident/20050812024459A), Aug 12, 2005: Enstrm 280C (N5691B), Saulsville, WV, Minor damage. (-23) Upon landing at a heli-pad at southern west Virginia community college, Saulsville, WV the aircraft began a slow yaw to the right at approximately 40…
- [Accident 20041230034909A](https://openairdocs.org/incident/20041230034909A), Dec 30, 2004: Enstrm 280C (N175BM), Pedrictown, NJ, Substantial damage. (-23) The pilot made a normal takeoff and began a cyclic climb. He cleared the area to the right before turning crosswind and became distracted. When the pilot…
- [Accident 20041114035289A](https://openairdocs.org/incident/20041114035289A), Nov 14, 2004: Enstrm 280C (N51739), Galloo Island, NY, Substantial damage. (-23) Helicopter was being used to phtograph deer on the western end of Galloo Island. Altitude was approx. 80' during orbit of area while photographer was…
- [Incident 20041026033369I](https://openairdocs.org/incident/20041026033369I), Oct 26, 2004: Enstrm 280C (N51657), Monroe, LA, Minor damage. (-23) Pilot enroute from Monroe, LA to minden, LA in cruise flight, engine quit. Pilot performed an autorotation to the median of interstate 20. On landing…
- [Accident 20030510008179A](https://openairdocs.org/incident/20030510008179A), May 10, 2003: Enstrm 280C (N51752), Panama City, AL, Substantial damage. (-23) Pilot stated: on take off pilot lifted helicopter to hover and started take off, then helicopter started to lose altitude. Pilot added power but aircraft…
- [Accident 20020825024239A](https://openairdocs.org/incident/20020825024239A), Aug 25, 2002: Enstrm 280C (N51689), Eastmanville, MI, Destroyed. (-23) Pilot while flying low over a river struck wire that was strung across river and not visible to the pilot. At time of accident pilot was flying west and…
- [Incident 20011212033819I](https://openairdocs.org/incident/20011212033819I), Dec 12, 2001: Enstrm 280C (N123MT), Callaway, MD, Minor damage. (-23) Pilot experienced loss of RPM, executed autorotation, struck tail rotor when on ground, damaged tail rotor, skid during hard landing. No injuries.
- [Accident 20000617010289A](https://openairdocs.org/incident/20000617010289A), Jun 17, 2000: Enstrm 280C (N440RB), Ruidoso, NM, Substantial damage. (-23) On June 17, 2000, approximately 1500 mountain daylight time, an Enstrom 280C helicopter, N440RB, was substantially damaged following an autorotation near…
- [Accident 19991002032089A](https://openairdocs.org/incident/19991002032089A), Oct 2, 1999: Enstrm 280C (N602H), Indianapolis, IN, Substantial damage. (.19) On October 2, 1999, at 1040 eastern standard time, an Enstrom EN-28, N602H, sustained substantial damage during an autorotational landing in a field,…
- [Accident 19990929047519A](https://openairdocs.org/incident/19990929047519A), Sep 29, 1999: Enstrm 280C (N84DH), Longmont, CO, Substantial damage. (.4) While practicing autorotations, the pilot, who was a commercial pilot in single and multiengine aircraft but a student pilot in helicopters, experienced a…
- [Accident 19990522005529A](https://openairdocs.org/incident/19990522005529A), May 22, 1999: Enstrm 280C (N535H), Baggs, WY, Substantial damage. 1976 Enstrom 280C helicopter was involved in predator control when it landed hard and severed the tail boom. (-23) while conducting preditor control 25 miles…
- [Accident 19980320007409A](https://openairdocs.org/incident/19980320007409A), Mar 20, 1998: Enstrm 280C (N66JV), Latrobe, PA, Substantial damage. Hovering low altitude to note settleing with power had commenced. Impacted ground. (.4)the helicopter started to descend from a stabilized 20-foot hover, and…
- [Accident 19970521011649A](https://openairdocs.org/incident/19970521011649A), May 21, 1997: Enstrm 280C (N613LG), Clarksburg, NJ, Destroyed. Helcopter crashed during high wind conditions.
- [Accident 19970219001689A](https://openairdocs.org/incident/19970219001689A), Feb 19, 1997: Enstrm 280C (N51662), Lucasville, OH, Substantial damage. Crashed on police search mission. Pilot allowed rotor RPM decay low altitude. (-23) on February 19, 1997, at 0202 EST, an Enstrom 280C, N51662, registered to…
- [Incident 19970123012519I](https://openairdocs.org/incident/19970123012519I), Jan 23, 1997: Enstrm 280C (N5699N), Ogden, UT, Minor damage. Narrative: rotorcraft experienced a main rotor strike to the upper stabilizer fin cover during transition from a hover to landing. This incident occured on…
- [Accident 19960703016019A](https://openairdocs.org/incident/19960703016019A), Jul 3, 1996: Enstrm 280C (N51763), Castlerock, CO, Destroyed. Loss engine power in level flight, accomplished autorotation for landing. On landing spun sideway.
- [Accident 19960615022739A](https://openairdocs.org/incident/19960615022739A), Jun 15, 1996: Enstrm 280C (N557H), Lambertville, MI, Substantial damage. (.4)The pilot reported that after setting cruise power a total loss of engine power occurred and an off-airport landing was made. During the landing the…
- [Accident 19951006036129A](https://openairdocs.org/incident/19951006036129A), Oct 6, 1995: Enstrm 280C (N976BT), Quakertown, PA, Destroyed, 2 fatal. In flight heard three pops. Rotors slowed. Blades coned upwards. Dropped. Magneto clips came off.
- [Accident 19950821026639A](https://openairdocs.org/incident/19950821026639A), Aug 21, 1995: Enstrm 280C (N911BT), Houston, TX, Substantial damage. CFI hover taxied into hangar. Got an updraft off floor. Rose up. Rotors destroyed hitting hangar trusses.
- [Incident 19950813023159I](https://openairdocs.org/incident/19950813023159I), Aug 13, 1995: Enstrm 280C (N613LG), Denville, NJ, Minor damage. Smoke from instrument panel. Struck trees landing. Overvoltage condition due lack of relay. AD for adding it issued
- [Accident 19950614047169A](https://openairdocs.org/incident/19950614047169A), Jun 14, 1995: Enstrm 280C (N51657), The Dalles, OR, Substantial damage. Low and slow blow drying trees lost power. Landed hard open area. Loose magneto. Points not secured.
- [Incident 19941113045129I](https://openairdocs.org/incident/19941113045129I), Nov 13, 1994: Enstrm F28C (N5693R), Lincoln, CA. Tail rotor failure. Autorotated safely. Broken tail rotor pitch link.
- [Incident 19941022042699I](https://openairdocs.org/incident/19941022042699I), Oct 22, 1994: Enstrm 280C (N829PT), Centerville, OH, Minor damage. Allowed rotor speed decay. On climbout further decay to miss wires. Hard landing. No low RPM warning light or horn.
- [Accident 19940605013769A](https://openairdocs.org/incident/19940605013769A), Jun 5, 1994: Enstrm 280C (N123MT), California City, CA, Substantial damage. Hovering in strong gusty wind. Lost control. Helicopter rolled over. Possible dynamic rollover a factor.
- [Incident 19930905040899I](https://openairdocs.org/incident/19930905040899I), Sep 5, 1993: Enstrm 280C (N51723), Del Mar, CA, Minor damage. While practicing autorotations pilot allowed tail rotor to strike the ground. Landed safely.
- [Accident 19930609017699A](https://openairdocs.org/incident/19930609017699A), Jun 9, 1993: Enstrm 280C (N51739), Glen Mills, PA, Substantial damage. Main rotors chopped off tailboom on a hard landing.
- [Incident 19920612034619I](https://openairdocs.org/incident/19920612034619I), Jun 12, 1992: Enstrm 280C (N579H), Cresent, WA, Minor damage. Engine started losing power while drying a cherry orchard with rotor downwind. Set down between trees.
- [Incident 19910710032739I](https://openairdocs.org/incident/19910710032739I), Jul 10, 1991: Enstrm 280C (N5693A), Nahma Junction, MI, Minor damage. Truck pulled into flight path on takeoff. Caused pilot to increase collective pitch. Made hard landing.
- [Incident 19910701037059I](https://openairdocs.org/incident/19910701037059I), Jul 1, 1991: Enstrm 280C (N51689), West Chicago, IL. Vibration after takeoff. Elected to land off airport. Bearing on main rotor grip had failed.
- [Accident 19910607030589A](https://openairdocs.org/incident/19910607030589A), Jun 7, 1991: Enstrm 280C (N5695Y), Baggs, WY, Substantial damage. Loud noise low altitude flight. Setdown hard tall weeds. Rotors. Chopped tail. NR3 valve broke destroyed plugs turb
- [Incident 19910209022569I](https://openairdocs.org/incident/19910209022569I), Feb 9, 1991: Enstrm 280C (N529H), Jenks, OK, Minor damage. Engine cutting out in flight. Autorotation to field. Gauges showed fuel that was unusable.
- [Incident 19901021055079I](https://openairdocs.org/incident/19901021055079I), Oct 21, 1990: Enstrm 280C (N562H), Mt St Helems, WA, Minor damage. During external load work,pilot made hard landing after load snagged a tree. Area was mountainous terrain.
- [Incident 19900704041129I](https://openairdocs.org/incident/19900704041129I), Jul 4, 1990: Enstrm 280C (N51752), West Jordan, UT, Minor damage. Engine quit. Auto-rotated into field. Both sets of point cam followers of magneto were melted.
- [Accident 19900318004679A](https://openairdocs.org/incident/19900318004679A), Mar 18, 1990: Enstrm 280C (N554H), Canyon Lake, CA, Substantial damage. Allowed rotor RPM decay on flare for practice autorotation landing. Collapsed skid on impact. Rotor hit tailboom
- [Accident 19890517011689A](https://openairdocs.org/incident/19890517011689A), May 17, 1989: Enstrm 280C (N624H), Colorado Spring, CO, Substantial damage. Tried to taxi after landing to a hover. Speed lowered collective too soon. Rolled.
- [Incident 19890507019229I](https://openairdocs.org/incident/19890507019229I), May 7, 1989: Enstrm 280C (N5691W), Lewiston, ME, Minor damage. Landed in clearing, got out to survey area with idling rotors. Tailboom hit ground severing tail rotor drive shaft.
- [Accident 19880719028449A](https://openairdocs.org/incident/19880719028449A), Jul 19, 1988: Enstrm 280C (N111CD), Glendive, MT, Substantial damage. Drop in RPM while in hovering turn. Unable to correct. Landed in gully and entered dynamic rollover. No malfunction
- [Accident 19880327008969A](https://openairdocs.org/incident/19880327008969A), Mar 27, 1988: Enstrm 280C (N5692P), Fremont, CA, Substantial damage. Worn main rotor drive pulley allowed belt slippage and rotor decay. Unable to arrest autorotation descent. Crashed.
- [Incident 19880305014469I](https://openairdocs.org/incident/19880305014469I), Mar 5, 1988: Enstrm 280C (N5692P), San Jose, CA, Minor damage. Precautionary landing in an open field due to a hung starter. Tapped solenoid and starter disengaged. Took off.
- [Accident 19870926056559A](https://openairdocs.org/incident/19870926056559A), Sep 26, 1987: Enstrm 280C (N5692D), Bountiful, UT, Destroyed. Struck powerlines while maneuvering at a low altitude and crashed. Pilots medical and flight review not current.

All 97: https://openairdocs.org/model/enstrom-helicopter-280c/incidents.md

## Service difficulty reports (22)

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

- [SDR PNR2004F00002](https://openairdocs.org/sdr/PNR2004F00002), May 19, 2004: DOUBLER. CRACKED. BULKHEAD DOUBLER UNDER NR 3 TAILROTOR DRIVESHAFT PILLOW BLOCK FOUND CRACKED. CRACKS WERE PROPAGATING FROM THE RADIUS AREA ON BOTH UPPER TABS WERE THE NUT PLATES
- [SDR PNR2004F00001](https://openairdocs.org/sdr/PNR2004F00001), May 19, 2004: BEARING. DELAMINATED. PILOTS COMPLAINED ABOUT HEAVY COLLECTIVE AND EXCESSIVE AMOUNT OF RT COLLECTIVE INPUT TO FLY. UPON INSPECTION OF THE LAMIFLEX BEARINGS, IT WAS DISCOVERED THAT TH
- [SDR 2003FA0001065](https://openairdocs.org/sdr/2003FA0001065), Oct 2, 2003: CONTROL CABLE. WORN. BOTH REAR TAIL ROTOR CONTROLS CABLES WERE WORN WHERE THEY PASS THROUGH PLASTIC FAIR-LEADS IN AFT BULKHEAD OF TAIL BOOM. BOTH WERE WORN TO 40-50 PERCENT INSP CRI
- [SDR 2003FA0001064](https://openairdocs.org/sdr/2003FA0001064), Oct 2, 2003: CLUTCH. WORN. ON DRIVE BELT CLUTCH MECHANISM, THE SPRING HAD WORN THROUGH THE SIDE OF THE HOUSING FROM MANY HOURS OF RUBBING BACK AND FORTH. THE ABOVE MENTIONED SPRING AND TH
- [SDR 6462003F00000](https://openairdocs.org/sdr/6462003F00000), Jun 1, 2003: CONTROL CABLE. WORN. BOTH LEFT AND RIGHT TAIL ROTOR CONTROL CABLES SHOW EXCESS WEAR, WHERE THEY PASS THRU THE FAIRLEADS IN THE AFT TALL CONE BULKHEAD. CABLES HAVE BEEN WEARING IN TH
- [SDR 2002FA0000586](https://openairdocs.org/sdr/2002FA0000586), Mar 1, 2002: CONNECTING ROD. FAILED. NR 2 CONNECTING ROD BOLT FAILED CAUSING CONNECTING ROD TO GO THROUGH CRANK CASE CAUSING MAJOR ENGINE FAILURE. ENGINE DESTROYED. TOP OF BOLT FAILED CAUSING ROD C
- [SDR 2003FA0000350](https://openairdocs.org/sdr/2003FA0000350), Jan 4, 2002: LINE. BROKEN. THE TUBE FAILED INSIDE THE FERRULE ON THE ENGINE DRIVEN FUEL PUMP FITTING DUE TO RUBBING AND VIBRATION. FAILURE WAS FOUND AFTER PILOT COMPLAINED OF LOW M.A.P., 
- [SDR 2001FA0000685](https://openairdocs.org/sdr/2001FA0000685), Dec 11, 2001: VALVE SEAT. LOOSE. NUMBER 4 CYLINDER HAD AN INTAKE VALVE SEAT COME LOOSE AND THE PISTON HAD BROKEN RINGS. SUBSEQUENT LOSS OF POWER.
- [SDR AUS20010724](https://openairdocs.org/sdr/AUS20010724), May 25, 2001: BEARING. FAILED. (AUS) MAIN ROTOR HEAD LAMIFLEX BEARING FAILED. SUSPECT CAUSED BY GREASE CONTAMINATION.
- [SDR 20000505SH030](https://openairdocs.org/sdr/20000505SH030), Apr 18, 2000: GEAR. BROKEN. PILOT REPORTED NOT BEING ABLE TO SEE OIL LEVEL IN SIGHT GLASS. WHEN SIGHT GLASS REMOVED, A PIECE OF GEAR SET (TOOTH) ABOUT .4375 INCH LONG WAS FOUND INSIDE. ACF
- [SDR 99ZZZX2944](https://openairdocs.org/sdr/99ZZZX2944), Jul 1, 1999: OIL COOLER. DAMAGED. ALTERNATOR WAS INSTALLED ON THE AIRCRAFT WITHOUT REMOVING THE COOLING FAN FROM THE ALTERNATOR PER THE ENSTROM MM. FAN THREW A BLADE WHICH PUNCTURED THE OIL COOL
- [SDR 99ZZZX2943](https://openairdocs.org/sdr/99ZZZX2943), Jul 1, 1999: ALTERNATOR. MISINSTALLED. ALTERNATOR WAS INSTALLED ON THE AIRCRAFT WITHOUT REMOVING THE COOLING FAN FROM THE ALTERNATOR PER THE ENSTROM MM. FAN THREW A BLADE WHICH PUNCTURED THE OIL COOL
- [SDR AU980382](https://openairdocs.org/sdr/AU980382), Apr 8, 1998: BEARING. FAILED. (AUS) MAIN ROTOR HUB `LAMAFLEX' BEARING FAILED IN-FLIGHT.
- [SDR 98ZZZX1111](https://openairdocs.org/sdr/98ZZZX1111), Feb 19, 1998: STRUT BEARING. CRACKED. CAGE OF UPPER JACK STRUT BEARING WAS FOUND BROKEN DURING ANNUAL INSPECTION WHILE GREASING BEARING. THIS WAS THE SECOND BEARING FOUND IN THIS CONDITION. IT SHOUL
- [SDR 99ZZZX342](https://openairdocs.org/sdr/99ZZZX342), Oct 10, 1997: CYLINDER. DAMAGED. DURING ANNUAL INSPECTION, 10-10-97, FOUND NR 2 CYLINDER COMPRESSION WAS LOW. AFTER INSPECTION OF CYLINDER, INTAKE VALVE SEAT WAS FOUND LOOSE, INTAKE VALVE WAS B
- [SDR 99ZZZX341](https://openairdocs.org/sdr/99ZZZX341), Oct 10, 1997: STUD. DAMAGED. DURING ANNUAL INSPECTION, 10-10-97, NR 2 CYLINDER COMPRESSION LOW. AFTER INSPECTION OF CYLINDER, FOUND INTAKE VALVE SEAT LOOSE AND VALVE BURNT. SUBMITTER STATED
- [SDR 97ZZZX2836](https://openairdocs.org/sdr/97ZZZX2836), May 1, 1997: WINDSHIELD. CRACKED. DURING ENGINE START ON A COLD MORNING, RT WINDSHIELD CRACKED APPROXIMATELY 14 INCHES FROM CENTER WINDSHIELD ANCHORING STRIP TOWARD OUTBOARD OF AIRCRAFT. POSSIBL
- [SDR 97ZZZX1911](https://openairdocs.org/sdr/97ZZZX1911), Mar 1, 1997: WINDSHIELD. CRACKED. OUTSIDE AIR TEMP (27 DEGREES FAHRENHEIT). ON ENGI\EEN START-UP, WINDHSIELD CRACKED HORIZONTALLY APROXIMATELY 14 INCHES ONE-THIRD OF THE WAY UP FROM BOTTOM. CRAC
- [SDR CA960715008](https://openairdocs.org/sdr/CA960715008), Jul 4, 1996: DAMPER. SHEARED BOLT. (CAN) BOLT FOUND SHEARED IN TWO AT THE ATTACHMENT TO THE MAIN ROTOR HUB.
- [SDR AU960515](https://openairdocs.org/sdr/AU960515), Jan 26, 1996: PIPE. WRONG PART. (AUS) NO1 CYLINDER EXHAUST VALVE SEAT DROPPED CONTACTING THE PISTON AND CAUSING CYLINDER FAILURE - ENGINE WAS BULK STRIPPED AND INVESTIGATION OF NO1 CYLINDER AS
- [SDR 96ZZZX1027](https://openairdocs.org/sdr/96ZZZX1027), Dec 12, 1995: REGULATOR. SHORTED. VOLTAGE REGULATOR SHORTED OUT CAUSING RUN AWAY ALTERNATOR. REPLACED REGULATOR. SUBMITTER SUGGESTS NEW PART NUMBER REGULATOR, ELD-069-11.
- [SDR 95ZZZX6199](https://openairdocs.org/sdr/95ZZZX6199), May 13, 1995: CONTROL. NOT INSTALLED. FOLLOWING REBUILD, HELICOPTER WAS RETURNED TO SERVICE WITHOUT THE OVERVOLTAGE CONTROL INSTALLED. REGULATOR SPIKED AND COOKED RADIOS AND GYROS. CABIN FILLED WITH

## STCs that may be installed (OpenAirDocs) (40)

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 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 SH1461CE](https://openairdocs.org/stc/SH1461CE): Installation of a Nite Sign Model H47B-1 Electronic Aerial Billboard. Sky Sign Inc
- [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 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 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 SR00179DE](https://openairdocs.org/stc/SR00179DE): Installation of Oilamatic preoiler system. Oilamatic 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 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.

- [Eulberg Lawrence H 280C](https://openairdocs.org/model/eulberg-lawrence-h-280c): 0 registered aircraft, registry code 05618K2

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