# Allison 250 SER 250HP

- Type: Engine model (FAA registry)
- Registry codes: 03002, 03003
- Manufacturer (registry): ALLISON
- Model: 250 SER 250HP
- Engine type: Turbo-shaft
- Power: 250 hp
- Installed in: 205 registered aircraft
- Page: https://openairdocs.org/engine/allison-250-ser-250hp

Model codes come from the FAA registry's reference file. The FAA lists this model under more than one registry code, usually for different spellings of the maker. This page covers them all.

## ADs that may apply (OpenAirDocs)

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

None matched.

## Registered aircraft (205, first 50)

- [N101AE](https://openairdocs.org/aircraft/N101AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 1980, S/N 45454
- [N102SH](https://openairdocs.org/aircraft/N102SH): [Scotts Helicopter Services Inc](https://openairdocs.org/faa-owner/SCOTTS%20HELICOPTER%20SERVICES%20INC), [Le Sueur, MN](https://openairdocs.org/faa-place/MN/Le%20Sueur), built 1971, S/N 7762
- [N102SU](https://openairdocs.org/aircraft/N102SU): [Signature Property Holdings LLC](https://openairdocs.org/faa-owner/SIGNATURE%20PROPERTY%20HOLDINGS%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), S/N 700736D
- [N103AE](https://openairdocs.org/aircraft/N103AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 1981, S/N 45597
- [N103NJ](https://openairdocs.org/aircraft/N103NJ): [Usda Forest Service Fepp](https://openairdocs.org/faa-owner/USDA%20FOREST%20SERVICE%20FEPP), [Trenton, NJ](https://openairdocs.org/faa-place/NJ/Trenton), built 1969, S/N 361
- [N104TV](https://openairdocs.org/aircraft/N104TV): [Fdfah LLC](https://openairdocs.org/faa-owner/FDFAH%20LLC), [Chula Vista, CA](https://openairdocs.org/faa-place/CA/Chula%20Vista), built 1978, S/N 2379
- [N105LP](https://openairdocs.org/aircraft/N105LP): [Enright Arne P Trustee](https://openairdocs.org/faa-owner/ENRIGHT%20ARNE%20P%20TRUSTEE), [Ward Cove, AK](https://openairdocs.org/faa-place/AK/Ward%20Cove), built 1980, S/N 3068
- [N10699](https://openairdocs.org/aircraft/N10699): [Smith James E Trustee](https://openairdocs.org/faa-owner/SMITH%20JAMES%20E%20TRUSTEE), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell), built 1979, S/N 2857
- [N106ZZ](https://openairdocs.org/aircraft/N106ZZ): [Brown Helicopter Inc](https://openairdocs.org/faa-owner/BROWN%20HELICOPTER%20INC), [Pensacola, FL](https://openairdocs.org/faa-place/FL/Pensacola), built 1970, S/N 508
- [N10729](https://openairdocs.org/aircraft/N10729): [Philomath, OR](https://openairdocs.org/faa-place/OR/Philomath), built 1979, S/N 2876, Sale reported, canceled
- [N1075Y](https://openairdocs.org/aircraft/N1075Y): [Shoreline Aircraft Leasing LLC](https://openairdocs.org/faa-owner/SHORELINE%20AIRCRAFT%20LEASING%20LLC), [Lewes, DE](https://openairdocs.org/faa-place/DE/Lewes), built 1980, S/N 45378
- [N1079A](https://openairdocs.org/aircraft/N1079A): [N1079a LLC](https://openairdocs.org/faa-owner/N1079A%20LLC), [Missoula, MT](https://openairdocs.org/faa-place/MT/Missoula), built 1980, S/N 2927
- [N1088N](https://openairdocs.org/aircraft/N1088N): [Temsco Helicopters Inc](https://openairdocs.org/faa-owner/TEMSCO%20HELICOPTERS%20INC), [Ketchikan, AK](https://openairdocs.org/faa-place/AK/Ketchikan), built 1980, S/N 300679D
- [N108AE](https://openairdocs.org/aircraft/N108AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [Ofallon, MO](https://openairdocs.org/faa-place/MO/Ofallon), built 1981, S/N 45730
- [N1091P](https://openairdocs.org/aircraft/N1091P): [Temsco Helicopters Inc](https://openairdocs.org/faa-owner/TEMSCO%20HELICOPTERS%20INC), [Ketchikan, AK](https://openairdocs.org/faa-place/AK/Ketchikan), built 1980, S/N 300683D
- [N1091S](https://openairdocs.org/aircraft/N1091S): [Temsco Helicopters Inc](https://openairdocs.org/faa-owner/TEMSCO%20HELICOPTERS%20INC), [Ketchikan, AK](https://openairdocs.org/faa-place/AK/Ketchikan), built 1980, S/N 300691D
- [N1092L](https://openairdocs.org/aircraft/N1092L): [Del Rio Aviation Inc](https://openairdocs.org/faa-owner/DEL%20RIO%20AVIATION%20INC), [Paso Robles, CA](https://openairdocs.org/faa-place/CA/Paso%20Robles), S/N 410940D
- [N1095T](https://openairdocs.org/aircraft/N1095T): [State Of Montana](https://openairdocs.org/faa-owner/STATE%20OF%20MONTANA), [Helena, MT](https://openairdocs.org/faa-place/MT/Helena), S/N 800769D
- [N109DX](https://openairdocs.org/aircraft/N109DX): [Sunwest Construction Enterprises Inc](https://openairdocs.org/faa-owner/SUNWEST%20CONSTRUCTION%20ENTERPRISES%20INC), [Tarpon Springs, FL](https://openairdocs.org/faa-place/FL/Tarpon%20Springs), S/N 3489
- [N1101N](https://openairdocs.org/aircraft/N1101N): [Lindemann Drilling Company Inc](https://openairdocs.org/faa-owner/LINDEMANN%20DRILLING%20COMPANY%20INC), [Archer City, TX](https://openairdocs.org/faa-place/TX/Archer%20City), built 1981, S/N 510960D
- [N1103V](https://openairdocs.org/aircraft/N1103V): [Gulf Helicopters LLC](https://openairdocs.org/faa-owner/GULF%20HELICOPTERS%20LLC), [Santa Fe, TX](https://openairdocs.org/faa-place/TX/Santa%20Fe), S/N 1000823D
- [N11054](https://openairdocs.org/aircraft/N11054): [Winco Inc](https://openairdocs.org/faa-owner/WINCO%20INC), [Aurora, OR](https://openairdocs.org/faa-place/OR/Aurora), built 1981, S/N 310910D
- [N1106G](https://openairdocs.org/aircraft/N1106G): [Senninger Thomas P](https://openairdocs.org/faa-owner/SENNINGER%20THOMAS%20P), [Clermont, FL](https://openairdocs.org/faa-place/FL/Clermont), built 1981, S/N 510955D
- [N1106Z](https://openairdocs.org/aircraft/N1106Z): [Enright Miles](https://openairdocs.org/faa-owner/ENRIGHT%20MILES), [Ketchikan, AK](https://openairdocs.org/faa-place/AK/Ketchikan), built 1981, S/N 210900D
- [N1107N](https://openairdocs.org/aircraft/N1107N): [Cairns Dave DBA](https://openairdocs.org/faa-owner/CAIRNS%20DAVE%20DBA), [Lemon Cove, CA](https://openairdocs.org/faa-place/CA/Lemon%20Cove), built 1981, S/N 210902D
- [N1107P](https://openairdocs.org/aircraft/N1107P): [Temsco Helicopters Inc](https://openairdocs.org/faa-owner/TEMSCO%20HELICOPTERS%20INC), [Ketchikan, AK](https://openairdocs.org/faa-place/AK/Ketchikan), built 1981, S/N 210897D
- [N1107T](https://openairdocs.org/aircraft/N1107T): [Aviation Advantage Inc](https://openairdocs.org/faa-owner/AVIATION%20ADVANTAGE%20INC), [Tabor City, NC](https://openairdocs.org/faa-place/NC/Tabor%20City), built 1981, S/N 210898D
- [N11082](https://openairdocs.org/aircraft/N11082): [Vertical Corp](https://openairdocs.org/faa-owner/VERTICAL%20CORP), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell), built 1980, S/N 1100845D
- [N1110Q](https://openairdocs.org/aircraft/N1110Q): [Aviation Advantage Inc](https://openairdocs.org/faa-owner/AVIATION%20ADVANTAGE%20INC), [Tabor City, NC](https://openairdocs.org/faa-place/NC/Tabor%20City), built 1981, S/N 611011D
- [N111BV](https://openairdocs.org/aircraft/N111BV): [Oceanside Vertical Express LLC](https://openairdocs.org/faa-owner/OCEANSIDE%20VERTICAL%20EXPRESS%20LLC), [Canaan, NY](https://openairdocs.org/faa-place/NY/Canaan), S/N 3264
- [N112AS](https://openairdocs.org/aircraft/N112AS): [Olympic Jet Inc](https://openairdocs.org/faa-owner/OLYMPIC%20JET%20INC), [Olympia, WA](https://openairdocs.org/faa-place/WA/Olympia), built 1980, S/N 900808D
- [N123NC](https://openairdocs.org/aircraft/N123NC): [North Carolina State Highway Patrol](https://openairdocs.org/faa-owner/NORTH%20CAROLINA%20STATE%20HIGHWAY%20PATROL), [Cary, NC](https://openairdocs.org/faa-place/NC/Cary), built 1971, S/N 610
- [N124SH](https://openairdocs.org/aircraft/N124SH): [Scott'S Helicopter Services Inc](https://openairdocs.org/faa-owner/SCOTT'S%20HELICOPTER%20SERVICES%20INC), [Le Sueur, MN](https://openairdocs.org/faa-place/MN/Le%20Sueur), built 1967, S/N 7599
- [N130AE](https://openairdocs.org/aircraft/N130AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 1980, S/N 45467
- [N130CC](https://openairdocs.org/aircraft/N130CC): [Airone Helicopters LLC](https://openairdocs.org/faa-owner/AIRONE%20HELICOPTERS%20LLC), [Slaughter, LA](https://openairdocs.org/faa-place/LA/Slaughter), built 1978, S/N 2307
- [N138DD](https://openairdocs.org/aircraft/N138DD): [Dalton Aviation LLC](https://openairdocs.org/faa-owner/DALTON%20AVIATION%20LLC), [Bluffdale, UT](https://openairdocs.org/faa-place/UT/Bluffdale), built 1979, S/N 45199
- [N138TX](https://openairdocs.org/aircraft/N138TX): [Air2 LLC](https://openairdocs.org/faa-owner/AIR2%20LLC), [Blountville, TN](https://openairdocs.org/faa-place/TN/Blountville), built 1979, S/N 1290646D
- [N142MA](https://openairdocs.org/aircraft/N142MA): [Minuteman Aviation Inc](https://openairdocs.org/faa-owner/MINUTEMAN%20AVIATION%20INC), [Missoula, MT](https://openairdocs.org/faa-place/MT/Missoula), built 1996, S/N 53123
- [N144SW](https://openairdocs.org/aircraft/N144SW): [Interstate Helicopters Inc](https://openairdocs.org/faa-owner/INTERSTATE%20HELICOPTERS%20INC), [Bethany, OK](https://openairdocs.org/faa-place/OK/Bethany), built 1980, S/N 3106
- [N150HH](https://openairdocs.org/aircraft/N150HH): [Cascade Airways LLC](https://openairdocs.org/faa-owner/CASCADE%20AIRWAYS%20LLC), [Jefferson, OR](https://openairdocs.org/faa-place/OR/Jefferson), built 1971, S/N 701
- [N151JP](https://openairdocs.org/aircraft/N151JP): [Farmar Peter D](https://openairdocs.org/faa-owner/FARMAR%20PETER%20D), [San Angelo, TX](https://openairdocs.org/faa-place/TX/San%20Angelo), built 1978, S/N 480301D
- [N1578F](https://openairdocs.org/aircraft/N1578F): [Heliservice LLC](https://openairdocs.org/faa-owner/HELISERVICE%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1981, S/N 610957D
- [N160TH](https://openairdocs.org/aircraft/N160TH): [Terrell Bill](https://openairdocs.org/faa-owner/TERRELL%20BILL), [Port Orange, FL](https://openairdocs.org/faa-place/FL/Port%20Orange), S/N 770160D
- [N16671](https://openairdocs.org/aircraft/N16671): [Sarkinen Plumbing Inc](https://openairdocs.org/faa-owner/SARKINEN%20PLUMBING%20INC), [Portland, OR](https://openairdocs.org/faa-place/OR/Portland), built 1976, S/N 2087
- [N168ST](https://openairdocs.org/aircraft/N168ST): [Motor Heads Inc](https://openairdocs.org/faa-owner/MOTOR%20HEADS%20INC), [Blairstown, NJ](https://openairdocs.org/faa-place/NJ/Blairstown), built 1977, S/N 2566
- [N16929](https://openairdocs.org/aircraft/N16929): [Reynolds Darryl G](https://openairdocs.org/faa-owner/REYNOLDS%20DARRYL%20G), [Wills Point, TX](https://openairdocs.org/faa-place/TX/Wills%20Point), built 1978, S/N 2314
- [N189RL](https://openairdocs.org/aircraft/N189RL): [L&R Investment Partners LLC](https://openairdocs.org/faa-owner/L%26R%20INVESTMENT%20PARTNERS%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), S/N 2210
- [N192TA](https://openairdocs.org/aircraft/N192TA): [Hawkeye Helicopter LLC](https://openairdocs.org/faa-owner/HAWKEYE%20HELICOPTER%20LLC), [Lyndon, KS](https://openairdocs.org/faa-place/KS/Lyndon), built 1979, S/N 2836
- [N198MA](https://openairdocs.org/aircraft/N198MA): [Marks Aviation Group LLC](https://openairdocs.org/faa-owner/MARKS%20AVIATION%20GROUP%20LLC), [Lafayette, LA](https://openairdocs.org/faa-place/LA/Lafayette), built 1972, S/N 753
- [N200HR](https://openairdocs.org/aircraft/N200HR): [Sutter Air Inc](https://openairdocs.org/faa-owner/SUTTER%20AIR%20INC), [Los Banos, CA](https://openairdocs.org/faa-place/CA/Los%20Banos), built 1972, S/N 815

All 205: https://openairdocs.org/engine/allison-250-ser-250hp/aircraft.md

## NTSB investigations (267, 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 WPR26LA277](https://openairdocs.org/ntsb/WPR26LA277), Jul 21, 2026: Bell 206B (N2193X), Stonewall, OK, substantial damage, investigation ongoing
- [NTSB WPR26FA082](https://openairdocs.org/ntsb/WPR26FA082), Jan 18, 2026: Bell Helicopter Textron 206L-1 (N138DD), Kamas, UT, substantial damage, investigation ongoing
- [NTSB CEN25LA298](https://openairdocs.org/ntsb/CEN25LA298), Jul 31, 2025: Bell 47G (N102SH), Assumption, MN, substantial damage. Probable cause: A total loss of engine power due to fuel starvation, which resulted from attitude-inducing unporting of the fuel.
- [NTSB WPR25LA134](https://openairdocs.org/ntsb/WPR25LA134), Apr 15, 2025: Bell 206B (N16671), Amboy, WA, substantial damage, investigation ongoing
- [NTSB ERA25LA156](https://openairdocs.org/ntsb/ERA25LA156), Mar 21, 2025: Bell 206 (N5QV), Chamblee, GA, substantial damage. Probable cause: The pilot’s inadequate fuel planning, which resulted in a total loss of engine power during approach due to fuel exhaustion.
- [NTSB WPR25LA078](https://openairdocs.org/ntsb/WPR25LA078), Jan 14, 2025: Bell 206A (N6255N), Lemoore, CA, destroyed. Probable cause: The pilot’s failure to maintain clearance from power lines while maneuvering at a low altitude.
- [NTSB ERA25LA059](https://openairdocs.org/ntsb/ERA25LA059), Nov 21, 2024: Bell 206B (N422RH), Lakeland, FL, substantial damage. Probable cause: The pilot’s failure to maintain yaw control during a tailwind approach, which resulted in a loss of tail rotor effectiveness, an uncommanded spin, and subsequent hard landing.
- [NTSB ERA25LA027](https://openairdocs.org/ntsb/ERA25LA027), Oct 27, 2024: Bell Helicopter Textron 206L-1 (N54AE), Canal Winchester, OH, substantial damage. Probable cause: An in-flight collision with a bird while in cruise flight.
- [NTSB CEN24LA368](https://openairdocs.org/ntsb/CEN24LA368), Sep 25, 2024: Bell 206 (N92PH), Lexington, NE, substantial damage. Probable cause: The pilot’s failure to maintain proper clearance from powerlines.
- [NTSB ERA24LA148](https://openairdocs.org/ntsb/ERA24LA148), Mar 18, 2024: Hughes 369D (N102SU), Belleville, WV, substantial damage. Probable cause: The ingestion of foreign object debris into the engine, which resulted in a sudden loss of engine power and a subsequent collision with trees and terrain during the forced landing.
- [NTSB CEN24FA049](https://openairdocs.org/ntsb/CEN24FA049), Nov 29, 2023: MD Helicopters 600 (N745MB), Sterling City, TX, substantial damage, 2 fatal. Probable cause: The pilot’s failure to maintain clearance from a power line pole’s static arm during forecasted gusting wind conditions, un-forecasted light turbulence, and un-forecasted low-level wind shear…
- [NTSB CEN23LA048](https://openairdocs.org/ntsb/CEN23LA048), Nov 23, 2022: Hughes 369HS (N668M), Oxford, CO, substantial damage. Probable cause: The designated pilot examiner’s failure to maintain a proper descent during a practice 180° autorotation which resulted in a hard landing.
- [NTSB CEN23LA025](https://openairdocs.org/ntsb/CEN23LA025), Nov 3, 2022: Bell 206 (N61KH), Greenville, IL, substantial damage. Probable cause: The mechanic’s failure to inspect and clean the entire fuel nozzle assembly in accordance with the engine maintenance manual, which resulted in fuel starvation and a partial loss of engine power, an…
- [NTSB CEN22LA009](https://openairdocs.org/ntsb/CEN22LA009), Oct 6, 2021: Bell 206 (N373SP), Gonzales, LA, substantial damage. Probable cause: The student pilot’s failure to compensate for an unanticipated right yaw, which resulted in a loss of tail rotor effectiveness and helicopter control.
- [NTSB WPR21LA333](https://openairdocs.org/ntsb/WPR21LA333), Aug 27, 2021: Bell Helicopter Textron 206L-1 (N303AE), Glide, OR, substantial damage. Probable cause: The pilot’s failure to maintain clearance from a tree during an aerial application.
- [NTSB CEN21LA139](https://openairdocs.org/ntsb/CEN21LA139), Feb 26, 2021: Hughes 369 (N58431), Kaufman, TX, substantial damage. Probable cause: The pilot’s failure to maintain clearance from a power line during low-level maneuvering.
- [NTSB WPR21LA084](https://openairdocs.org/ntsb/WPR21LA084), Jan 9, 2021: Hughes 369D (N8612F), Winthrop, WA, substantial damage. Probable cause: The pilot’s failure to adequately monitor the environment which resulted in a collision with a snowbank and subsequent loss of control.
- [NTSB ERA21LA040](https://openairdocs.org/ntsb/ERA21LA040), Nov 8, 2020: Bell 206 (N123NC), Raleigh, NC, substantial damage. Probable cause: The pilot's loss of helicopter control after entry into vortex ring state, which resulted in main rotor blade contact with the tailboom, and impact with the ground.
- [NTSB ERA21LA023](https://openairdocs.org/ntsb/ERA21LA023), Oct 16, 2020: Bell 206 (N777CP), Zephyrhills, FL, substantial damage. Probable cause: Improper torquing of the “B” nut at the fuel control unit, which led to a total loss of engine power and subsequent autorotation that resulted in substantial damage.
- [NTSB CEN20LA328](https://openairdocs.org/ntsb/CEN20LA328), Aug 8, 2020: Bell 206 (N284S), Marathon, TX, destroyed, 3 fatal. Probable cause: The in-flight loss of helicopter control for reasons that could not be determined based on the available evidence.
- [NTSB CEN20LA113](https://openairdocs.org/ntsb/CEN20LA113), Mar 5, 2020: Bell 206 (N32AE), Clark, MO, substantial damage. Probable cause: The fatigue failure of the pneumatic line for reasons that could not be determined, which resulted in a loss of engine power and subsequent hard landing.
- [NTSB WPR19LA194](https://openairdocs.org/ntsb/WPR19LA194), Jul 13, 2019: Bell 47G 3B 1 (N3078G), Mosby, MT, substantial damage. Probable cause: The pilot’s failure to account for environmental conditions conducive to a loss of tail rotor effectiveness, which resulted in a loss of tail rotor effectiveness and subsequent loss of control.…
- [NTSB ERA18LA020](https://openairdocs.org/ntsb/ERA18LA020), Nov 8, 2017: Bell 206 (N275AE), Union City, TN, substantial damage. Probable cause: The pilot’s inadvertent slope landing and attempted recovery, which resulted in an incipient dynamic rollover, mast bumping, and separation of the main rotor.
- [NTSB CEN17LA174](https://openairdocs.org/ntsb/CEN17LA174), May 2, 2017: Bell 407 (N457PH), Venice, LA, substantial damage. Probable cause: An in-flight separation of the tip block from the tail rotor blade due to an inadequate blade repair, which resulted in a rotor imbalance sufficient to crack the gearbox attachment studs and gearbox…
- [NTSB WPR17FA021](https://openairdocs.org/ntsb/WPR17FA021), Nov 16, 2016: Hughes 369 (N81GG), Pukoo, HI, destroyed, 2 fatal. Probable cause: The pilot's decision to continue visual flight into an area of instrument meteorological conditions at night in rain, which resulted in his geographic disorientation and controlled flight into…
- [NTSB WPR17LA019](https://openairdocs.org/ntsb/WPR17LA019), Nov 11, 2016: Bell 206B (N914HH), Yuma, AZ, substantial damage. Probable cause: The pilot’s inability to maintain helicopter control after its skid got caught on the landing pad while he was maneuvering the helicopter to land on it, which resulted in a dynamic roll-over.
- [NTSB WPR16LA125](https://openairdocs.org/ntsb/WPR16LA125), Jun 14, 2016: Bell 206 (N1076Y), Bishop, CA, substantial damage. Probable cause: The pilot’s improper preflight weather planning, fuel planning, and fuel management, which resulted in fuel starvation and a loss of engine power. Contributing to the severity of the accident was the…
- [NTSB CEN16FA171](https://openairdocs.org/ntsb/CEN16FA171), May 4, 2016: Mcdonnell Douglas Helicopter 369E (N629JK), Reedsville, WI, substantial damage, 1 fatal. Probable cause: The failure of the power turbine governor's dual-spool bearing due to a lack of lubrication, which resulted in a complete loss of engine power and subsequent impact with terrain.
- [NTSB CEN15LA370](https://openairdocs.org/ntsb/CEN15LA370), Aug 18, 2015: Bell 206B (N5743W), Cresco, IA, substantial damage. Probable cause: The loss of engine power due to the high-cycle fatigue failure of the third-stage turbine wheel.
- [NTSB ERA15LA060](https://openairdocs.org/ntsb/ERA15LA060), Oct 25, 2014: Bell 206B (N418SV), West Palm Beach, FL, substantial damage. Probable cause: A hard landing for reasons that could not be determined based on the available evidence.
- [NTSB WPR14CA373](https://openairdocs.org/ntsb/WPR14CA373), Sep 11, 2014: Bell 407 (N142MA), Moab, UT, substantial damage. Probable cause: The pilot's failure to ensure adequate clearance from terrain while landing on sloped terrain.
- [NTSB WPR14FA310](https://openairdocs.org/ntsb/WPR14FA310), Jul 23, 2014: Bell 206A (N949FM), Wenatchee, WA, substantial damage, 1 fatal. Probable cause: The pilot's failure to maintain a proper decent rate and path, which resulted in a hard landing and dynamic rollover. Contributing to the accident was the pilot's impairment by a sedating medication.
- [NTSB WPR13LA390](https://openairdocs.org/ntsb/WPR13LA390), Aug 28, 2013: Bell Helicopter Textron 206L-1 (N2018R), Payson, AZ, substantial damage. Probable cause: A partial loss of engine power due to an overtemperature event that thermally damaged the turbine blades and vanes, which resulted in a hard landing.
- [NTSB WPR13CA206](https://openairdocs.org/ntsb/WPR13CA206), Apr 23, 2013: Bell Helicopter Textron 206L-1 (N2072M), Grand Canyon, AZ, substantial damage. Probable cause: The failure of the flight instructor and the pilot receiving instruction to recognize before entering the flare that the wind had shifted to a tailwind and terminate the practice autorotation.
- [NTSB WPR13FA119](https://openairdocs.org/ntsb/WPR13FA119), Feb 10, 2013: Bell 206B (N59518), Acton, CA, substantial damage, 3 fatal. Probable cause: The pilot's decision to conduct a flight in dark night conditions with an illuminated cockpit light that degraded his visibility and his ability to identify and arrest the helicopter's descent while…
- [NTSB CEN13CA145](https://openairdocs.org/ntsb/CEN13CA145), Jan 29, 2013: Hughes 369HS (N193M), London, OH, substantial damage. Probable cause: The pilot's failure to comply with established cold weather operating procedures, which resulted in a total loss of engine power. Contributing to the accident was the pilot's excessive aft cyclic…
- [NTSB WPR12LA426](https://openairdocs.org/ntsb/WPR12LA426), Sep 19, 2012: Bell 206 - B (N222GR), Mammoth Lakes, CA, destroyed. Probable cause: The pilot’s inability to maintain sufficient main rotor rpm while maneuvering in high density altitude conditions, which resulted in a precautionary landing and subsequent rollover.
- [NTSB WPR12LA408](https://openairdocs.org/ntsb/WPR12LA408), Sep 9, 2012: Bell Helicopter Textron 206L-1 (N5745Y), Grand Canyon, AZ, substantial damage. Probable cause: A total loss of engine power during descent for reasons that could not be determined because postaccident engine examinations and testing revealed no evidence of an anomaly that would have precluded…
- [NTSB WPR12LA341](https://openairdocs.org/ntsb/WPR12LA341), Jul 31, 2012: Fairchild Hiller FH-1100 (N5038F), Cody, WY, substantial damage. Probable cause: The failure of a tail rotor driveshaft coupling due to fatigue.
- [NTSB WPR12CA236](https://openairdocs.org/ntsb/WPR12CA236), May 30, 2012: Bell 206B (N106TV), Burbank, WA, substantial damage. Probable cause: The failure of maintenance personnel to properly torque an air tube fitting, which resulted in a total loss of engine power.
- [NTSB CEN12LA258](https://openairdocs.org/ntsb/CEN12LA258), Apr 26, 2012: Bell 206B (N2068X), Amarillo, TX, substantial damage. Probable cause: The pilot's failure to maintain helicopter control during landing in gusty wind conditions associated with a thunderstorm, which resulted in a loss of tail rotor effectiveness.
- [NTSB WPR12LA036](https://openairdocs.org/ntsb/WPR12LA036), Nov 14, 2011: Bell 206B (N16HA), Woodburn, OR, substantial damage. Probable cause: The pilot’s failure to maintain ground clearance while maneuvering with an external load line.
- [NTSB CEN11LA646](https://openairdocs.org/ntsb/CEN11LA646), Sep 15, 2011: Bell 206B (N3181J), Spicewood, TX, substantial damage. Probable cause: The pilot did not maintain adequate rotor rpm during a low-altitude maneuvering flight.
- [NTSB CEN11LA200](https://openairdocs.org/ntsb/CEN11LA200), Feb 23, 2011: Hughes 369D (N112AS), Henryetta, OK, substantial damage. Probable cause: Failure of the cyclic control system for reasons undetermined.
- [NTSB CEN11GA020](https://openairdocs.org/ntsb/CEN11GA020), Oct 15, 2010: Bell 206B (N96MP), Clarkson Valley, MO, substantial damage, 1 fatal. Probable cause: The total loss of engine power due to fuel exhaustion, which resulted from the pilot's inadequate preflight planning and decision-making, and his improper control inputs following the loss of engine…
- [NTSB CEN10LA431](https://openairdocs.org/ntsb/CEN10LA431), Jul 24, 2010: Bell 47G-4A (N124SH), Rochester, MN, substantial damage, 1 fatal. Probable cause: The total loss of engine power due to a high-cycle fatigue fracture of a first-stage compressor blade. The reason for the fracture could not be determined during postaccident examination.
- [NTSB WPR10CA100](https://openairdocs.org/ntsb/WPR10CA100), Jan 7, 2010: Bell 206B (N127TP), Kalispell, MT, substantial damage. Probable cause: The pilot's failure to maintain lateral drift control during landing.
- [NTSB ERA09LA194](https://openairdocs.org/ntsb/ERA09LA194), Mar 10, 2009: Hughes 369D (N369RT), Lee, MA, substantial damage. Probable cause: The pilot's failure to maintain clearance from the overhead wire.
- [NTSB ANC08LA127](https://openairdocs.org/ntsb/ANC08LA127), Sep 26, 2008: Bell Helicopter Textron 206L-1 (N305MH), Homer, AK, substantial damage. Probable cause: The pilot's failure to maintain clearance from power lines during an external load lift. Contributing to the accident was the pilot's lack of situational awareness.
- [NTSB NYC08LA287](https://openairdocs.org/ntsb/NYC08LA287), Aug 22, 2008: Bell 206A (N67AR), Barnesville, PA, substantial damage. Probable cause: The pilot's failure to maintain control of the helicopter during the low-speed, low-altitude maneuver which resulted in a loss of tail rotor effectiveness.

All 267: https://openairdocs.org/engine/allison-250-ser-250hp/ntsb.md

## FAA accident and incident reports (327, 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 20260721008489A](https://openairdocs.org/incident/20260721008489A), Jul 21, 2026: Bell 206B (N2193X), Stonewall, OK, Destroyed. On 07/21/2026 near Stonewall, Oklahoma at 1428 hrs a helicopter was appling herbicide along a set of electrical wire line when it flew into a set of electrical…
- [Accident 20260118001169A](https://openairdocs.org/incident/20260118001169A), Jan 18, 2026: Bell Helicopter Textron 206L-1 (N138DD), Hanna, UT, Substantial damage. On January 18, 2026, the subject aircraft departed btf with a PIC calculated 83 gallons of fuel and four souls on board (~650LBS) with an intended destination…
- [Accident 20250731018149A](https://openairdocs.org/incident/20250731018149A), Jul 31, 2025: Bell 47G-4A (N102SH), Belle Plaine, MN, Substantial damage. The aircraft was returning to base after conducting aerial application operations. Before reaching base, the aircraft experienced engine issues and crashed…
- [Accident 20250414003389A](https://openairdocs.org/incident/20250414003389A), Apr 14, 2025: Bell 206B (N16671), Battleground, WA, Substantial damage. The pilot departed the helipad at his residence near WA87 at approximately 1720 for a solo flight preparing for a private pilot check ride on April 14, 2025.…
- [Accident 20250321009559A](https://openairdocs.org/incident/20250321009559A), Mar 21, 2025: Bell 206B (N5QV), Chamblee, GA, Substantial damage. The pilot of the news helicopter was conducting news gathering operations in the atlanta metro area. While shooting footage of 3 planned locations the pilot…
- [Accident 20250114000129A](https://openairdocs.org/incident/20250114000129A), Jan 14, 2025: Bell 206A (N6255N), Lemoore, CA, Destroyed. On January 14, 2025, while conducting agricultural operations, the helicopter hit a power line with its main rotor blade while flying at a low altitude en…
- [Accident 20241121017229A](https://openairdocs.org/incident/20241121017229A), Nov 21, 2024: Bell 206B (N422RH), Lakeland, FL, Substantial damage. On 21 November 2024, a Bell 206B was attempting to land at klal when the pilot lost directional control of the aircraft which resulted in a hard landing…
- [Accident 20241027014559A](https://openairdocs.org/incident/20241027014559A), Oct 27, 2024: Bell Helicopter Textron 206L-1 (N54AE), Canal Wincheste, OH, Substantial damage. This office received and assigned aircraft incident preliminary notice (8020-9) reported bird strike. Aircraft Bell 206L-1 s/n. 3 POB. No injuries. Upon…
- [Accident 20240925017069A](https://openairdocs.org/incident/20240925017069A), Sep 25, 2024: Bell 206B (N92PH), Lexington, NE, Substantial damage. Pilot was operating under part 137. During an application run he lost sight of known wires on his ag turn due to sun glare.
- [Accident 20240318002929A](https://openairdocs.org/incident/20240318002929A), Mar 18, 2024: Hughes 369D (N102SU), Belleville, WV, Substantial damage. March 18, 2024 a 14 CFR part 133 aerial tree trimming operation was taking place. A morning preflight was conducted and safety meeting conducted with PIC and…
- [Accident 20231129016729A](https://openairdocs.org/incident/20231129016729A), Nov 29, 2023: Md Helicopters Inc 600N (N745MB), Sterling City, TX, Destroyed, 2 fatal. On November 28, 2023, at approximately 1430, a MD600N helicopter aircraft impacted the ground at N31 55'26 ' W100 58'9" approximately 8 miles northwest of…
- [Accident 20221123021029A](https://openairdocs.org/incident/20221123021029A), Nov 23, 2022: Hughes 369HS (N668M), Durango, CO, Substantial damage. On 11/23/2022, a designated pilot examiner (DPE) was conducting an aircraft proficiency examination on a student. The required proficiency exam was to add a…
- [Accident 20221102020039A](https://openairdocs.org/incident/20221102020039A), Nov 2, 2022: Bell 206B (N61KH), Greenville, IL, Substantial damage. On November 2, 2022, at approximately 20:15 CST,[privacy data omitted]sustained substantial damage during an autorotation landing at the Greenville Airport…
- [Accident 20211006017769A](https://openairdocs.org/incident/20211006017769A), Oct 6, 2021: Bell 206B (N373SP), Gonzales, LA, Substantial damage. The pilot stated: on the afternoon of October 6th, 2021 I, [privacy data omitted]was operating a Bell 206B iii helicopter, traveling from baton rouge metro…
- [Accident 20210827008709A](https://openairdocs.org/incident/20210827008709A), Aug 27, 2021: Bell Helicopter Textron 206L-1 (N303AE), Glide, OR, Substantial damage. Helicopter struck tree with rotor blade, lost control and crashed during a low level 137 spray operation.
- [Accident 20210226001709A](https://openairdocs.org/incident/20210226001709A), Feb 26, 2021: Hughes 369D (N58431), Kaufman, TX, Substantial damage. Helicopter was hoovering in an attempt to engage in a pig shoot on a charity flight. Pilot did not see the powerline behind the trees. Helicopter main blade…
- [Accident 20210109012779A](https://openairdocs.org/incident/20210109012779A), Jan 9, 2021: Hughes 369D (N8612F), Winthrop, WA, Substantial damage. Pilot stated he was flying into a lading spot that was previously cleared of snow at a hotel in methow WA. Pilot stated he flew over the landing area, and from…
- [Accident 20201108014929A](https://openairdocs.org/incident/20201108014929A), Nov 8, 2020: Bell 206A (N123NC), Raleigh, NC, Substantial damage. Pilot approaching to land at the heliport (3NC2) over the trees flying northeast with the winds variable between 090 and 120. When the pilot was about 300 feet…
- [Accident 20201016015159A](https://openairdocs.org/incident/20201016015159A), Oct 16, 2020: Bell 206B (N777CP), Lakeland, FL, Substantial damage. Aircraft departed from private residence in plant city FL at aprox 1500 hrs EST. In route to kcrg craig field jax, approximately 20 minutes into flight, at…
- [Incident 20201005016589I](https://openairdocs.org/incident/20201005016589I), Oct 5, 2020: Bell Helicopter Textron 206L-1 (N24AE), Jackson, MS, Minor damage. The pilot of life flight AE99 reported they picked up a patient at jefferson county hospital, fayette, MS and was en route to [privacy data omitted] hospital…
- [Accident 20200808013889A](https://openairdocs.org/incident/20200808013889A), Aug 8, 2020: Bell 206B (N284S), Marathon, TX, Destroyed, 3 fatal. On August 8, 2020, at approximately 1209 CST, a Bell 206B helicopter bearing registration number N284S was conducting a wild animal survey approximately 47…
- [Accident 20200304004129A](https://openairdocs.org/incident/20200304004129A), Mar 4, 2020: Bell Helicopter Textron 206L-1 (N32AE), Clark, MO, Substantial damage. The pilot stated that while in cruise flight with a patient on board, he noticed a yaw to the right and experienced a partial loss of engine power. He stated…
- [Accident 20190713011389A](https://openairdocs.org/incident/20190713011389A), Jul 13, 2019: Bell 47G-3B-1 (N3078G), Mosby, MT, Destroyed. Pilot was landing at a private ranch with two passengers and was unable to maintain directional control upon landing. Witness stated the rotorcraft started…
- [Accident 20171108018909A](https://openairdocs.org/incident/20171108018909A), Nov 8, 2017: Bell 206L-3 (N275AE), Union City, TN, Substantial damage. *On 11/08/2017 at 1130 N275AE lifted from home base in troy, TN *The flight was a public relations flight for the 911 dispatch center in Union City, TN * The…
- [Accident 20170502005009A](https://openairdocs.org/incident/20170502005009A), May 2, 2017: Bell 407 (N457PH), Boothville, LA, Substantial damage. A Bell 407 helicopter was enroute to an offshore location . At approximately three (3) minutes after takeoff on the first flight of the day, the pilot heard a…
- [Incident 20170228007779I](https://openairdocs.org/incident/20170228007779I), Feb 28, 2017: Bell Helicopter Textron 206L-1 (N258AE), Eagle Pass, TX, Minor damage. On February 28, 2017 at approximately 19:55 a Bell BHT-206-L1 helicopter, N285AE operated by air evac inc. had a small electrical fire and smoke in the…
- [Incident 20170125000799I](https://openairdocs.org/incident/20170125000799I), Jan 25, 2017: Agusta Spa A109A (N716AM), Makaweli, HI, Minor damage. The pilot had dropped off passengers at phbk and waited for word that the helipad lights at thier hangar were deployed and lit. The pilot then departed phbk…
- [Accident 20161115021839A](https://openairdocs.org/incident/20161115021839A), Nov 15, 2016: Hughes 369D (N81GG), Puko'O, HI, Destroyed, 2 fatal. The honolulu flight standards district office (FSDO) conducted an investigation of the fatal aircraft accident that occurred on November 15, 2016. The aircraft…
- [Accident 20161110025099A](https://openairdocs.org/incident/20161110025099A), Nov 10, 2016: Bell 206B (N914HH), Yuma, AZ, Substantial damage. On November 10, 2016, a Bell 206B, N914HH was performing night aerial application operations. The aircraft sustained substantial damage during repositioning…
- [Accident 20160614025179A](https://openairdocs.org/incident/20160614025179A), Jun 14, 2016: Bell Helicopter Textron 206L-1 (N1076Y), Bishop, CA, Substantial damage. On June 14, 2016, about 1550 pacific daylight time, a Bell 206 L1 helicopter, N1076Y, was substantially damaged during an autorotative landing attempt near…
- [Accident 20160504004599A](https://openairdocs.org/incident/20160504004599A), May 4, 2016: Mcdonnell Douglas Helicopter 369E (N629JK), Reedsville, WI, Substantial damage, 1 fatal. On may 04, 2016 at 1000 CST near Reedsville, WI N629JK a MD-369E owned by padgett ag air, LLC and operated by rotor blade, LLC (1RTL) under 14 CFR 133 external…
- [Incident 20160215000989I](https://openairdocs.org/incident/20160215000989I), Feb 15, 2016: Hughes 369D (N1107T), Danville, WV, Minor damage. N1107T made a hard landing in a wvdoh parking lot after the tail rotor struck a gravel pile due to flat light and white-out conditions. The rotorcraft…
- [Accident 20150818013809A](https://openairdocs.org/incident/20150818013809A), Aug 18, 2015: Bell 206B (N5743W), Cresco, IA, Substantial damage. At about 1:30 on Tuesday August 18, 2015, the pilot took off with 25 gallons of fuel and 80 gallons of chemical to spray a bean field 7 miles east of Cresco,…
- [Accident 20141025021829A](https://openairdocs.org/incident/20141025021829A), Oct 25, 2014: Bell 206B (N418SV), Wellington, FL, Substantial damage. On Saturday October 25, 2014, about 1240 local time, the pilot/owner of a Bell 206 jet ranger, N418SV, noticed a damaged left skid while inspecting the…
- [Accident 20140911016599A](https://openairdocs.org/incident/20140911016599A), Sep 11, 2014: Bell 407 (N142MA), Moab, UT, Substantial damage. Upon landing on a rocky hillside pilot inadvertently pitched down (possibly caused by catching toe of skid on a rock) and struck a large boulder with the main…
- [Incident 20140804015049I](https://openairdocs.org/incident/20140804015049I), Aug 4, 2014: Bell Helicopter Textron 206L-1 (N258AE), Arley, AL, Minor damage. Pilot landed on scene to air evacuate injured patient while using nvg's. upon departure hover, pilot turn rotorcraft north. Aircraft tail rotor struck tree…
- [Accident 20140723013199A](https://openairdocs.org/incident/20140723013199A), Jul 23, 2014: Bell 206A (N949FM), Wenatchee, WA, Substantial damage, 1 fatal. On 07/23/2014, approximately 14:14 p.m. PST. Helicopter N949MF a Bell 206A crashed in Wenatchee, WA under un-known circumstances. Pilot\fatal, passengers\none.
- [Accident 20130828020299A](https://openairdocs.org/incident/20130828020299A), Aug 28, 2013: Bell Helicopter Textron 206L-1 (N2018R), Payson, AZ, Substantial damage. On August 28, 2013, about 1030 mountain standard time, a Bell Helicopter Textron 206L-1, N2018R, sustained substantial damage during an emergency landing,…
- [Accident 20130423009709A](https://openairdocs.org/incident/20130423009709A), Apr 23, 2013: Bell Helicopter Textron 206L-1 (N2072M), Grand Canyon, AZ, Substantial damage. Papillon helicopters a part 135 air tour operator was conducting a training flight under part 91. The accident occurred 14 miles east of the Grand Canyon…
- [Accident 20130210001699A](https://openairdocs.org/incident/20130210001699A), Feb 10, 2013: Bell 206B (N59518), Acton, CA, Destroyed, 3 fatal. Approved plan of activities for movie waiver issued for: 09 February 2013, from 1600-2200 PST. Accident occurred at 0333 February 10, 2013, during filming.…
- [Accident 20130125001919A](https://openairdocs.org/incident/20130125001919A), Jan 25, 2013: Hughes 369HS (N193M), Monroe Township, OH, Substantial damage. The pilot flew the helicopter into heavy snow, low ceilings and forward visibility. Due to the flight conditions the pilot stated he had descended to a lower…
- [Accident 20120919021839A](https://openairdocs.org/incident/20120919021839A), Sep 19, 2012: Bell 206B (N222GR), Mammoth, CA, Destroyed. The pilot was performing power line inspections 12 miles south east of mmh airport. The pilot stated that he became aware of the lack of power when the climb…
- [Accident 20120909021669A](https://openairdocs.org/incident/20120909021669A), Sep 9, 2012: Bell Helicopter Textron 206L-1 (N5745Y), Grand Canyon, AZ, Substantial damage. 9/10/2012:Two asi's were dispatched to gcn to investigate an aircraft accident regarding an operators aircraft that reported an engine flameout while…
- [Accident 20120731015749A](https://openairdocs.org/incident/20120731015749A), Jul 31, 2012: Fairchild Hiller FH-1100 (N5038F), Cody, WY, Substantial damage. On 07/31/2012 at approximately 1120 hrs MDT, N5038F, a Fairchild Hiller model FH-1100 rotorcraft sustained substantial damage upon impacting terrain seven…
- [Incident 20120717014499I](https://openairdocs.org/incident/20120717014499I), Jul 17, 2012: Agusta Spa A109A (N716AM), Nonopapa Niihau, HI, Minor damage. On July 17, 2012 at approximately 1245 Hawaii standard time, N716AM, an Agusta A109A helicopter operated by Niihau helicopters, inc. a 14 CFR § 135 on demand…
- [Accident 20120530009489A](https://openairdocs.org/incident/20120530009489A), May 30, 2012: Bell 206B (N106TV), Burbank, WA, Substantial damage. Pilot was conducting aerial application fertilizer spraying over an apple orchard. The pilot was on the fourth pass at approximately 15 feet over the tree tops…
- [Incident 20120517007979I](https://openairdocs.org/incident/20120517007979I), May 17, 2012: Bell Helicopter Textron 206L-1 (N2072M), Grand Canyon, AZ, Minor damage. During a practice autorotation, the instructor failed to roll on throttle in a timely manner in order to perform a power recovery to a hover. The aircraft…
- [Accident 20120426005909A](https://openairdocs.org/incident/20120426005909A), Apr 26, 2012: Bell 206B (N2068X), Amarillo, TX, Substantial damage. On April 26, 2012, at approximately 1700 CDT, a Bell 206B jet ranger approached Rick Husband Amarillo international airport from the north. As the helicopter…
- [Incident 20120406007709I](https://openairdocs.org/incident/20120406007709I), Apr 6, 2012: Sikorsky S-76 (N792P), Boothville, LA, Minor damage. Crew was performing a post-maintenance check flight after the replacement of the number one verticial gyro. After lifting to a hover the autopilot caused the…
- [Accident 20111114026879A](https://openairdocs.org/incident/20111114026879A), Nov 14, 2011: Bell 206B (N16HA), Woodburn, OR, Substantial damage. The PIC stated he had been having problems with the loads as they were not put together well by the "pickers". Just before the accident the PIC noticed the…

All 327: https://openairdocs.org/engine/allison-250-ser-250hp/incidents.md

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