NTSB investigations: Lycoming GO-480 series

198 cases on aircraft whose registry engine model is Lycoming GO-480 series. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

19642026
NTSB investigations: Lycoming GO-480 series per year, 1964–2026: 198 cases
19646
19656
19667
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19807
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Latest cases

Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
  WHERE c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41527'))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB ANC25LA095Accident · No injuriesClass 4 · LimitedFinal reportHelio H-395 · Pilot Point, AKThe pilot's inadequate takeoff performance planning, which resulted in a runway excursion and collision with terrain.Aug 21, 2025 · N44344 · Substantial damageNTSB ERA25LA091Accident · No injuriesClass 3 · LimitedFinal reportHelio HT-295 · Marion, OHThe failure of the right main landing gear spring due to intergranular stress-corrosion cracking that progressed into fatigue. Contributing to the accident was the improper rework of the spring at an undetermined time.Jan 5, 2025 · N18JC · Substantial damageNTSB ANC23LA082Accident · No injuriesClass 4 · LimitedFinal reportHelio H-295 · Fairbanks, AKThe pilot’s encounter with windshear during initial climb out, which resulted in a loss of control.Sep 17, 2023 · N713C · Substantial damageNTSB ANC20CA092Accident · No injuriesClass 4 · Data collectionFinal reportHelio H 295 · Fairbanks, AKThe pilot’s decision to initiate a right turn immediately after departure and his failure to maintain a proper crosswind correction, which resulted in a collision with terrain.Sep 10, 2020 · N68857 · Substantial damageNTSB CEN19LA251Accident · No injuriesClass 3 · LimitedFinal reportRyan Navion · Chicago, ILThe failure of the left main landing gear upper side brace assembly during landing due to reverse bending fatigue as a result of the incomplete penetration of the circumferential weld during initial production of the component.Jul 27, 2019 · N27AW · Substantial damageNTSB WPR19FA096Accident · 1 fatalClass 3 · FieldFinal reportBeech 50 · Riverside, CAThe pilot’s failure to maintain airspeed and control of the airplane following a loss of right engine power for reasons that could not be determined based on the available information.Mar 16, 2019 · N800DC · Substantial damageNTSB ERA18LA201Accident · No injuriesClass 3 · LimitedFinal reportAero Commander 560 · Crestview, FLA collapse of the right main landing gear for reasons that could not be determined based on the available information.Jul 26, 2018 · N2705B · Substantial damageNTSB WPR18FA198Accident · 2 fatalField investigationFinal reportRyan Navion · Truckee, CAA loss of engine power for reasons that could not be determined.Jul 17, 2018 · N5329K · Substantial damageNTSB GAA18CA225Accident · No injuriesData collectionFinal reportRepublic RC 3 · Pelion, SCThe pilot’s failure to maintain directional control during landing in gusting crosswind conditions.Apr 21, 2018 · N9042N · Substantial damageNTSB ANC16LA071Accident · No injuriesLimited investigationFinal reportHelio H-295 · Delta Junction, AKThe pilot’s decision to take off from a wet, snowy airstrip and his delayed decision to abort the takeoff, which resulted in a runway excursion.Sep 26, 2016 · N68857 · Substantial damageNTSB GAA16CA509Accident · Minor injuriesData collectionFinal reportGrumman G44 · Lakeport, CAThe pilot's failure to retract the landing gear, which resulted in a gear-down water landing and a nose over.Sep 17, 2016 · N111W · Substantial damageNTSB ANC16LA067Accident · No injuriesLimited investigationFinal reportHelio H 295 · Fairbanks, AKExcessive side loads imposed on the tailwheel A-frame during the takeoff roll, which resulted in a separation of the tailwheel and the subsequent loss of directional control.Sep 16, 2016 · N6464V · Substantial damageNTSB GAA16CA366Accident · No injuriesData collectionFinal reportHelio H 295 · Grants Pass, ORThe pilot's failure to maintain directional control during the landing roll in gusty crosswind conditions, which resulted in a runway excursion and a ground loop.Jul 10, 2016 · N9185Z · Substantial damageNTSB GAA15CA268Accident · No injuriesData collectionFinal reportHelio H 395 · Bethel, AKThe pilot's failure to maintain a positive climb rate during takeoff initial climb, resulting in an uncontrolled descent and collision with trees and terrain.Sep 18, 2015 · N910SP · Substantial damageNTSB ANC15LA070Accident · No injuriesLimited investigationFinal reportHelio H 295 · Delta Junction, AKA partial loss of engine power during takeoff for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.Sep 13, 2015 · N6464V · Substantial damageNTSB GAA15CA055Accident · No injuriesData collectionFinal reportBeech C 50 · Honesdale, PAThe pilot's failure to stop the airplane on the runway during landing, resulting in an overrun, landing gear collapse and substantial damage to the airplane.Apr 18, 2015 · N38MM · Substantial damageNTSB ANC15LA004Accident · No injuriesLimited investigationFinal reportHelio H 295 · Nenana, AKThe partial loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no evidence of any preimpact mechanical anomalies.Nov 15, 2014 · N6465V · Substantial damageNTSB ANC14CA082Accident · Minor injuriesData collectionFinal reportHelio H 295 · Prospect Creek, AKThe pilot's loss of directional control during takeoff, in gusty and variable wind conditions, resulting in a collision with terrain.Sep 16, 2014 · N50718 · Substantial damageNTSB WPR13CA395Accident · No injuriesData collectionFinal reportBeech C-50 · Homedale, IDThe pilot's delayed action to arrest a loss of altitude on short final, which resulted in a loss of aircraft control and collision with a fence post.Sep 1, 2013 · N212G · Substantial damageNTSB ERA13FA225Accident · 1 fatalField investigationFinal reportGrumman G-44 · Catskill, NYThe pilot’s misjudgment of the airplane’s altitude above the water and early flare for a landing on water with a glassy condition, which led to the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall.May 2, 2013 · N8AS · DestroyedNTSB ANC12CA020Accident · No injuriesData collectionFinal reportHelio H-295 · Old Minto, AKThe pilot's decision to land on unsuitable terrain, which resulted in the airplane nosing over.Jan 26, 2012 · N713C · Substantial damageNTSB ERA11CA364Accident · Minor injuriesData collectionFinal reportHelio H-295 · Brasstown, NCThe pilot's inadequate preflight planning, which resulted in a loss of engine power due to fuel exhaustion.Jun 25, 2011 · N99PM · Substantial damageNTSB WPR10LA069Accident · Serious injuriesLimited investigationFinal reportMahre Starduster SA300 · Zillah, WAThe pilot’s failure to maintain aircraft control during a low-altitude maneuver.Nov 29, 2009 · N480DM · Substantial damageNTSB ANC09CA091Accident · No injuriesData collectionFinal reportHelio H-295 · Koliganek, AKA loss of engine power during cruise flight due to water in the fuel, and the pilot's inadequate preflight inspection.Sep 2, 2009 · N6468V · Substantial damageNTSB ANC09LA023Accident · No injuriesLimited investigationFinal reportHelio H-295 · Healy, AKThe pilot's delay in initiating a climb while he was packing snow with the airplane's skis in preparation for landing, resulting in a collision with brush.Mar 14, 2009 · N6478V · Substantial damageNTSB ERA09CA165Accident · No injuriesData collectionFinal reportHelio H-295 · Clemson, SCThe pilot's failure to maintain directional control during landing. Contributing to the accident was the crosswind.Feb 9, 2009 · N99PM · Substantial damageNTSB DFW08LA139Accident · No injuriesLimited investigationFinal reportCommander AC-680 · Hope, ARThe pilot's failure to maintain control of the twin-engine airplane while landing. Contributing to the accident were the crosswind and partial loss of power on the right engine.May 8, 2008 · N39BA · Substantial damageNTSB ATL07CA068Accident · No injuriesData collectionFinal reportBeech D50E · Decatur, ALThe pilot's improper fuel management resulting in failure of both engines due to fuel starvation.Apr 6, 2007 · N107WB · Substantial damageNTSB LAX07LA031Accident · No injuriesLimited investigationFinal reportRyan Navion B · Riverside, CAA leak in the fuel selector valve and gascolator that resulted in fuel starvation on takeoff due to air leakage into the fuel system. A contributing factor in the accident was the inadequate annual inspection performed by other maintenance personnel.Nov 12, 2006 · N5348K · Substantial damageNTSB SEA07LA009Accident · Serious injuriesLimited investigationFinal reportHelio H-295 · Lake Isabel, WAThe pilot's failure to maintain airspeed while maneuvering for a precautionary landing following a partial loss of engine power, which resulted in an inadvertent stall/mush and subsequent hard landing. A contributing factor was the partial loss of engine…Oct 21, 2006 · N6471V · Substantial damageNTSB LAX05CA129Accident · Minor injuriesData collectionFinal reportBeech D50C · Montague, CAThe pilot's inadequate aircraft preflight and failure to verify that an adequate fuel supply was in the right main tank prior to flight, resulting in a fuel starvation induced loss of engine power in the right engine. Also causal was the pilot's failure to…Apr 2, 2005 · N50G · Substantial damageNTSB ANC05LA045Accident · No injuriesLimited investigationFinal reportHelio H-295 · Fairbanks, AKThe pilot's delay in performing a go-around, and his failure to maintain obstacle clearance.Feb 28, 2005 · N6465V · Substantial damageNTSB FTW04WA203Accident · 1 fatalForeign investigationHelio H-295 · La Campa, HondurasJul 31, 2004 · N6347V · DestroyedNTSB IAD04LA016Accident · 2 fatalLimited investigationFinal reportPilatus P3-05 · Edgewater, FLThe delamination of the no. 2 connecting rod bearing for undetermined reasons, resulting in a total loss of engine power. A factor in the accident was the pilot's inability to complete a successful forced landing due to oil on the windscreen, and smoke and…Apr 10, 2004 · N860MK · DestroyedNTSB ANC02LA101Accident · No injuriesLimited investigationFinal reportHelio H-295 · Igiugig, AKThe pilot's inadequate evaluation of the wind/weather conditions resulting in a collision with an embankment during the takeoff run. A factor contributing to the accident was a sudden wind shift to a tailwind.Aug 15, 2002 · N920AS · Substantial damageNTSB ANC02LA089Accident · No injuriesLimited investigationFinal reportHelio H-295 · Fort Yukon, AKThe failure of the axle shaft, which resulted in the separation of the right main tire/wheel from the airplane on landing.Aug 2, 2002 · N50718 · Substantial damageNTSB FTW02LA049Accident · No injuriesLimited investigationFinal reportBeech BE-50 · Altus, OKThe pilot's improper flare and his failure to maintain directional control. A contributing factor was the ditch.Nov 16, 2001 · N432L · Substantial damageNTSB SEA01LA067Accident · No injuriesLimited investigationFinal reportRepublic RC-3 · Carr Inlet, WAFatigue fracture of the propeller attaching bolts resulting in the total separation of the propeller assembly from the crankshaft flange.Mar 23, 2001 · N6295K · Substantial damageNTSB MIA00LA079Accident · No injuriesLimited investigationFinal reportBeech D50E · Myrtle Beach, SCThe on-ground fire caused by fuel flowing out the fuel vent and near the exhaust of the left engine resulting in the on-ground fire and substantial damage to the airplane. A finding in the investigation was that all four fuel tanks had been filled before the…Jan 31, 2000 · N14VU · Substantial damageNTSB ANC99LA095Accident · No injuriesLimited investigationFinal reportHelio H-395 · Igiugig, AKThe pilot's inadequate compensation for wind conditions during the downwind to upwind taxi turn. Factors associated with this accident were the high crosswind, the pilot's improper use of flaps, and his self-induced pressure because he was behind schedule.Jul 20, 1999 · N4198D · Substantial damageNTSB NYC99FA126Accident · 2 fatalField investigationFinal reportBeech D50C · Montgomery, NYThe pilot-in-command's failure to maintain adequate airspeed while maneuvering in the traffic pattern, which resulted in an inadvertent stall/spin.May 30, 1999 · N401JD · Substantial damageNTSB IAD98LA056Accident · No injuriesLimited investigationFinal reportGrumman G-44 · Cleveland, OHFailure of the pilot to extend the landing gear. A related factor was the diverted attention.May 12, 1998 · N1AS · Substantial damageNTSB ANC97LA128Accident · No injuriesLimited investigationFinal reportHelio H-295 · Fort Yukon, AKfailure of the pilot to maintain directional control of the airplane, which resulted in a swerve and collision with a tree as the pilot continued the takeoff, subsequently jamming the stabilator and causing the plane to crash in water.Aug 23, 1997 · N6465V · Substantial damageNTSB ANC97LA094Accident · No injuriesLimited investigationFinal reportHelio H295 · Ekwok, AKThe pilot's selection of an unsuitable area for takeoff.Jun 29, 1997 · N6343V · Substantial damageNTSB SEA96FA201Accident · 1 fatalField investigationFinal reportBeech D50 · Seattle, WAfailure of the pilot to follow proper emergency procedures (properly configure the airplane and feather the appropriate propeller) after loosing power in one engine, which resulted in his inability to maintain altitude until reaching an airport. Factors…Aug 24, 1996 · N567SF · Substantial damageNTSB LAX96LA174Accident · No injuriesLimited investigationFinal reportHelio H-295 · Grand Canyon, AZthe partial failure of the landing gear brake system resulting from loss of the clips retaining the right-hand brake disk. The resulting loss of braking authority impaired the pilot's ability to maintain directional control in a left quartering tailwind and…Apr 19, 1996 · N6470V · Substantial damageNTSB ANC96IA039Incident · No injuriesIncident investigationFinal reportHelio H295 · Angoon, AKthe pilot's inadequate compensation for the gusty wind conditions. A factor associated with the accident was the gusty wind conditions.Mar 29, 1996 · N5462E · Minor damageNTSB MIA96LA090Accident · No injuriesLimited investigationFinal reportHelio H-295 · Key West, FLThe pilot's inadequate compensation for wind conditions during lift-off, which resulted in the right wingtip contacting the runway. The gusty crosswind was a related factor.Mar 3, 1996 · N68883 · Substantial damageNTSB LAX96LA047Accident · No injuriesLimited investigationFinal reportBeech D-50 · Jackson, CAthe failure of the pilot-in-command to follow the pre-landing checklist which resulted in his failure to extend the landing gear and an inadvertent wheels-up landing.Nov 17, 1995 · N100AV · DestroyedNTSB CHI95LA338Accident · No injuriesLimited investigationFinal reportHelio U-10D · Wellsville, KSThe pilot's improper weather evaluation. A factor was the pilot's inadequate compensation for the wind conditions.Sep 30, 1995 · N2706J · Substantial damage