# NTSB investigations: Lycoming O-360-A1A

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 1 of 2 · 78 cases

## Latest cases

- [NTSB ERA25LA234](https://openairdocs.org/ntsb/ERA25LA234.md): Steven Scott Grasley RV-7A · Interlachen, FL · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Jun 13, 2025 · N783RV · Substantial damage
  > On June 13, 2025, about 15:31 eastern daylight time, an experimental, amateur built RV-7A, N783RV, was substantially damaged when it was involved in an accident near Interlachen, Florida. The commercial pilot received minor injuries. The airplane was operated…
- [NTSB ERA25LA042](https://openairdocs.org/ntsb/ERA25LA042.md): Vans RV8-A · Cleveland, GA · Accident · Minor injuries · Class 4 · Limited · Final report · Nov 8, 2024 · N69LM · Substantial damage
  > A nose landing gear collapse on landing and subsequent nose over.
- [NTSB ERA25FA020](https://openairdocs.org/ntsb/ERA25FA020.md): Geisz Gilbert A Lancair 360 · Cross City, FL · Accident · 2 fatal · Class 3 · Field · Preliminary report · Oct 20, 2024 · N510G · Substantial damage
  > On October 20, 2024, about 1600 eastern daylight time, an experimental amateur-built Lancair 360, N510G, was substantially damaged when it was involved in an accident in Cross City, Florida. The commercial pilot and passenger were fatally injured. The…
- [NTSB ANC24LA095](https://openairdocs.org/ntsb/ANC24LA095.md): Piper PA-22-150 · Bettles, AK · Accident · No injuries · Class 4 · Limited · Final report · Sep 21, 2024 · N808PT · Substantial damage
  > The pilot’s failure to adequately compensate for shifting wind conditions, resulting in a hard landing.
- [NTSB ERA24FA265](https://openairdocs.org/ntsb/ERA24FA265.md): Vans RV6 · Methuen, MA · Accident · 1 fatal · Class 3 · Field · Final report · Jun 17, 2024 · N715PA · Substantial damage
  > The pilot’s failure to manage the available fuel supply, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB ANC24LA014](https://openairdocs.org/ntsb/ANC24LA014.md): Benjamin Pratt Bearhawk Patrol · Galena, AK · Accident · No injuries · Class 4 · Limited · Final report · Feb 19, 2024 · N406AK · Substantial damage
  > A loss of engine power as a result of carburetor ice. Contributing to the outcome was the pilot’s failure to effectively use carburetor heat in conditions conducive to the formation of carburetor ice.
- [NTSB CEN24LA038](https://openairdocs.org/ntsb/CEN24LA038.md): Bede BD-4 · Lowell, IN · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 14, 2023 · N931AS · Substantial damage
  > Fatigue cracking of the propeller blade root, which resulted in the in-flight separation of the propeller blade from its root. Contributing to the accident was the improper machining of the blade root threads, which resulted in chatter/ratchet marks that…
- [NTSB ERA24LA039](https://openairdocs.org/ntsb/ERA24LA039.md): Gaulden William D Vans RV-4 · London, KY · Accident · No injuries · Class 4 · Limited · Final report · Nov 7, 2023 · N2606A · Substantial damage
  > The pilot’s inadvertent application of nose down pitch trim during the attempted aborted landing, which resulted in abnormal contact with the runway.
- [NTSB CEN23LA287](https://openairdocs.org/ntsb/CEN23LA287.md): Aerofab LA-4 · Big Prairie, MI · Accident · No injuries · Class 4 · Limited · Final report · Jul 8, 2023 · N993PT · Substantial damage
  > The airplane’s collision with a submerged log during a water landing.
- [NTSB CEN22LA308](https://openairdocs.org/ntsb/CEN22LA308.md): Vans RV6 · Aurora, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 3, 2022 · N184CB · Substantial damage
  > A total loss of engine power due to foreign object debris blockage of engine air intake. The source of the debris could not be determined based on the available information.
- [NTSB WPR22LA231](https://openairdocs.org/ntsb/WPR22LA231.md): James C Geyman RV-9A · Missoula, MT · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 27, 2022 · N12VV · Substantial damage
  > The pilot’s improper fuel management, which resulted in fuel starvation and a loss of engine power. Contributing to the accident was the pilot’s failure to activate the auxiliary fuel boost pump, which inhibited a successful engine restart.
- [NTSB WPR22LA166](https://openairdocs.org/ntsb/WPR22LA166.md): Cessna 170B · Ravensdale, WA · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 24, 2022 · N4398B · Substantial damage
  > A loss of engine power due to fuel exhaustion as a result of the pilot’s inadequate fuel planning.
- [NTSB ERA21LA299](https://openairdocs.org/ntsb/ERA21LA299.md): Vans RV6 · Ocracoke, NC · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 25, 2021 · N464DM · Substantial damage
  > The pilot's failure to perform a go-around during the unstabilized approach, which resulted in the airplane landing too far down the runway, and a subsequent runway excursion.
- [NTSB WPR21LA271](https://openairdocs.org/ntsb/WPR21LA271.md): Vans RV6 · Riverside, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 15, 2021 · N468AC · Substantial damage
  > A total loss of engine power for reasons that could not be determined from available evidence.
- [NTSB ERA21FA253](https://openairdocs.org/ntsb/ERA21FA253.md): Vans RV6 · Buckingham, PA · Accident · 1 fatal · Class 3 · Field · Final report · Jun 15, 2021 · N74MS · Substantial damage
  > An exhaust system leak that resulted in failure of the oil quick drain, a loss of oil lubrication, an in-flight fire, and the pilot’s subsequent loss of airplane control.
- [NTSB CEN21LA243](https://openairdocs.org/ntsb/CEN21LA243.md): Phillips Ralph W Vans RV8 · San Angelo, TX · Accident · Serious injuries · Class 3 · Limited · Final report · May 27, 2021 · N274CV · Substantial damage
  > The loss of engine power due to fuel starvation. Contributing to the accident was the installation of a reduced flow fitting in the fuel line to the carburetor by maintenance personnel.
- [NTSB ERA20CA298](https://openairdocs.org/ntsb/ERA20CA298.md): Vans RV6 · Milton, DE · Accident · Minor injuries · Class 4 · Data collection · Final report · Aug 27, 2020 · N628JB · Substantial damage
  > The pilot and owner’s failure to adequately communicate and establish an understanding of who was flying the airplane, and their failure to take timely action to avoid a collision with terrain.
- [NTSB ERA20CA242](https://openairdocs.org/ntsb/ERA20CA242.md): Cessna 177 · Pittsfield, MA · Accident · No injuries · Class 4 · Data collection · Final report · Jun 29, 2020 · N29334 · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard, bounced landing, and substantial damage to the airplane’s fuselage.
- [NTSB WPR20CA185](https://openairdocs.org/ntsb/WPR20CA185.md): Vans RV 6 · Clovis, NM · Accident · No injuries · Class 4 · Data collection · Final report · Jun 17, 2020 · N1407W · Substantial damage
  > The pilot's improper landing flare which resulted in a hard, bounced landing, and subsequent runway excursion. Contributing to the accident was the airplane’s aft center of gravity at the time of the accident.
- [NTSB WPR20LA133](https://openairdocs.org/ntsb/WPR20LA133.md): Cessna 177 · Lodi, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 29, 2020 · N3386T · Substantial damage
  > The fatigue failure of the no. 4 cylinder connecting rod, which resulted in a total loss of engine power.
- [NTSB CEN20CA114](https://openairdocs.org/ntsb/CEN20CA114.md): Vans RV8 · Harrison, OH · Accident · No injuries · Data collection · Final report · Mar 4, 2020 · N878DZ · Substantial damage
  > The malfunction of the steerable tailwheel, which resulted in a loss of directional control during the landing roll and subsequent impact with the precision approach path indicator lights system.
- [NTSB ERA19LA232](https://openairdocs.org/ntsb/ERA19LA232.md): Vans RV7 · Ocean City, MD · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 19, 2019 · N849GS · Substantial damage
  > The disconnection of the propeller governor control arm from the propeller governor due to a missing attachment bolt, which resulted in a partial loss of engine power during takeoff when the governor control vibrated to a high pitch, low rpm setting.
- [NTSB ERA19FA183](https://openairdocs.org/ntsb/ERA19FA183.md): Vans Vans RV 4 · Green Cove Springs, FL · Accident · 1 fatal · Class 3 · Field · Final report · May 29, 2019 · N319RL · 2 aircraft · Destroyed
  > The failure of each pilot to maintain separation from the other airplane during intentional maneuvers within close proximity of each other.
- [NTSB GAA18CA509](https://openairdocs.org/ntsb/GAA18CA509.md): Cessna 170 · Prineville, OR · Accident · No injuries · Data collection · Final report · Aug 25, 2018 · N4569C · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.
- [NTSB GAA18CA473](https://openairdocs.org/ntsb/GAA18CA473.md): Vans RV6 · Greeley, CO · Accident · Serious injuries · Data collection · Final report · Aug 4, 2018 · N56LK · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack during approach, which resulted in an aerodynamic stall.
- [NTSB CEN18LA286](https://openairdocs.org/ntsb/CEN18LA286.md): Vans RV6 · Coldwater, KS · Accident · Serious injuries · Limited investigation · Final report · Jul 20, 2018 · N306FR · Substantial damage
  > The pilot's loss of control while landing a tailwheel-equipped airplane in gusting wind conditions.
- [NTSB CEN18LA172](https://openairdocs.org/ntsb/CEN18LA172.md): Wittman D R/Wittman D M RV 6 · Borger, TX · Accident · Serious injuries · Limited investigation · Final report · May 11, 2018 · N833DW · Destroyed
  > The pilot's failure to maintain airplane control during landing and during the subsequent aborted landing attempt in crosswind conditions.
- [NTSB CEN17LA367](https://openairdocs.org/ntsb/CEN17LA367.md): Miller Steven M RV6 A · Elbert, CO · Accident · Serious injuries · Limited investigation · Final report · Sep 13, 2017 · N812SM · Substantial damage
  > The pilot’s improper landing flare in strong gusting wind conditions, which resulted in a bounced landing, and his loss of directional control during an attempted go-around, which resulted in a runway excursion and impact with objects.
- [NTSB CEN17LA261](https://openairdocs.org/ntsb/CEN17LA261.md): Cessna 177 · Wauseon, OH · Accident · Minor injuries · Limited investigation · Final report · Jul 5, 2017 · N3225T · Substantial damage
  > The flight instructor’s inadequate preflight fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB WPR17FA134](https://openairdocs.org/ntsb/WPR17FA134.md): Jordan John RV7 · Arlington, AZ · Accident · 2 fatal · Field investigation · Final report · Jun 27, 2017 · N731RV · Destroyed
  > The inflight overstress separation of the vertical stabilizer and rudder during flight which resulted in the pilot's inability to maintain airplane control. Contributing to the accident was an inflight collision with a bird.
- [NTSB GAA17CA028](https://openairdocs.org/ntsb/GAA17CA028.md): Newkirk Thomas Ray Vans RV 6 · Garland, NC · Accident · Minor injuries · Data collection · Final report · Oct 12, 2016 · N164N · Substantial damage
  > The pilot's improper landing flare, which resulted in a bounced landing on the grass runway.
- [NTSB GAA16CA153](https://openairdocs.org/ntsb/GAA16CA153.md): Barnes Thomas A Vans · Bolingbrook, IL · Accident · Serious injuries · Data collection · Final report · Mar 18, 2016 · N442TB · Substantial damage
  > The pilot's failure to maintain direction control during the takeoff roll, which resulted in runway excursion, collision with terrain, and nose over.
- [NTSB WPR15LA127](https://openairdocs.org/ntsb/WPR15LA127.md): Jimenez Vans RV 7A · Dayton, NV · Accident · Minor injuries · Limited investigation · Final report · Mar 8, 2015 · N51MJ · Substantial damage
  > A loss of engine power during descent for reasons that could not be determined because postaccident examination of the engine revealed no anomalies that would have precluded normal operation.
- [NTSB ERA15CA100](https://openairdocs.org/ntsb/ERA15CA100.md): Shannon William RV6A · Pikeville, KY · Accident · Minor injuries · Data collection · Final report · Jan 14, 2015 · N32SN · Substantial damage
  > The pilot's failure to maintain airspeed during landing, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's failure to obtain a preflight weather briefing, and his subsequent flight into icing conditions, which resulted in…
- [NTSB CEN15CA029](https://openairdocs.org/ntsb/CEN15CA029.md): Doubleday Donald Thorp TS-18CW · Reklaw, TX · Accident · No injuries · Data collection · Final report · Oct 25, 2014 · N18DD · Substantial damage
  > The pilot's inadequate monitoring of the airplane's approach path which resulted in long landing and a subsequent runway excursion. Contributing to the accident was the pilot's delayed decision to apply the brakes, inflight traffic, and nearby pedestrians.
- [NTSB ERA14CA259](https://openairdocs.org/ntsb/ERA14CA259.md): Brantly B 2B · Essex, MD · Accident · No injuries · Data collection · Final report · May 25, 2014 · N9023Z · Substantial damage
  > The pilot's failure to maintain helicopter control during landing resulting in a hard landing and a roll over.
- [NTSB CEN13LA536](https://openairdocs.org/ntsb/CEN13LA536.md): Sweet Wayne A Bushby Mustang II · Woodstock, IL · Accident · Minor injuries · Limited investigation · Final report · Sep 8, 2013 · N54WS · Substantial damage
  > The pilot's improper fuel management, which resulted in a loss of engine power due to fuel starvation.
- [NTSB WPR13LA349](https://openairdocs.org/ntsb/WPR13LA349.md): Piper PA-44-180 · Billings, MT · Accident · No injuries · Limited investigation · Final report · Jul 30, 2013 · N5367Y · Substantial damage
  > The pilots’ inadequate landing flare, which resulted in a hard landing and collapse of the left main landing gear.
- [NTSB WPR12LA317](https://openairdocs.org/ntsb/WPR12LA317.md): Herem DR-107 · Bridger, MT · Accident · Serious injuries · Limited investigation · Final report · Jul 21, 2012 · N58GH · Substantial damage
  > The pilot’s failure to maintain airplane control while maneuvering after takeoff.
- [NTSB WPR12CA270](https://openairdocs.org/ntsb/WPR12CA270.md): Fisher Harold R 320 · Adelanto, CA · Accident · No injuries · Data collection · Final report · Jun 17, 2012 · N686KB · Substantial damage
  > The pilot's failure to maintain clearance from a fence during takeoff initial climb. Contributing to the accident was the pilot's decision to not use all of the runway distance available for takeoff and the high density altitude.
- [NTSB WPR12FA062](https://openairdocs.org/ntsb/WPR12FA062.md): Crosley Vans RV-8 · Armistead, CA · Accident · 1 fatal · Field investigation · Final report · Dec 10, 2011 · N948RC · Substantial damage
  > The pilot’s failure to maintain clearance from terrain while performing low altitude aerobatic maneuvers.
- [NTSB ERA11CA256](https://openairdocs.org/ntsb/ERA11CA256.md): Vans RV8 · Locust Grove, GA · Accident · No injuries · Data collection · Final report · Apr 21, 2011 · N190GE · Substantial damage
  > The pilot's failure to maintain aircraft control during the takeoff roll.
- [NTSB WPR11FA490](https://openairdocs.org/ntsb/WPR11FA490.md): Radford RV-6 · Grand Canyon, AZ · Accident · 1 fatal · Field investigation · Final report · Mar 11, 2011 · N650RV · Substantial damage
  > The pilot's intentional flight into terrain.
- [NTSB WPR11CA077](https://openairdocs.org/ntsb/WPR11CA077.md): Cessna 177 · Corona, CA · Accident · No injuries · Data collection · Final report · Dec 12, 2010 · N2262Y · Substantial damage
  > The pilot’s improper flare, which resulted in a hard landing.
- [NTSB CEN10LA551](https://openairdocs.org/ntsb/CEN10LA551.md): Mccauley Gene E RV-6A · Kokomo, IN · Accident · Minor injuries · Limited investigation · Final report · Sep 18, 2010 · N343BG · Substantial damage
  > Collapse of the nose landing gear during landing rollout on an unpaved runway due to a loss of ground clearance with the landing gear fork, causing the airplane to nose over.
- [NTSB ERA10LA280](https://openairdocs.org/ntsb/ERA10LA280.md): Gardner Douglas P VAN/RV8A · Sebring, FL · Accident · 1 fatal · Limited investigation · Final report · May 23, 2010 · N456DG · Substantial damage
  > The pilot's failure to maintain control of the airplane during the landing approach.
- [NTSB WPR10CA145](https://openairdocs.org/ntsb/WPR10CA145.md): Terrell Caragol RV-7 · Oregon City, OR · Accident · No injuries · Data collection · Final report · Feb 22, 2010 · N209MT · Substantial damage
  > The pilot’s failure to attain a proper touchdown point.
- [NTSB WPR09CA416](https://openairdocs.org/ntsb/WPR09CA416.md): Morgan James E Morgan RV6 · Everett, WA · Accident · No injuries · Data collection · Final report · Aug 21, 2009 · N116JM · Substantial damage
  > The pilot’s failure to maintain clearance from objects during taxi. Contributing to the accident was the inadequate marking of the taxiway and obstacles.
- [NTSB CEN09CA511](https://openairdocs.org/ntsb/CEN09CA511.md): Brantly B-2B · Martinsville, IN · Accident · No injuries · Data collection · Final report · Aug 9, 2009 · N9023Z · Substantial damage
  > The pilot's improper recovery during the autorotation. Contributing to the accident was the pilot's delayed remedial action to abort the practice autorotation.
- [NTSB CEN09LA463](https://openairdocs.org/ntsb/CEN09LA463.md): Pilgrim Samuel W JR RV-6 · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Jul 25, 2009 · N56SP · Substantial damage
  > The failure of the rudder pedal which resulted in the pilot's inability to maintain directional control of the aircraft.

Next page: https://openairdocs.org/ntsb.md?engine=41594&page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 ('41594'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41594

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
