NTSB investigations: Lycoming 0-320 series, WA
401 cases on aircraft whose registry engine model is Lycoming 0-320 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
| 1964 | 5 |
|---|---|
| 1965 | 11 |
| 1966 | 7 |
| 1967 | 12 |
| 1968 | 4 |
| 1969 | 5 |
| 1970 | 4 |
| 1971 | 6 |
| 1972 | 8 |
| 1973 | 4 |
| 1974 | 1 |
| 1975 | 6 |
| 1976 | 10 |
| 1977 | 2 |
| 1978 | 12 |
| 1979 | 10 |
| 1980 | 9 |
| 1981 | 14 |
| 1982 | 8 |
| 1983 | 7 |
| 1984 | 6 |
| 1985 | 6 |
| 1986 | 3 |
| 1987 | 5 |
| 1988 | 5 |
| 1989 | 8 |
| 1990 | 4 |
| 1991 | 8 |
| 1992 | 8 |
| 1993 | 3 |
| 1994 | 11 |
| 1995 | 8 |
| 1996 | 6 |
| 1997 | 8 |
| 1998 | 11 |
| 1999 | 11 |
| 2000 | 9 |
| 2001 | 9 |
| 2002 | 8 |
| 2003 | 7 |
| 2004 | 16 |
| 2005 | 5 |
| 2006 | 4 |
| 2007 | 1 |
| 2008 | 11 |
| 2009 | 7 |
| 2010 | 6 |
| 2011 | 7 |
| 2012 | 7 |
| 2013 | 6 |
| 2014 | 3 |
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 6 |
Where
Open the mapLatest 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.\"eventStateOrRegion\" = 'WA' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41508'))
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.
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."eventStateOrRegion" = 'WA' AND c."eventCountry" = 'USA'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41508'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB WPR27FA014Accident · 2 fatalClass 3 · FieldInvestigation openPiper PA-18-150 · Aeneas, WANTSB WPR27FA001Accident · 1 fatalClass 3 · FieldInvestigation openRoesler Scott D Roesler Glasair · Everett, WANTSB WPR26LA336Accident · No injuriesClass 4 · LimitedInvestigation openPiper PA-18-150 · Moses Lake, WANTSB WPR26LA290Accident · No injuriesClass 4 · LimitedInvestigation openPiper PA22 · Goldendale, WANTSB WPR26LA272Accident · No injuriesClass 4 · LimitedFinal reportGrumman American Avn. AA-5A · Metaline Falls, WAThe pilot’s distracted attention on approach to landing on their failure to attain a proper touchdown point and his inability to stop the landing roll on the grass runway.,NTSB WPR26LA142Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-12 · Spanaway, WAThe pilot’s excessive application of brakes, which resulted in the airplane tipping forward onto its nose.NTSB WPR25LA162Accident · No injuriesClass 4 · LimitedFinal reportCessna 172N · Monroe, WAThe student pilot’s failure to maintain airplane control during landing, and the flight instructor’s delayed remedial action, which resulted in impact with a ditch.NTSB WPR25LA155Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-18-150 · Enumclaw, WAOn May 10, 2025, about 1412 Pacific daylight time, a Piper PA-18-150, N333TM, was substantially damaged when it was involved in an accident near Enumclaw, Washington. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal…NTSB WPR25LA061Accident · No injuriesClass 4 · LimitedFinal reportCessna 172M · Gig Harbor, WAThe student pilot’s failure to maintain directional control during a touch-and-go.NTSB WPR24LA139Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson Helicopter R22 Beta · Olympia, WAThe flight instructor’s delayed action to arrest the descending, left pedal turn while maneuvering for a low-altitude hover with the helicopter near the maximum gross weight limitation, which resulted in an impact with the ground and a dynamic rollover.NTSB WPR24LA099Accident · Serious injuriesClass 4 · LimitedFinal reportPiper PA-18A 150 · Dallesport, WAThe pilot’s failure to disengage the ignition prior to moving the propeller by hand resulting in the inadvertent starting of the engine.NTSB WPR23LA180Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-22-150 · Ariel, WAThe pilot’s failure to maintain aircraft control during the landing roll, resulting in a nose over.NTSB WPR23LA010Accident · No injuriesClass 4 · LimitedFinal reportCessna 172M · Burlington, WAThe pilots improper landing flare and remedial action which resulted in a hard, bounced landing.NTSB WPR22LA294Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-28-160 · White Salmon, WAThe pilot’s failure to attain a proper touchdown point, and his delayed decision to go around which, resulted in a collision with trees.NTSB WPR22LA260Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-28-161 · Kelso, WAThe student pilot’s inadequate flare resulting in a loss of airplane control during landing with gusting wind conditions.NTSB WPR22LA194Accident · No injuriesClass 4 · LimitedFinal reportCessna 172M · East Sound, WAThe pilot's failure to attain a proper touchdown point which, resulted in a runway overrun and collision with trees.NTSB WPR22LA017Accident · No injuriesClass 4 · LimitedFinal reportCessna 177 · White Swan, WAA total loss of engine power due to fuel starvation as a result of the pilot's improper fuel management.NTSB WPR21LA295Accident · No injuriesClass 4 · LimitedFinal reportCessna 172I · Renton, WAThe boat operator’s failure to remain a safe distance from the floatplane during the takeoff run, which resulted in a collision.NTSB WPR21LA157Accident · No injuriesClass 4 · LimitedFinal reportCessna 172P · Bellingham, WAThe student pilot’s inadequate flare resulting in a loss of control during landing with a crosswind and subsequent nose over.NTSB WPR21LA151Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Yacolt, WAA partial loss of power caused by carbon build up in the cylinders, which prevented the exhaust valves from seating properly. Contributing to the accident was flying in moderate icing conditions which resulted in reduced aircraft performance and vibrations.NTSB WPR21LA017Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Puyallup, WAA partial loss of engine power as a result of carburetor icing and the flight instructors failure to use carburetor heat.NTSB WPR20CA300Accident · Minor injuriesClass 4 · Data collectionFinal reportCessna 172 · Stuart Island, WAThe pilot’s improper approach airspeed and landing flare, which resulted in a hard, bounced landing and nose over.NTSB WPR20CA125Accident · Minor injuriesData collectionFinal reportCessna 172 · Yakima, WAThe pilot's failure to attain sufficient altitude during a go-around, which resulted in impact with hilly terrain.NTSB WPR19FA124Accident · 2 fatalClass 3 · FieldFinal reportVans RV 6 · Ridgefield, WAThe pilots' inadvertent exceedance of the airplane's critical angle of attack following an inflight collision with a bird.NTSB GAA19CA159Accident · Minor injuriesData collectionFinal reportPiper PA18 · Pullman, WAThe pilot's selection of unsuitable terrain for landing, which resulted in a nose-over.NTSB GAA18CA575Accident · Serious injuriesData collectionFinal reportPiper PA28 · Spokane, WAThe pilot’s improper retraction of the flaps during a go-around, which resulted in the airplane’s failure to climb and its subsequent collision with trees.NTSB GAA18CA290Accident · No injuriesData collectionFinal reportPiper PA 14 · Vashon, WAThe pilot’s failure to maintain directional control of the airplane during the takeoff roll due to his right foot inadvertently applying pressure to both rudder pedals.NTSB GAA18CA248Accident · Minor injuriesData collectionFinal reportCessna 172 · Port Angeles, WAThe pilot’s exceedance of the airplane’s critical angle of attack during a turn away from terrain, which resulted in an accelerated stall. Contributing to the accident was the pilot’s decision to delay the turn to avoid terrain.NTSB WPR18FA104Accident · 1 fatalField investigationFinal reportPiper PA 18-150 · La Center, WAThe pilot's failure to maintain clearance from trees while maneuvering at a low altitude.NTSB GAA18CA078Accident · No injuriesData collectionFinal reportCessna 172 · Everett, WAThe pilot’s decision to abort the takeoff following a touch-and-go landing with too little runway remaining, which resulted in a runway overrun.NTSB WPR17FA215Accident · 1 fatalField investigationFinal reportPiper PA 28-140 · Brinnon, WAThe flight instructor's failure to completely and properly evaluate the student pilot's incorrectly- planned flight, and his failure to use all available resources to maintain situation awareness during the flight, which resulted in controlled flight into…NTSB GAA17CA458Accident · No injuriesData collectionFinal reportRandall Marvin L Vans RV 3A · Spokane, WAThe other pilot’s failure to maintain adequate clearance and visual lookout while taxiing, which resulted in his airplane colliding with the stationary airplane.NTSB GAA17CA216Accident · No injuriesData collectionFinal reportCessna 172 · Twisp, WAThe pilot’s failure to maintain crosswind correction during landing, which resulted in the airplane cartwheeling.NTSB GAA17CA011Accident · No injuriesData collectionFinal reportFuller Neil H Glasair SH 2 · Bellingham, WAThe pilot’s failure to maintain directional control during the takeoff roll in crosswind conditions, which resulted in a runway excursion.NTSB GAA16CA417Accident · No injuriesData collectionFinal reportCessna 172 · Everett, WAThe pilot's failure to maintain clearance from the building door, which resulted in substantial damage to the left wing.NTSB GAA16CA305Accident · Minor injuriesData collectionFinal reportCessna 172 · Pasco, WAThe flight instructor's failure to maintain pitch control during the simulated engine failure after takeoff, which resulted in a hard landing, landing gear(s) collapse, and wing damage.NTSB WPR16LA090Accident · No injuriesLimited investigationFinal reportCessna 172L · McNeil Island, WAThe student pilot's fuel mismanagement, which led to fuel starvation and a total loss of engine power during cruise flight. Contributing to the accident was his failure to follow the appropriate engine start, before takeoff, and emergency checklists.NTSB GAA16CA112Accident · No injuriesData collectionFinal reportPiper PA 18A 150 · Auburn, WAThe failure of the pilot receiving instruction to maintain directional control during the landing roll, resulting in a ground-loop.NTSB WPR15FA215Accident · 2 fatalField investigationFinal reportPiper PA 22-160 · Twin Sisters Mtn, WAThe noninstrument-rated pilot's continued visual flight into instrument meteorological conditions, which resulted in controlled flight into mountainous terrain.NTSB WPR14CA383Accident · No injuriesData collectionFinal reportAmerican Champion 7GCBC · Rimrock, WAThe pilot's failure to maintain aircraft control during takeoff from a rough runway surface which resulted in an off-airport forced landing just beyond the runway.NTSB WPR14CA155Accident · No injuriesData collectionFinal reportCessna 172M · Anacortes, WAThe pilot's improper application of brakes during the landing roll resulted in a runway excursion and nose over.NTSB WPR14CA125Accident · No injuriesData collectionFinal reportCessna 172K · Eastsound, WAThe pilot's inadequate flare and failure to maintain aircraft control during landing in gusty wind conditions.NTSB WPR13CA394Accident · No injuriesData collectionFinal reportHenderson Michael E Glastar · Sequim, WAThe pilot's improper soft field landing technique, and failure to maintain aircraft control during the landing.NTSB WPR13LA299Accident · No injuriesLimited investigationFinal reportCessna 172 - N · Trout Lake, WAThe pilot's failure to maintain clearance from trees during takeoff from a soft field and to abort the landing when the airplane reached the runway’s midpoint at a low airspeed.NTSB WPR13CA279Accident · Minor injuriesData collectionFinal reportPiper PA-18-150 · Cashmere, WAThe pilot’s improper application of the brakes during the landing ground roll, which resulted in a nose over.NTSB WPR13LA262Accident · No injuriesLimited investigationFinal reportPiper PA-28-140 · Burlington, WAThe failure of the rudder bar assembly during landing due to a fatigue crack. Contributing to the accident was the failure of maintenance personnel to perform an adequate inspection of the rudder bar assembly.NTSB WPR13CA124Accident · No injuriesData collectionFinal reportBeech B19 · Ephrata, WAThe student pilot's failure to maintain directional control during the takeoff ground roll in crosswind conditions, and the flight instructor's delayed remedial action.NTSB WPR13CA121Accident · Minor injuriesData collectionFinal reportPiper PA-28-140 · Sunnyside, WAThe pilot’s inadequate vigilance while maneuvering at low altitude and his subsequent failure to maintain clearance from power lines.NTSB WPR13LA003Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R22 Beta · Rockport, WAThe pilot's failure to maintain sufficient rotor rpm during a precautionary landing, which resulted in a hard landing.NTSB WPR12CA204Accident · No injuriesData collectionFinal reportCessna 172P · Spokane, WAThe student pilot's improper landing flare and inadequate recovery from a bounced landing.