NTSB investigations: Lycoming 0-320 series, MT
231 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, newest first
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\" = 'MT' 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" = 'MT' 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 SEA03CA102Accident · No injuriesData collectionFinal reportPiper PA-18 · Silver City, MTProper descent rate not maintained while on final approach. A wind gust is a factor in the accident.NTSB SEA03LA099Accident · No injuriesLimited investigationFinal reportPiper PA-18A-150 · Laurel, MTAircraft control was not maintained during the landing roll. The aircraft subsequently nosed over.NTSB SEA03LA091Accident · No injuriesLimited investigationFinal reportCessna 150 · Dillon, MTThe pilot's failure to maintain directional control during the takeoff roll, and his inadequate remedial actions during his attempt to realign the aircraft with the runway. Factors include a crosswind, and the pilot's lack of experience in tailwheel-equipped…NTSB SEA03LA068Accident · No injuriesLimited investigationFinal reportPiper PA-18-135 · Marion, MTThe pilot-in-command's failure to maintain directional control during the takeoff roll resulting in the aircraft leaving the runway, crossing a ditch and collapsing the landing gear. A contributing factor was the ditch.NTSB SEA03LA004Accident · Minor injuriesLimited investigationFinal reportBellanca 7GCBC · Helena, MTThe student pilot's failure to maintain clearance from a tower during an aborted landing. Factors include landing with a tailwind and a tower.NTSB SEA02FA063Accident · 2 fatalField investigationFinal reportPiper PA-18-150 · Silesia, MTThe non-certificated pilot's inadvertent entry into a stall condition at low altitude.NTSB SEA02LA058Accident · Serious injuriesLimited investigationFinal reportPiper PA-18-150 · Fort Peck, MTThe pilot's inability to maintain aircraft control and foreign object damage to the aileron and wing. The restricted movement of the flight controls was a factor.NTSB SEA01LA124Accident · No injuriesLimited investigationFinal reportPiper PA-22 · Lewistown, MTPilot's failure to maintain directional control of the aircraft while landing.NTSB SEA01LA122Accident · No injuriesLimited investigationFinal reportPiper PA-38-112 · Bozeman, MTThe pilot of another aircraft failed to maintain clearance while maneuvering for a formation flight. An updraft was a factor.NTSB SEA01LA117Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Billings, MTThe pilot-in-command's failure to maintain directional control of the aircraft during the landing roll. A contributing factor was the gusty crosswind conditions.NTSB SEA01LA019Accident · Serious injuriesLimited investigationFinal reportPiper PA-18 · Broadus, MTThe pilot's failure to maintain aircraft control during the takeoff phase of the flight.NTSB SEA01LA018Accident · No injuriesLimited investigationFinal reportPiper PA-20 · Great Falls, MTThe pilot's improper decision to land on unsuitable terrain. Factors include snow covered terrain.NTSB SEA00LA190Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-140 · Miles City, MTA loss of engine power for undetermined reasons.NTSB SEA00LA128Accident · No injuriesLimited investigationFinal reportKeith Kinden Rebel · Libby, MTAn improper installation of a rudder control cable Nicopress sleeve by the owner/builder. The rudder control cable disconnection and the slipped cable from the sleeve were factors.NTSB SEA00LA053Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Three Forks, MTThe pilot's failure to maintain directional control of the tailwheel equipped airplane.NTSB SEA99LA154Accident · No injuriesLimited investigationFinal reportBellanca 7GCBC · Columbus, MTThe pilot's failure to maintain directional control. A wet runway surface was a factor.NTSB SEA99LA050Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Boulder, MTThe pilot-in-command's failure to maintain directional control after encountering a dust-devil during landing rollout, resulting in a ground loop and collapse of the main landing gear. Factors include the dust-devil.NTSB SEA99LA004Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Billings, MTDirectional control was not maintained. Inadequate remedial action was a factor.NTSB SEA98FA161Accident · 1 fatalField investigationFinal reportCessna 177 · Red Lodge, MTThe pilot's failure to maintain adequate altitude over, or clearance with, mountainous terrain during night visual flight rules flight. Factors included night lighting conditions and mountainous terrain.NTSB SEA97LA208Accident · No injuriesLimited investigationFinal reportBellanca 7GCBC · Columbus, MTthe pilot passenger failed to maintain clearance from the power line.NTSB SEA97LA116Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-140 · Hysham, MTA failure of an engine exhaust valve and the pilot's misjudgement of altitude/distance during an emergency landing at an airstrip.NTSB SEA96LA041Accident · No injuriesLimited investigationFinal reportCessna 172K · Park City, MTInadequate visual lookout by the pilot, and his failure to maintain sufficient altitude/clearance from the transmission line.NTSB SEA96LA018Accident · No injuriesLimited investigationFinal reportPiper PA-22-160 · Seeley Lake, MTThe pilot's selection of unsuitable terrain for landing. The snow covered runway was a factor.NTSB SEA96LA009Accident · No injuriesLimited investigationFinal reportCessna 172N · Laurel, MTthe student pilot's improper planning/decision, which resulted in inadequate altitude/clearance from hangar buildings and a subsequent emergency landing, while attempting to evade a flock of geese. The flock of geese was a related factor.NTSB SEA94LA140Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Culbertson, MTThe pilot's failure to maintain directional control. Factors include gusty crosswinds, and a fence near the point of takeoff.NTSB SEA94LA132Accident · Serious injuriesLimited investigationFinal reportPiper PA-12 · Nashua, MTAirspeed was not maintained. Factors include an inadvertent stall.NTSB SEA94LA048Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Missoula, MTThe pilot/passenger's failure to maintain directional control and the pilot in command's failure to properly supervise the landing.NTSB SEA93LA093Accident · No injuriesLimited investigationFinal reportCessna 172K · Pony, MTThe improper preflt planning by the PIC and his failure to attain takeoff airspeed during ground roll on a soft snow covered airstrip. A factor relating to the accident was the soft snow on the airstrip.NTSB SEA93LA068Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Winnett, MTThe student pilot's failure to maintain directional control. Factors contributing to the accident were the snowbank and lack of total experience in type operation.NTSB SEA92LA110Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-140 · Monarch, MTThe pilot in command's disregard of the weather forecast and failure to maintain clearance with trees/terrain. Factors contributing to the accident were: hilly/mountainous terrain, weather conditions: rain, low ceilings and downdrafts, trees and the pilot in…NTSB SEA92LA072Accident · No injuriesLimited investigationFinal reportPiper PA-23-160 · Missoula, MTPartial blockage of the left engine induction air filter, inability to maintain the proper rate of descent, and delayed extension of the landing gear. Factors contributing to the accident were icing conditions, wing ice, and rough/uneven terrain.NTSB SEA91LA228Accident · No injuriesLimited investigationFinal reportCessna 172N · Butte, MTUnfavorable winds. Factors to the accident were: inadequate weather evaluation and lack of total flight experience.NTSB SEA91LA208Accident · Minor injuriesLimited investigationFinal reportChampion 7GCAA · Townsend, MTThe instructor pilot's not maintaining the power off stall speed resulting in a stall condition. A factor contributing to the accident was the lack of sufficient altitude to enable a successful recovery from the stall.NTSB SEA91LA196Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Roy, MTThe failure of the pilot to maintain clearance from obstacles during takeoff.NTSB SEA90LA144Accident · Serious injuriesLimited investigationFinal reportPiper PA-18-150 · Jordan, MTPilot's failure to switch fuel tanks and the unsuitable terrain available for a forced landing.NTSB SEA90LA142Accident · Minor injuriesLimited investigationFinal reportPiper PA-18-150 · Dupuyer, MTPilot's misjudged touchdown and delay in initiating the balked landing.NTSB DEN90LA108Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Powderville, MTPilot failed to maintain terrain clearance during descent on an aerial application swath run, resulting in an in flight collision with the terrain. That the pilot misjudged the pull up altitude is considered a contributing factor.NTSB DEN90LA088Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-140 · Forsyth, MTAn unexplained loss of engine power. A factor was the rough unsuitable terrain in which the forced landing was made.NTSB DEN90LA087Accident · No injuriesLimited investigationFinal reportCessna 172M · Three Forks, MTPilot's misjudged landing flare.NTSB DEN90LA075Accident · No injuriesLimited investigationFinal reportCessna 172 · Elkhorn, MTThe pilot's decision to attempt flight in terrain and conditions which exceeded the performance capabilities of the airplane.NTSB DEN90LA035Accident · No injuriesLimited investigationFinal reportCessna 172P · Billings, MTThe failure of the pilot to maintain directional control during adverse wind conditions.NTSB DEN90LA032Accident · 1 fatalLimited investigationFinal reportPiper PA-18-150 · Powderville, MTThe pilot in command left the airplane unattended with the engine running. That the pilot's son did not understand the unsafe condition is considered a contributing factor.NTSB DEN89FA117Accident · Serious injuriesField investigationFinal reportPiper PA-28-140 · Livingston, MTThe poor judgement displayed by the pilot when he maneuvered the airplane at extremely low altitude over mountainous terrain. During the flight the pilot misjudged the pull-up required and struck trees.NTSB DEN89LA114Accident · Minor injuriesLimited investigationFinal reportPiper PA-18-150 · Bozeman, MTImproper in-flight planning/decision by the pilot which led to his failure to maintain directional control during the landing. Contributing factors were: use of an unfavorable runway, crosswind, and gusts.NTSB DEN89LA094Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Great Falls, MTThe failure of the pilot in compensate adequately for wind conditions, and landing despite having been alerted to wind conditions.NTSB DEN89LA065Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Medicine Lake, MTSelection of unsuitable terrain by the pilot, resulting in a collision with snowdrifts during landing ground run.NTSB DEN88FA097Accident · 2 fatalField investigationFinal reportCessna 150 · Deer Lodge, MTNTSB DEN88FA071Accident · 3 fatalField investigationFinal reportCessna 172M · Red Lodge, MTThe plt and two pax were returning to twin falls, id from billings, MT. The plt rec two wx briefings prior to dep. The wx forecast indicated low clouds, snow, turb and icing cond along the intended route of flight. The route of flight required the plt to…NTSB DEN87LA169Accident · No injuriesLimited investigationFinal reportPiper PA-22-150 · Red Lodge, MTThe plt stated that shortly after takeoff he intended to switch fuel to fullest tank but inadvertently put the fuel selector on off position. The engine failed. He did not have enough altitude or time to correct the situation and had to make a forced landing…NTSB DEN87LA139Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Wolf Point, MTThe pilot was on approach to his private strip at approxiamtely 25 feet AGL when the aircraft stalled. The aircraft dropped onto the runway, the pilot added full power attempting to recover, the left wing dipped and struck the ground.