NTSB investigations: Lycoming IO-540 series, WY
15 cases on aircraft whose registry engine model is Lycoming IO-540 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
| 1990 | 1 |
|---|---|
| 1992 | 1 |
| 1993 | 1 |
| 2001 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2008 | 1 |
| 2010 | 1 |
| 2015 | 1 |
| 2018 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2026 | 2 |
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\" = 'WY' 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 ('41530', '41585'))
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" = 'WY' 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 ('41530', '41585'))
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 WPR26LA083Accident · No injuriesClass 4 · LimitedFinal reportRobinson R44 · Parkman, WYThe pilots’ failure to maintain separation while conducting air work in a common operational area. Contributing to the accident was the pilots’ divided attention associated with the mission activity and unreliable radio communications.NTSB WPR26LA084Accident · No injuriesClass 4 · LimitedFinal reportMaule M-7-235B · Cody, WYThe pilot's failure to maintain directional control during landing roll.NTSB WPR23FA137Accident · 1 fatalClass 3 · FieldFinal reportCessna 182S · Alcova, WYThe airplane’s encounter with low level wind shear associated with moderate turbulence, which resulted in a loss of airplane control.NTSB WPR23LA108Accident · No injuriesClass 4 · LimitedFinal reportMaule M-7-260C · Lander, WYThe pilot’s failure to maintain directional control during landing.NTSB WPR22LA187Accident · Minor injuriesClass 4 · LimitedFinal reportTwenty Second Street Backcountry Boss · Douglas, WYThe pilot’s inadequate flare and subsequent loss of airplane control during landing.NTSB GAA18CA462Accident · No injuriesData collectionFinal reportPiper PA24 · Evanston, WYThe pilot's failure to extend the landing gear during landing. Contributing to the accident were the pilot's distraction and his failure to complete the appropriate checklist before landing.NTSB GAA15CA291Accident · No injuriesData collectionFinal reportMaule M 7-235C · Kemmerer, WYA hard landing which resulted in a loss directional control and ground loop.NTSB WPR11FA082Accident · 3 fatalField investigationFinal reportAero Commander 114B · Lander, WYThe non-instrument-rated pilot's decision to continue visual flight in instrument or marginal visual meteorological conditions in mountainous terrain, which resulted in controlled flight into terrain. Contributing to the accident was the pilot's lack of…NTSB LAX08CA249Accident · No injuriesData collectionFinal reportFowler SX300 · Cheyenne, WYLoss of engine power due to fuel starvation.NTSB DEN05CA138Accident · No injuriesData collectionFinal reportRobinson R44 II · Jackson, WYthe pilot's failure to maintain aircraft control during initial takeoff climb resulting in an uncontrolled descent and impact with terrain. A contributing factor was the pilot's encounter in settling with power.NTSB DEN04CA125Accident · Minor injuriesData collectionFinal reportMaule M-6-235 · Dubois, WYthe pilot's misjudgment of altitude/distance resulting in an undershoot of the runway.NTSB DEN01LA149Accident · No injuriesLimited investigationFinal reportPiper PA-32RT-300 · Rock Springs, WYthe mechanic's failure to perform an airworthiness directive, which resulted in the loss of engine oil through a partially failed oil filter converter plate gasket, and subsequent failure of a connecting rod during cruise flight. A contributing factor was the…NTSB SEA93LA203Accident · No injuriesLimited investigationFinal reportMaule M-7-235 · Recluse, WYThe brake system locked for undetermined reasons.NTSB SEA92LA078Accident · No injuriesLimited investigationFinal reportMaule M-7 · Aravada, WYThe pilot's failure to maintain a visual lookout, and his diverted attention. Factors include a low pass, and a transmission wire in the path of flight.NTSB SEA90LA147Accident · Minor injuriesLimited investigationFinal reportLake LA-250 · Rawlins, WYPilot's improper planning/decision, and his misjudgement of the aircraft's climb capability in conditions of high density altitude and unanticipated atmospheric conditions. The high density altitude and rising terrain were related factors.