NTSB investigations: Lycoming IO-540-AE1A5, UT
6 cases on aircraft whose registry engine model is Lycoming IO-540-AE1A5. 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
| 2007 | 1 |
|---|---|
| 2009 | 1 |
| 2014 | 1 |
| 2016 | 1 |
| 2022 | 1 |
| 2024 | 1 |
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\" = 'UT' 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 ('41899'))
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" = 'UT' 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 ('41899'))
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 WPR24LA241Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Herriman, UTA hard landing following a total loss of engine power due to fuel starvation as a result of the improper idle setting of the helicopter’s engine. Contributing to the loss of engine power was the instructor’s reduction of engine power past that recommended by…NTSB WPR22LA267Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Cedar City, UTThe student pilot’s failure to maintain rotor rpm and airspeed and the flight instructor's inadequate remedial action to regain helicopter control during the straight-in autorotation which resulted in a hard landing.NTSB WPR16LA165Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Gunnison, UTA total loss of engine power for reasons that could not be determined based on the available evidence.NTSB WPR15FA051Accident · 2 fatalField investigationFinal reportRobinson Helicopter R44 · Bountiful, UTThe pilot/mechanic's failure to properly secure the pitch link hardware of one main rotor blade to the rotating swash plate, which resulted in the pitch link separating in flight and a subsequent loss of control.NTSB WPR09FA076Accident · Serious injuriesField investigationFinal reportRobinson Helicopter R44 II · West Valley City, UTThe pilot’s inadvertent VFR flight into IMC conditions, which resulted in his spatial disorientation and loss of control of the helicopter. Also causal was the flight instructor’s delay in taking remedial action.NTSB SEA08CA002Accident · Minor injuriesData collectionFinal reportRobinson R44 II · Lake Powell, UTThe pilot's inadequate preflight inspection and failure to remove a tie-down strap before departure.