NTSB investigations: Lycoming IO-540-AE1A5, 2021
15 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 | 5 |
|---|---|
| 2008 | 4 |
| 2009 | 6 |
| 2010 | 3 |
| 2011 | 3 |
| 2012 | 9 |
| 2013 | 8 |
| 2014 | 6 |
| 2015 | 10 |
| 2016 | 6 |
| 2017 | 11 |
| 2018 | 8 |
| 2019 | 14 |
| 2020 | 5 |
| 2021 | 15 |
| 2022 | 8 |
| 2023 | 8 |
| 2024 | 12 |
| 2025 | 13 |
| 2026 | 6 |
Where
Latest 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 year(c.\"eventDate\") = 2021
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 year(c."eventDate") = 2021
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 ERA22FA098Accident · 4 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 II · Bronson, FLA loss of control due to spatial disorientation as a result of the noninstrument-rated pilot’s improper decision to attempt a visual flight rules flight at night into an area of known reduced visibility due to fog.NTSB CEN22LA034Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Fort Davis, TXThe pilot’s encounter of a downdraft from which there was insufficient altitude to recover.NTSB ERA22FA010Accident · 1 fatalClass 3 · FieldFinal reportRobinson Helicopter R44 II · Cornwall, NYThe non-instrument-rated pilot’s continued flight into deteriorating weather conditions, which resulted in a loss of control due to spatial disorientation.NTSB ANC22LA001Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Palmer, AKThe unmanned aircraft pilot’s failure to yield the right of way to the helicopter.NTSB ERA21LA387Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Miami, FLThe pilot’s loss of helicopter control after landing. Also causal was the pilot’s intentional operation of the helicopter without the required training, experience, and endorsements.NTSB CEN21LA369Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Wheeling, ILA partial loss of engine power for reasons that could not be determined based on available information.NTSB CEN21LA349Accident · Serious injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Randolph, WIThe pilot’s failure to maintain clearance from power lines during a low-level aerial application flight.NTSB CEN21LA339Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · West Liberty, IAThe pilot’s failure to see and avoid a wire while maneuvering at low altitude during an aerial application flight, resulting in a collision with the wire.NTSB ERA21LA295Accident · 2 fatalClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Point Harbor, NCThe noncertificated pilot’s decision to continue visual flight rules flight into instrument meteorological conditions, which resulted in spatial disorientation over a large body of water and a high velocity impact with the water. Contributing to the accident…NTSB CEN21FA330Accident · 1 fatalClass 3 · FieldFinal reportRobinson R44 · Elgin, MNThe pilot’s decision to operate the helicopter under powerlines, which resulted in a main rotor blade striking a powerline, causing the helicopter to descend from a low altitude and impact terrain.NTSB ERA21LA292Accident · Serious injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Princeton, KYThe pilot’s inadequate preflight planning in that he failed to accurately determine the takeoff weight of the helicopter, which resulted in exceeding the helicopter’s maximum weight capability.NTSB CEN21LA284Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Reserve, LAA total loss of engine power for undetermined reasons.NTSB CEN21LA173Accident · Serious injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Dustin, OKThe pilot’s insufficient monitoring of the helicopter’s power while flying at low altitude and at low airspeed, which resulted in the loss of rotor rpm and impact with a tree and terrain.NTSB GAA21WA047Accident · Minor injuriesClass 5 · ForeignRobinson Helicopter R44 II · Rosh Pinna, IsraelNTSB CEN21LA109Accident · No injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Albany, TXThe pilot’s inadequate pretakeoff checks which resulted in the magneto switch (key) remaining in the OFF position during the takeoff sequence and initial climb and the right magneto grounding intermittently.