NTSB investigations: Lycoming IO-540-AE1A5, 2015
10 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
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 year(c.\"eventDate\") = 2015
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") = 2015
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 ANC16LA010Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Valdez, AKThe overhaul facility’s improper and excessive use of an approved lubricant during overhaul of the fuel injection servo, which resulted in a disruption of fuel flow and a total loss of engine power.NTSB CEN16LA039Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Alpine, TXThe pilot’s failure to maintain adequate rotor speed while maneuvering at low altitude, which resulted in a descent from which he was unable to recover. Contributing to the accident was the pilot's decision to conduct the flight at or near the helicopter's…NTSB GAA16CA006Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Devine, TXThe pilot's failure to maintain obstacle clearance during the takeoff, which resulted in the helicopter striking power lines.NTSB CEN15LA439Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Alice, TXA loss of engine power during a practice power recovery autorotation for reasons that could not be determined based on the available information.NTSB CEN15LA387Accident · Serious injuriesLimited investigationFinal reportRobinson R44 II · Cheyenne, WYThe pilot's improper preflight performance planning, which resulted in a hard landing due to low rotor rpm while operating near maximum gross weight in high density altitude conditions.NTSB CEN15LA375Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Carlos, TXThe pilot’s improper decision to turn the helicopter toward a tailwind during an out-of-ground-effect hover, which resulted in a loss of tail rotor effectiveness. Contributing to the accident was the accident and lead pilots’ inadequate preflight risk…NTSB CEN15LA285Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Danville, ARThe loss of engine power for reasons that could not be determined based on the available information.NTSB CEN15LA198Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Dunlap, ILA loss of main rotor rpm for reasons that could not be determined during postaccident examinations.NTSB ERA15FA164Accident · 3 fatalField investigationFinal reportRobinson Helicopter R44 II · Orlando, FLAn inflight loss of control due to the likely detachment of the forward left servo control tube upper rod end attachment bolt.NTSB ERA15CA089Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 II · Barranquitas, PRThe pilot's failure to maintain control of the helicopter while landing which resulted in a tailrotor ground strike and collision with terrain.