NTSB investigations, 2017, CA
13 cases where the sequence of events included Loss of engine power (partial).
Cases per year
| 2008 | 8 |
|---|---|
| 2009 | 18 |
| 2010 | 16 |
| 2011 | 12 |
| 2012 | 12 |
| 2013 | 7 |
| 2014 | 14 |
| 2015 | 10 |
| 2016 | 10 |
| 2017 | 13 |
| 2018 | 10 |
| 2019 | 6 |
| 2020 | 8 |
| 2021 | 9 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 4 |
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\") = 2017
AND c.\"eventStateOrRegion\" = 'CA' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '342' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\"))
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") = 2017 AND c."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '342' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
Run 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 WPR18LA034Accident · Serious injuriesClass 2 · LimitedFinal reportCessna 172P · San Jose, CAThe pilot's delayed decision to execute an emergency landing and his attempt to return to the airport following a partial loss of power due to wear on internal engine components, which prevented the engine from developing full-rated power during the…NTSB WPR18LA039Accident · No injuriesClass 3 · LimitedFinal reportCessna 172R · Redding, CAThe fatigue separation of the crankshaft due to a fatigue fracture, which resulted in a total loss of engine power and a subsequent off-airport landing and impact with a fence.NTSB WPR18LA007Accident · No injuriesClass 3 · LimitedFinal reportThomas Stephen Glasair Super II RG · Santa Ynez, CAA partial loss of engine power for reasons that were not determined.NTSB WPR17LA208Accident · Minor injuriesLimited investigationFinal reportPiper PA 28-161 · El Cajon, CAA partial loss of engine power due to the formation of carburetor ice during descent for landing. Contributing to the accident was the pilot’s failure to apply carburetor heat.NTSB WPR17LA197Accident · Serious injuriesLimited investigationFinal reportBoeing A75N1(PT17) · Santa Paula, CAA partial loss of engine power during initial climb for reasons that could not be determined based on the available information.NTSB WPR17LA188Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R44 II · El Dorado Hills, CAMaintenance personnel's inadequate routine maintenance on the helicopter engine, which led to low cylinder compression, improper magneto timing, and camshaft lobe wear, which subsequently resulted in degraded engine performance.NTSB WPR17LA174Accident · No injuriesLimited investigationFinal reportRockwell International S 2R · Brawley, CAThe partial loss of engine power due to the overstress separation of three supercharger drive gear teeth.NTSB WPR17FA146Accident · 1 fatalField investigationFinal reportChicco Miguel E Quicksilver Sport II · Point Mugu, CAA partial loss of engine power for reasons that could not be determined during postaccident examination in combination with the low cruise altitude selected by the pilots, which resulted in an ocean ditching. The lack of personal flotation devices likely…NTSB WPR17LA140Accident · Serious injuriesLimited investigationFinal reportRobinson R44 · Bella Vista, CAA partial loss of engine power during low-altitude maneuvering for reasons that could not be determined because postaccident examinations of the engine and airframe revealed no evidence of any preaccident mechanical malfunctions or failures that would have…NTSB WPR17LA136Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 310R · Santa Ana, CAThe pilot’s inability to maintain adequate airspeed after a loss of power to the right engine while maneuvering in the pattern to return to the airport. Contributing to the accident were the loss of power to the right engine for reasons that could not be…NTSB WPR17LA094Accident · Minor injuriesLimited investigationFinal reportYakovlev YAK 52 · Porterville, CAA partial loss of engine power due to contaminants in the fuel system that decreased the fuel flow, the source of which could not be determined.NTSB WPR17LA067Accident · Minor injuriesLimited investigationFinal reportGuarino Vans · Marysville, CAA partial loss of engine power for reasons that could not be determined due to the fragmentation of the electrical system.NTSB WPR17LA048Accident · No injuriesLimited investigationFinal reportSchosanski John H Cozy MK IV R · Napa, CAA partial loss of power due to missing apex seals.