NTSB investigations, MD
13 cases where the sequence of events included Loss of engine power (partial).
Cases per year
| 2009 | 1 |
|---|---|
| 2013 | 1 |
| 2015 | 4 |
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 3 |
| 2020 | 1 |
| 2022 | 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\" = 'MD' 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 c."eventStateOrRegion" = 'MD' 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 ERA22LA117Accident · No injuriesClass 3 · LimitedFinal reportHughes 369D · Bel Air, MDA loss of engine power due to bearing failures in the turbine section resulting from a fatigue fracture of the oil supply line that fed oil to the Nos. 6 and 7 bearings. The oil line failure led to rapid deterioration of the bearings from oil starvation.…NTSB ERA20LA341Accident · No injuriesClass 3 · LimitedFinal reportTecnam P92 · Centerville, MDThe fatigue failure of the No. 1 cylinder exhaust valve spring retainer due to air trapped in the lubrication system, which resulted in a total loss of engine power.NTSB ERA19LA274Accident · Minor injuriesClass 3 · LimitedFinal reportSocata TB9 · Fort Meade, MDThe failure of the carburetor intake scat tubing, which resulted in a partial loss of engine power.NTSB ERA19LA232Accident · Minor injuriesClass 3 · LimitedFinal reportVans RV7 · Ocean City, MDThe disconnection of the propeller governor control arm from the propeller governor due to a missing attachment bolt, which resulted in a partial loss of engine power during takeoff when the governor control vibrated to a high pitch, low rpm setting.NTSB ANC19LA034Accident · No injuriesClass 3 · LimitedFinal reportCessna 172RG · Ocean City, MDA partial loss of power due to the liberation or failure of the No. 2 cylinder's exhaust valve.NTSB ERA17LA246Accident · No injuriesClass 3 · LimitedFinal reportCostruzioni Aeronautiche Tecna P92 Eaglet · Stevensville, MDThe fatigue failure of an exhaust valve spring retainer due to air trapped in the lubrication system, which resulted in a total loss of engine power.NTSB ERA16LA319Accident · Minor injuriesClass 3 · LimitedFinal reportGrumman G164 · Chestertown, MDLoss of engine power due to a failure of the No. 3 cylinder head, which resulted in a forced landing and collision with ground equipment.NTSB ERA16LA046Accident · No injuriesLimited investigationFinal reportMooney M20 · Fort Meade, MDA partial loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no mechanical malfunctions or failures that would have precluded normal operation.NTSB ERA15LA368Accident · No injuriesLimited investigationFinal reportCessna 150M · Mount Airy, MDThe in-flight fatigue failure of the No. 4 cylinder barrel, which resulted in a total loss of engine power.NTSB ERA15LA179Accident · No injuriesLimited investigationFinal reportBell 206B · Taylors Island, MDA partial loss of engine power during cruise flight for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.NTSB ERA15LA123Accident · Serious injuriesLimited investigationFinal reportAmerican AA-1 · Fort Meade, MDThe mechanic’s failure to detect the incorrect dry valve tappet clearances while troubleshooting ongoing engine issues, which resulted in partial loss of engine power during takeoff. Contributing to the partial loss of engine power was the mechanic's failure…NTSB ERA13LA342Accident · Minor injuriesLimited investigationFinal reportMooney M20J · Leonardtown, MDThe improper installation and inspection of the throttle linkage by maintenance personnel, which resulted in the throttle linkage coming loose and a subsequent partial loss of engine power.NTSB ERA09LA187Accident · Minor injuriesLimited investigationFinal reportDoyle-Michael Sonerai-II · Leonardtown, MDThe pilot's continued operation of the airplane with a known mechanical deficiency. Contributing to the accident was the improper installation of the electronic ignition system.