NTSB investigations, OK
26 cases where the sequence of events included Loss of engine power (partial).
Cases per year
| 2008 | 2 |
|---|---|
| 2009 | 3 |
| 2010 | 2 |
| 2012 | 2 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 5 |
| 2017 | 2 |
| 2019 | 1 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2026 | 2 |
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\" = 'OK' 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" = 'OK' 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 CEN27LA029Accident · No injuriesLimited investigationInvestigation openPiper PA-28 · Claremore, OKNTSB CEN26LA248Accident · Serious injuriesClass 3 · LimitedPreliminary reportPiper PA-30 · Tulsa, OKOn July 9, 2026, about 1729 central daylight time, a Piper PA-30 airplane, N8154Y, was substantially damaged when it was involved in an accident near Tulsa, Oklahoma. The flight instructor and pilot under instruction were seriously injured. The airplane was…NTSB CEN23LA152Accident · Minor injuriesClass 3 · LimitedFinal reportVans RV6 · Goldsby, OKThe engine electronic ignition system became disconnected, which resulted in a partial loss of engine power.NTSB CEN22LA255Accident · No injuriesClass 3 · LimitedFinal reportMooney M20E · Stillwater, OKThe inadequate maintenance and inspection of the engine induction air coupling, which impeded airflow to the engine and resulted in the subsequent partial loss of engine power.NTSB CEN21LA047Accident · Serious injuriesClass 3 · LimitedFinal reportErcoupe 415 · Ardmore, OKThe pilot’s improper decision to takeoff with 3 persons in a 2-place airplane and over maximum gross weight, and his failure to apply carburetor heat when the airplane’s engine experienced carburetor ice and a partial loss of power.NTSB CEN20LA292Accident · No injuriesClass 3 · LimitedFinal reportBeech A23-24 · Burns Flat, OKThe mechanic’s improper maintenance when he reinstalled the fuel servo during the last annual inspection, which resulted in a loss of engine power during cruise flight when the throttle control rod-end disconnected from the fuel servo throttle linkage.NTSB CEN19LA233Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Kingston, OKThe partial loss of engine power due to a stuck exhaust valve.NTSB CEN17LA251Accident · No injuriesLimited investigationFinal reportCody Hawkins JA30 Superstol · Ponca City, OKContamination of the fuel system, resulting in a partial loss of engine power and subsequent off-airport landing.NTSB CEN17LA242Accident · No injuriesLimited investigationFinal reportBellanca 17 30 · Grove, OKAn unporting of fuel in the right wing while maneuvering in the airport traffic pattern, which resulted in a partial loss of engine power due to fuel starvation.NTSB CEN16LA082Accident · No injuriesLimited investigationFinal reportBeech V35B · Tahlequah, OKA partial loss of engine power shortly after takeoff due to an inadequately tightened fuel line. Also causal was the pilot's failure to extend the landing gear once the airplane was in a position to safely land on the runway.NTSB CEN15LA258Accident · Minor injuriesLimited investigationFinal reportFlight Design Ctsw · Haskell, OKThe loss of engine power for reasons that could not be determined because a postaccident engine examination and test run did not reveal any evidence of preimpact malfunctions or failures that would have precluded normal operation.NTSB CEN15LA238Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · Omega, OKImproper base metal preparation or contamination of the No. 5 cylinder wall before it was coated, which resulted in the coating peeling off of the cylinder wall and contaminating the engine oil and the subsequent partial loss of engine power.NTSB CEN15LA205Accident · Minor injuriesLimited investigationFinal reportPitts Model 12 · Burneyville, OKThe partial loss of engine power due to contamination of the fuel system.NTSB CEN15LA180Accident · Minor injuriesLimited investigationFinal reportCessna 208B · Verdigris, OKThe fuel pump gear manufacturer’s allowance of set-up gears made from a nonconforming material to be put in the production inventory system, the installation of a nonconforming gear in the accident airplane’s production fuel pump, and the gear’s failure,…NTSB CEN14FA434Accident · 1 fatalField investigationFinal reportPiper PA 32-300 · Ardmore, OKThe partial loss of engine power for reasons that could not be determined because thermal damage to the engine prevented a complete examination.NTSB CEN14LA199Accident · Serious injuriesLimited investigationFinal reportErcoupe 415 C · Cookson, OKThe pilot’s failure to properly secure the primer, which resulted in the loss of engine power during takeoff.NTSB CEN13LA390Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Boise City, OKThe total loss of engine power for reasons that could not be determined because postaccident examination of the engine and fuel system revealed no anomalies.NTSB CEN12LA368Accident · Serious injuriesLimited investigationFinal reportMooney M20F · Hooker, OKThe pilot’s loss of airplane control after a partial loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine revealed no evidence of mechanical malfunctions or failures, which resulted in an…NTSB CEN12LA299Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Shawnee, OKThe improper installation of the mixture cable by maintenance personnel, which allowed the mixture cable to entangle with the landing gear during gear extension and led to the subsequent loss of engine power.NTSB CEN10LA440Accident · No injuriesLimited investigationFinal reportBeech F35 · Enid, OKA loss of engine power for undetermined reasons.NTSB CEN10LA272Accident · No injuriesLimited investigationFinal reportNorth American T-28A · Oklahoma City, OKThe failure of the master rod bearing, which resulted in a loss of engine power.NTSB CEN09CA563Accident · Minor injuriesData collectionFinal reportHalbert James H Rans S-7 · Short, OKA partial loss of engine power for undetermined reasons.NTSB CEN09LA325Accident · Minor injuriesLimited investigationFinal reportCessna 182 · Skiatook, OKLoss of engine power for undetermined reasons.NTSB CEN09CA192Accident · Minor injuriesData collectionFinal reportChampion 7FC · Thomas, OKA partial loss of engine power for undetermined reasons.NTSB CEN09CA062Accident · No injuriesData collectionFinal reportPiper PA-18 · Foraker, OKThe pilot's failure to maintain directional control during the precautionary landing. Contributing to the accident were the wind gusts.NTSB DFW08LA176Accident · Minor injuriesLimited investigationFinal reportPiper PA-32RT-300T · Cookson, OKThe partial loss of engine power during initial takeoff climb for undetermined reasons. Contributing to the accident was the lack of suitable terrain for the forced landing.