NTSB investigations
25 cases where NTSB found Propeller controlling system.
Cases per year
| 2008 | 4 |
|---|---|
| 2009 | 1 |
| 2010 | 3 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 2 |
| 2016 | 1 |
| 2019 | 4 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2024 | 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.\"mKey\" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '01046120')) 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."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01046120')) 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 ANC24LA064Accident · No injuriesClass 3 · LimitedFinal reportDehavilland DHC-2T · Petersville, AKAn in-flight loss of thrust due to an uncommanded feathering of the propeller for reasons that could not be determined.NTSB ERA24LA208Accident · Serious injuriesClass 3 · LimitedFinal reportAdmore International Jets Aircam · DeLand, FLThe uncommanded movement of the left propeller into reverse during approach for undetermined reasons, resulting in an in-flight loss of control of the airplane at low altitude during approach.NTSB WPR23LA283Accident · Minor injuriesClass 3 · LimitedFinal reportBeech C35 · Rock Springs, WYMaintenance personnel’s failure to properly secure the propeller pitch control rod castellated nut hardware, which resulted in an in-flight failure of the pitch control bearing and subsequent loss of engine RPM and thrust.NTSB ERA23LA279Accident · Serious injuriesClass 4 · LimitedFinal reportEdmisten Robert Eugene SR Rans S-14 Airaile · Bonaire, GAThe pilot’s failure to properly adjust the propeller’s pitch angle, which resulted in a loss of thrust and an inability to maintain altitude.NTSB DCA22FA082Accident · No injuriesClass 3 · FieldFinal reportJoby Aero JAS4-2 · Jolon, CAThe separation of a propeller blade during expansion flight testing that resulted in cascading effects to include the separation of multiple propulsion motor/propeller assemblies and the loss of remote pilot control of the aircraft. Contributing to the…NTSB ERA20LA077Accident · No injuriesClass 3 · LimitedFinal reportVelocity Elite RG · St. Petersburg, FLA failure of the propeller pitch change electric motor, which resulted in an improper setting for takeoff and a subsequent runway overrun. Also causal was the inadequate maintenance and inspection of the propeller system and the pilot’s failure to follow the…NTSB CEN19LA313Accident · No injuriesClass 3 · LimitedFinal reportJackson Velocity · Mack, COA propeller overspeed due to failure of the electronic ignition timing ring attachment screws, and a runway overrun during the subsequent forced landing.NTSB CEN19LA295Accident · Minor injuriesClass 3 · LimitedFinal reportAir Tractor AT502 · Olney, TXA loss of thrust control due to a propeller surge event, which resulted in a forced landing shortly after takeoff.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 ERA19LA214Accident · Minor injuriesClass 3 · LimitedFinal reportPipistrel Sinus · Haverhill, MAThe pilot's failure to utilize the proper procedure and unfeather the motorized glider’s propeller prior to an in-flight engine restart, resulting in a lack of thrust and subsequent forced landing.NTSB GAA16CA322Accident · Serious injuriesData collectionFinal reportMarks Steven Challenger · Marion, WIThe failure of the airplane engine drive belt during the takeoff, resulting in a forced landing and impact with terrain.NTSB WPR14LA169Accident · Minor injuriesLimited investigationFinal reportPiper PA30 - NO Series · Bullhead City, AZThe pilot's mismanagement of the throttle and propeller controls during the attempted go-around after encountering turbulence, which resulted in his failure to maintain adequate airspeed and climb rate and a subsequent forced landing and impact with terrain.…NTSB CEN14FA143Accident · 1 fatalField investigationFinal reportHawker SEA Fury ISS 25 · Breckenridge, TXThe pilot’s inadequate emergency response to a runaway propeller and his failure to maintain airspeed, which resulted in the airplane exceeding its critical angle-of-attack and stalling. The cause of the runaway propeller was undetermined.NTSB CEN13LA433Accident · 1 fatalLimited investigationFinal reportClayton Gerald H Glastar GS-1 · Columbus, INSlippage in the engine clutch and gear reduction module and a resultant uncommanded movement of the propeller blades into reverse thrust.NTSB CEN13LA258Accident · No injuriesLimited investigationFinal reportCessna 182T · Delta, COThe loss of propeller control for reasons that could not be determined because postaccident examinations revealed no anomalies that would have precluded normal operation and the airplane’s subsequent collision with power lines during the forced landing.NTSB WPR12LA108Accident · No injuriesLimited investigationFinal reportMooney M20J · Lewiston, CAA loss of engine power due to oil starvation as a result of improper maintenance.NTSB ERA11LA483Accident · Minor injuriesLimited investigationFinal reportDurling James RV-6A · Hollywood, FLParticulate ingestion from the engine, which resulted in the malfunction of the propeller governor during the airplane’s initial climb.NTSB WPR10FA388Accident · 1 fatalField investigationFinal reportDiamond HK36 · Bend, ORAn condition, which could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation, that prompted the pilot to discontinue the flight. Contributing to the accident…NTSB CEN10CA304Accident · No injuriesData collectionFinal reportBordelon Kitfox IV · Stanton, MNThe pilot’s inadvertent propeller blade pitch change and subsequent loss of forward thrust.NTSB CEN10CA296Accident · Minor injuriesData collectionFinal reportMooney M20M · Port Clinton, OHThe pilot’s delayed decision to abort the landing and his failure to properly reconfigure the airplane during the aborted landing attempt.NTSB WPR09LA085Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Beaver, UTA loss of engine power while maneuvering due to a sheared propeller blade's pitch change link. Contributing to the accident was lack of suitable terrain for the forced landing.NTSB CEN09LA075Accident · Minor injuriesLimited investigationFinal reportHauser U/Hauser J KIT FOX CL · Boulder, COA loss of engine thrust due to the pilot's inadvertent activation of the propeller controls. Contributing to the accident were the non-standard propeller controls and the pilot's lack of experience in the airplane.NTSB NYC08LA291Accident · No injuriesLimited investigationFinal reportCessna 441 · Baltimore, MDThe pilot's delayed decision to abort the takeoff. Contributing to the accident was the pilot's attempted takeoff with a propeller start lock inadvertently engaged.NTSB ANC08LA060Accident · No injuriesLimited investigationFinal reportPiper PA-34 · Ocala, FLThe pilot's continued operation of the airplane with a known mechanical deficiency--a propeller that would feather at low power. Contributing to the accident was the uncommanded feathering of the propeller.NTSB NYC08LA112Accident · No injuriesLimited investigationFinal reportBeech A36 · Athens, GAThe loss of propeller thrust due to the unseating of an internal propeller hub bushing. Contributing to the accident was the manufacturer's inadequate procedure to secure the bushing.