NTSB investigations
29 cases where NTSB found Propeller assembly.
Cases per year
| 2008 | 2 |
|---|---|
| 2009 | 1 |
| 2010 | 2 |
| 2011 | 2 |
| 2012 | 4 |
| 2013 | 3 |
| 2014 | 2 |
| 2015 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2021 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 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.\"mKey\" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '01046110')) 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", '01046110')) 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 ANC25LA028Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Royal Kunia, HIImproper alteration of the crankshaft propeller flange at an unknown time, which resulted in an in-flight separation of the propeller assembly.NTSB ERA24LA332Accident · No injuriesClass 4 · LimitedFinal reportBucker Jungmann C.A.S.A. 1.131 · Red Hook, NYThe Great Lakes pilot's failure to maintain adequate clearance from the Bucker Jungmann while maneuvering during an air show, which resulted in a midair collision, the inability of the Bucker Jungmann to maintain altitude, and its subsequent forced landing.NTSB WPR24LA260Accident · No injuriesClass 3 · LimitedFinal reportKitfox Series V · La Grande, ORSeparation of the propeller blades from progressive damage at the blade roots due to overtightening of the hub bolts.NTSB WPR24FA053Accident · 1 fatalClass 3 · FieldFinal reportBeauchamp Norm Kitfox · Eloy, AZThe separation of a propeller blade during the initial climb due to insufficient blade retention forces. Contributing to the accident was the propeller blade retention design, manufacturing defects that prevented the propeller from achieving adequate grip…NTSB WPR23LA149Accident · No injuriesClass 3 · LimitedFinal reportStevens Kelly C RV-7 · Morgan, UTThe pilot/builder improperly torqued the propeller attachment bolts while reinstalling the propeller, which resulted in the fatigue failure of the bolts and the separation of the propeller assembly.NTSB ERA21LA289Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-23 · Easton, MDA total loss of left engine power and uncommanded feathering of the left propeller for reasons that could not be determined.NTSB ERA21LA223Accident · No injuriesClass 3 · LimitedFinal reportZenith Zodiac 601 XL · McKenzie, TNThe improper installation and inspection of the propeller, which resulted in an in-flight separation of the propeller assembly.NTSB CEN18LA117Accident · No injuriesLimited investigationFinal reportBlack Donald Cozy III · Los Lunas, NMThe seizure of the propeller gearbox for reasons that could not be determined based on the available information, which resulted in a forced landing.NTSB ANC18LA008Accident · No injuriesLimited investigationFinal reportCloud Jeffrey Ferrell Long EZ · Eufaula, ALThe in-flight separation of a portion of the propeller, which subsequently penetrated the right rudder, as a result of the failure of the bond line between two of the propeller’s wood layers. Contributing to the failure of the propeller was the manufacturer’s…NTSB CEN17LA333Accident · Serious injuriesLimited investigationFinal reportGulfstream American AA 5B · Carbondale, ILThe failure of the propeller due to fatigue as a result of improper installation by unknown maintenance personnel at some point during the life of the propeller.NTSB CEN17LA178Accident · Minor injuriesLimited investigationFinal reportCessna 182G · Manistee, MIThe failure of the airplane owner and maintenance personnel to follow the propeller manufacturer's recommend overhaul schedule, which resulted in a fatigue fracture of the propeller blade actuating pin and a loss of thrust in flight.NTSB ERA15LA304Accident · No injuriesLimited investigationFinal reportBoard James A Zenith 601 HD · Danville, KYThe pilot's improper adjustment of the propeller blade angle, which resulted in inadequate engine thrust, and his decision to continue the takeoff despite the excessively long takeoff roll.NTSB WPR15LA228Accident · No injuriesLimited investigationFinal reportHudson Zodiac CH 601 XLB · Hubbard, ORA severe propeller vibration due to the pilot's improper installation of the propeller spacer assembly, which necessitated an engine shutdown, an off-airport landing, and a collision with a sprinkler system.NTSB WPR14CA136Accident · No injuriesData collectionFinal reportNorman Quad City Challenger · Monroe, WAThe pilot's inadequate construction of the propeller bracket, which resulted in its failure during the initial climb and the propeller subsequently departing the airplane.NTSB CEN14LA118Accident · No injuriesLimited investigationFinal reportGrumman American Avn. AA 5B · Willow Park, TXThe improper reinstallation of the propeller assembly, which resulted in the subsequent in-flight separation of the propeller.NTSB CEN13IA387Incident · No injuriesIncident investigationFinal reportMartin Charles A Zenith Stol CH 750 · Paragould, ARThe improper installation of the propeller flange, which resulted in an in-flight separation of the propeller assembly.NTSB WPR13LA191Accident · Minor injuriesLimited investigationFinal reportErcoupe 415-C · Mesquite, NVSeparation of the propeller from the engine during initial climb due to the incorrect torque applied to the propeller hub nut during maintenance.NTSB WPR13LA184Accident · Serious injuriesLimited investigationFinal reportBeech A36TC · Big Bear City, CAThe improper overhaul of the propeller, which resulted in the installation of an incorrect propeller actuating pin and deformation of the ferrule hole and led to the pin’s fatigue failure. Contributing to the accident was the failure of multiple owners and…NTSB ERA12TA542Accident · No injuriesFinal reportRidge Lowell H Jabiru J230 · Otter Lake, NYA failure of an engine cylinder exhaust valve due to the buildup of lead deposits on the valve stem and fatigue cracking of the valve stem, resulting in a total loss of engine power, and the loss of the propeller. Contributing to the accident was the lack of…NTSB ERA12LA500Accident · No injuriesLimited investigationFinal reportBeech V35B · Effingham, SCThe pilot's failure to avoid an encounter with known adverse weather conditions, which resulted in an in-flight upset, temporary loss of control, and loading of the airframe, engine, and propeller that led to the in-flight separation of the propeller and the…NTSB ANC12LA075Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Kenai, AKThe in-flight separation of a propeller tip due to an unauthorized and undocumented propeller repair.NTSB WPR12LA143Accident · No injuriesLimited investigationFinal reportReich Glastar · Caldwell, IDThe failure of a propeller blade at the hub due to fatigue cracking.NTSB ERA11IA521Incident · No injuriesIncident investigationFinal reportBeech V35 · New Haven, CTThe in-flight fatigue failure of the engine’s crankshaft, which resulted in the separation of the forward portion of the crankshaft and the propeller.NTSB CEN11FA528Accident · 2 fatalField investigationFinal reportWright B Flyer Wright B Flyer · Springfield, OHThe flight crew’s failure to maintain airplane control following a partial loss of engine thrust during cruise flight. Contributing to the accident was the failed weld as a result of incomplete welding on the left propeller shaft, which led to the partial…NTSB ERA10LA400Accident · No injuriesLimited investigationFinal reportDayton JD-2 · Hollywood, MDThe pilot's improper installation of the propeller hub to the engine crankshaft, which resulted in a loss of engine thrust.NTSB CEN10LA131Accident · No injuriesLimited investigationFinal reportLacour Long-EZE SR7-1 · Falfurrias, TXA total loss of engine power due to a failure of the crankshaft behind the No. 3 connecting rod journal for undetermined reasons.NTSB CEN10CA089Accident · Minor injuriesData collectionFinal reportLyman Randall/Scott David Avid Flyer · Eldon, MOThe pilot's inability to climb or maintain proper airspeed due to the improper pitch setting of the propeller.NTSB WPR09LA052Accident · Serious injuriesLimited investigationFinal reportAdkins Ridge Runner II · Mulino, ORThe pilot's failure to attain an adequate airspeed that resulted in a stall/mush during the initial climb. Contributing to the accident were the pilot's lack of experience in this make and model airplane and the improper adjustment of the propeller pitch.NTSB CHI08LA154Accident · No injuriesLimited investigationFinal reportBeech A36 · Grand Rapids, MNA loss of engine thrust due to the propeller separating from the aircraft as a result of fatigue failure of the propeller attachment bolts caused by the insufficient torque of the bolts during installation.