NTSB investigations
13 cases where NTSB found Propeller hub section.
Cases per year
| 2008 | 1 |
|---|---|
| 2009 | 1 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2025 | 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\", '01046114')) 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", '01046114')) 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 ERA25LA236Accident · No injuriesClass 4 · LimitedFinal reportSting Sport TL-2000 · Dunavant, VAThe inflight failure of the propeller due to its exceedance of the manufacturer’s overhaul requirement.NTSB CEN25LA117Accident · No injuriesClass 3 · LimitedFinal reportVans RV-7A · Plainview, TXThe improper machining of the propeller blade bearing seat, which resulted in an inflight propeller blade fatigue failure. Contributing to the accident was the improper machining of the propeller hub and propeller blade root and machining surface quality…NTSB WPR18LA158Accident · No injuriesClass 3 · LimitedFinal reportRhoads Autogyro MTO Sport · San Manuel, AZThe fracture of the propeller hub due to corrosion pitting along the propeller blade root seat, which led to cracking that was propagated due to high-cycle fatigue.NTSB WPR17LA082Accident · Minor injuriesLimited investigationFinal reportOTT 601XL-B · The Dalles, ORA partial loss of engine power due to the reverse bending fatigue failure of the propeller hub bolts, which resulted from the bolts not fitting tightly into the propeller hub holes. Also causal was the pilot's decision to use improper bolts for this type of…NTSB ERA16LA295Accident · No injuriesLimited investigationFinal reportPiper PA34 · Hollywood, FLMaintenance personnel’s failure to comply with an airworthiness directive for the propeller, which resulted in a propeller hub failure due to fatigue.NTSB ERA14LA272Accident · Minor injuriesLimited investigationFinal reportLandrum Kelly T Vans RV6 · Suffolk, VAThe pilot/builder's decision to use a lubricant that was not designed for high-speed aviation applications, which resulted in the failure of the propeller needle thrust bearing due to the loss of lubrication from overheating, a total loss of aerodynamic…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 WPR14LA046Accident · No injuriesLimited investigationFinal reportRovey Jason H RV-8 · Wickenburg, AZThe fatigue failure of a propeller pitch change pin due to excessive shot peening of the pin’s surface during the manufacturing process.NTSB WPR12LA143Accident · No injuriesLimited investigationFinal reportReich Glastar · Caldwell, IDThe failure of a propeller blade at the hub due to fatigue cracking.NTSB WPR11LA412Accident · No injuriesLimited investigationFinal reportWheeler Vans RV-6A · Albany, ORThe in-flight separation of a propeller blade due to fatigue.NTSB CEN11IA235Incident · No injuriesIncident investigationFinal reportSchlichtman Stol CH750 · Cassville, MOThe fatigue failure of the propeller hub retaining bolts due to insufficient clamping force .NTSB CEN09CA535Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Leland, ILA total loss of engine power in flight due to a loss of engine oil as a result of the separation of the propeller hub components for undetermined reasons.NTSB CHI08CA284Accident · No injuriesData collectionFinal reportFleet 2 · Leroy, OHThe loss of engine power due to the propeller hub failure during a low-level maneuver. Contributing to the accident were the trees encountered during the forced landing.