OpenAirDocs.org

NTSB investigations, 2012

8 cases where NTSB found Main rotor system.

Cases per year

20082026

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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 year(c.\"eventDate\") = 2012
    AND c.\"mKey\" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '010462'))
  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.

NTSB ERA12TA538Accident · Minor injuriesFinal reportBell 407 · Bath, NYThe pilot's improper recovery from an in-flight upset, which resulted in the main rotor striking and separating the tail boom. Contributing to the accident was the helicopter manufacturer's failure to warn pilots of unanticipated and unequal aft cyclic…Aug 31, 2012 · N11SP · Substantial damageNTSB ERA12LA379Accident · Minor injuriesLimited investigationFinal reportBell 427 · Indiantown, FLThe inflight collision with birds, resulting in damage to the rotor head assembly and a subsequent forced landing and rollover.Jun 4, 2012 · N427AL · Substantial damageNTSB ERA12LA373Accident · Minor injuriesLimited investigationFinal reportFaltin John R Rotorway Exec 162F · Smoketown, PAA loss of control during a post-maintenance test flight due to improper tracking of the helicopter’s main rotor blades by the pilot/aircraft builder.May 31, 2012 · N8707E · Substantial damageNTSB WPR12LA219Accident · No injuriesLimited investigationFinal reportEnstrom F28 · Twin Falls, IDThe pilot's inability to maintain helicopter control during cruise flight due to the failure of the No. 2 main rotor Lamiflex bearing. Contributing to the accident was the pilot's decision to operate the helicopter with a known deficiency and the helicopter’s…May 20, 2012 · N63VP · Substantial damageNTSB WPR12LA115Accident · Serious injuriesLimited investigationFinal reportTexas Helicopter OH-13E/M74 · Farmington, CAThe in-flight separation of the wood portion of one main rotor blade while maneuvering at low level, the reason for which could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.Feb 22, 2012 · N43921 · Substantial damageNTSB WPR12LA096Accident · No injuriesLimited investigationFinal reportArrow Falcon Exporters OH-58A · Brawley, CAThe failure of the main rotor mast due to fatigue cracks that originated from corrosion pits. Contributing to the accident was the operator’s failure to adhere to the manufacturer’s recommended overhaul interval for the main rotor mast.Jan 21, 2012 · N902SF · Substantial damageNTSB ANC12CA018Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Beluga, AKGround personnel's movement of cargo in windy conditions, which allowed a previously secured cargo sack to blow into the main rotor blades.Jan 21, 2012 · N4510T · Substantial damageNTSB DCA12FA024Accident · 3 fatalField investigationFinal reportBell 214 · Camp Bastion, Afghanistanthe overtravel of the collective sleeve, which led to a severe and sudden reduction in main rotor blade collective pitch, resulting in a loss of control of the helicopter. The reason for the collective sleeve overtravel could not be determined since much of…Jan 16, 2012 · N5748M · Destroyed