NTSB investigations
13 cases where NTSB found Tail rotor control system.
Cases per year
| 2008 | 4 |
|---|---|
| 2011 | 1 |
| 2015 | 3 |
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 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\", '01046720')) 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", '01046720')) 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 CEN22LA009Accident · Minor injuriesClass 3 · LimitedFinal reportBell 206 · Gonzales, LAThe student pilot’s failure to compensate for an unanticipated right yaw, which resulted in a loss of tail rotor effectiveness and helicopter control.NTSB WPR21LA039Accident · Serious injuriesClass 3 · LimitedFinal reportAgusta A109 · Los Angeles, CAThe loss of tail rotor control due to the separation of the tail rotor duplex bearing ring nut from the thrust sleeve, which resulted in the loss of helicopter control.NTSB GAA19CA403Accident · Minor injuriesData collectionFinal reportMd Helicopter 369 · Summersville, SCThe copilot’s disabling of the flight controls of an operating helicopter without telling the pilot on the controls, which resulted in a subsequent loss of control and collision with terrain.NTSB CEN18LA290Accident · Minor injuriesLimited investigationFinal reportBell 206 · Todd Mission, TXThe passenger’s inadvertent interference with the tail rotor pedals, which resulted in a loss of helicopter control during takeoff and the subsequent impact with terrain.NTSB GAA16LA182Accident · Serious injuriesLimited investigationFinal reportHughes 369 · Weatherford, TXThe pilot/mechanic's inadequate postmaintenance and preflight inspections, which resulted in his failure to remove the antitorque pedal lock and a subsequent loss of control during hover operations.NTSB GAA16CA075Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 · West Palm Beach, FLThe student pilot's failure to maintain directional control during the landing, which resulted in a horizontal rotation of the helicopter, and abnormal runway contact.NTSB ERA15LA374Accident · No injuriesLimited investigationFinal reportBell 206 · Thomaston, GAThe loss of tail rotor control due to a fractured pin in the tail rotor control system; the reason the pin fractured could not be determined as the fractured pin was lost in shipping.NTSB ANC15LA015Accident · No injuriesLimited investigationFinal reportAirbus AS350 B2 · Anchorage, AKThe failure of the ball bearing within the pitch change spider assembly due to its operation with no grease within the bearing, which resulted in the subsequent fracture of the spider assembly and a loss of tail rotor control authority. Also causal to the…NTSB CEN11WA412Accident · Serious injuriesForeign investigationMcDonnell Douglas Helicopter 369E · Glastonbury, United KingdomOn June 19, 2011, at 1420 universal coordinated time (UTC), a McDonnell Douglas Helicopter Company model 369E, United Kingdom registration G-KSWI, s/n 0204E, was substantially damaged during an emergency landing after experiencing a mechanical failure of the…NTSB WPR09LA069Accident · 1 fatalLimited investigationFinal reportHughes 369 · Honiara, Solomon IslandsThe pilot's failure to remove the tail rotor pedal lock before attempting flight, resulting in a loss of control.NTSB LAX08IA241Incident · No injuriesIncident investigationFinal reportMD Helicopters MD 902 · Salinas, CAThe pilot's inability to maintain directional control due to the fatigue failure of the threaded portion of the forward directional control cable as a result of the improper installation a lock washer.NTSB CHI08CA164Accident · Minor injuriesData collectionFinal reportHughes 269B · Cook, MNThe pilot not maintaining tail rotor effectiveness while turning in cruise.NTSB NYC08CA132Accident · No injuriesData collectionFinal reportRotorway 162F · Cartersville, GAThe owner/builder's improper installation of the foot pedal scissor beam, which resulted in its failure during hover flight.