NTSB investigations: Hughes 269C, 1990
11 cases on aircraft the registry lists as Hughes 269C. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1970 | 1 |
|---|---|
| 1971 | 6 |
| 1972 | 8 |
| 1973 | 6 |
| 1974 | 7 |
| 1975 | 8 |
| 1976 | 7 |
| 1977 | 18 |
| 1978 | 16 |
| 1979 | 11 |
| 1980 | 13 |
| 1981 | 13 |
| 1982 | 8 |
| 1983 | 6 |
| 1984 | 7 |
| 1985 | 14 |
| 1986 | 11 |
| 1987 | 6 |
| 1988 | 12 |
| 1989 | 14 |
| 1990 | 11 |
| 1991 | 8 |
| 1992 | 7 |
| 1993 | 3 |
| 1994 | 6 |
| 1995 | 3 |
| 1996 | 5 |
| 1997 | 2 |
| 1998 | 3 |
| 1999 | 3 |
| 2000 | 8 |
| 2001 | 6 |
| 2002 | 1 |
| 2003 | 7 |
| 2004 | 2 |
| 2005 | 3 |
| 2006 | 1 |
| 2007 | 1 |
| 2009 | 2 |
| 2010 | 1 |
| 2011 | 2 |
| 2012 | 3 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 1 |
| 2021 | 1 |
| 2023 | 1 |
| 2026 | 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 year(c.\"eventDate\") = 1990
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470504'))
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 year(c."eventDate") = 1990
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470504'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 BFO91LA014Accident · No injuriesLimited investigationFinal reportHughes 269C · Louisville, KYFatigue failure of the number 1 cylinder connecting rod.NTSB BFO90FA079Accident · 1 fatalField investigationFinal reportHughes 269C · Jefferson, MDThe failure of the tail rotor drive transmission system due to a worn tail rotor splined drive sleeve, and inadequate maintenance and/or inspection by the operator. Contributing to the loss of control was the student pilot's failure to maintain adequate rotor…NTSB FTW90FA164Accident · Serious injuriesField investigationFinal reportHughes 269C · Shreveport, LAThe pilot's failure to maintain clearance from the obstruction. Factors related to the accident were: the lack of visual ques due to the light conditions at dusk, the ground observer's lack of assistance and lack of experience in the type of operation, and…NTSB LAX90LA234Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Carlsbad, CAFailure of the pilot to maintain directional control at a hover.NTSB ATL90LA134Accident · No injuriesLimited investigationFinal reportHughes 269C · Saluda, SCPilot's failure to properly plan for high density altitude operations, which resulted in settling with power to the ground.NTSB LAX90LA187Accident · No injuriesLimited investigationFinal reportHughes 269C · Rialto, CAImproper maintenance procedure by maintenance personnel to troubleshoot a reported deficiency and the pilot's decision to demonstrate the vibration, exceeding the design limits of the helicopter and inducing ground resonance. Contributing to the accident was…NTSB MIA90FA117Accident · Minor injuriesField investigationFinal reportHughes 269C · Fort Pierce, FLImproper touchdown during the autorotation by the dual student (ATP), his failure to maintain runway alignment, inadequate supervision by the CFI, and inadequate crew coordination. A factor related to the accident was the obstruction (taxiway light).NTSB MIA90LA076Accident · No injuriesLimited investigationFinal reportHughes 300C · Vero Beach, FLThe failure of the pilot in command/instructor pilot to maintain adequate rotor RPM after landing from a touchdown autorotation. A factor related to the accident was the gusty wind condition.NTSB FTW90LA074Accident · No injuriesLimited investigationFinal reportHughes 269C · Houma, LALoss of engine power for an unknown reason.NTSB FTW90LA065Accident · No injuriesLimited investigationFinal reportHughes 269C · Encinal, TXThe loss of directional control due to the failure of the tail rotor cable.NTSB LAX90LA065Accident · No injuriesLimited investigationFinal reportHughes 269C · Rialto, CAThe lack of adequate supervision by the instructor pilot during a critical phase of flight when he allowed a student to perform in an unsafe manner without taking immediate corrective action.