NTSB investigations: Hughes 269C
9 cases on aircraft the registry lists as Hughes 269C, where the first occurrence was “Loss of engine power(total) - nonmechanical”. 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
| 1985 | 1 |
|---|---|
| 1986 | 1 |
| 1989 | 1 |
| 1992 | 1 |
| 1994 | 1 |
| 1996 | 1 |
| 1998 | 1 |
| 2000 | 1 |
| 2001 | 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470504')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 353))
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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4470504')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 353))
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 IAD01LA095Accident · No injuriesLimited investigationFinal reportHughes 269C · Lewiston, NYThe pilot's failure to maintain rotor rpm during the simulated forced landing. Also causal in the accident was the failure of both pilots to recognize the total loss of engine power and the CFI's inadequate remedial actions. A factor in the accident was the…NTSB DEN00LA083Accident · No injuriesLimited investigationFinal reportHughes 269C · Loveland, COThe pilot misjudged the run on landing during a full autorotation. Factors were a total loss of power for unknown reasons and soft terrain.NTSB FTW98LA362Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Houston, TXThe pilot's failure to refuel the helicopter which resulted in the loss of engine power due to fuel exhaustion. A factor was the lack of suitable terrain for the forced landing.NTSB ATL96TA102Accident · Serious injuriesFinal reportHughes 269B · Tampa, FLThe failure of maintenance personnel to secure the engine oil screen housing during the 50-hour inspection.NTSB ATL94GA038Accident · Serious injuriesFinal reportHughes 269C · Atlanta, GAThe inadvertent closing of the fuel shutoff valve by the pilot. A factor in the accident was the failure of the pilot to maintain rotor RPM during the autorotation.NTSB LAX92LA354Accident · No injuriesLimited investigationFinal reportHughes 269C · Corona, CAThe flight instructor's improper supervision of the flight; the dual student pilot's failure to use carburetor heat; and the flight instructor's improper use of the tail rotor pedals. Contributing to this accident was the engine failure due to carburetor…NTSB LAX89LA129Accident · No injuriesLimited investigationFinal reportHughes 269C · Saipan, SarkFailure of maintenance personnel to assure the helicopter was serviced with the proper grade of fuel. A factor realated to the accident was: the lack of a suitable landing area, which resulted in having to ditch the helicopter in the water.NTSB ATL87LA023Accident · No injuriesLimited investigationFinal reportHughes 269C · Eden, NCPilot related that he had placed the helicopter at triad for a 50 hour inspection. Aircraft reportedly defueled to dry tank. Six days later fuel truck log shows aircraft refueled with 23.2 gallons as payback. According to information furnished by owner and…NTSB FTW86FRG06Accident · Minor injuriesFinal reportHughes 269C · Batesville, TXThe helicopter was substantially damaged during a forced landing following a loss of eng pwr. The plt was performing cattle ranching operations when the eng sputtered and quit while at a low alt. The plt was able to clear trees and high brush, however, a hard…