NTSB investigations: Hughes 269C
18 cases on aircraft the registry lists as Hughes 269C, where the first occurrence was “Hard landing”. 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
| 1982 | 1 |
|---|---|
| 1983 | 1 |
| 1987 | 2 |
| 1988 | 1 |
| 1989 | 1 |
| 1991 | 3 |
| 1992 | 1 |
| 1994 | 1 |
| 1999 | 3 |
| 2000 | 2 |
| 2001 | 1 |
| 2005 | 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\" = 200))
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" = 200))
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 DFW05CA168Accident · No injuriesData collectionFinal reportHughes 269C · Bruceville, TXThe flight instructor's improper flare during autorotation, which resulted in a hard landing. Contributing factor was, the lack of suitable terrain.NTSB LAX01LA255Accident · No injuriesLimited investigationFinal reportHughes 269C · Tracy, CAThe pilot's misjudgement of the landing flare during an autorotation demonstration. Factors were shifting winds and an excessive descent rate.NTSB LAX01LA053Accident · No injuriesLimited investigationFinal reportHughes 269C · Carlsbad, CAThe CFI's inadequate supervision and failure to maintain control of the helicopter during a practice autorotation. A contributing factor was the student's improper in-flight planning/decision.NTSB LAX00LA181Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Rialto, CAThe student's misjudged altitude and failure to maintain rotor rpm while practicing an autorotation, and, the instructor's delayed remedial corrective action and inadequate supervision of the flight.NTSB CHI00LA044Accident · Serious injuriesLimited investigationFinal reportHughes 269C · Salina, KSThe pilot's failure to follow the published practice autorotation procedures, the improper use of throttle, and the inadequate flare.NTSB NYC99LA217Accident · No injuriesLimited investigationFinal reportHughes 269C · Utica, NYThe pilot's failure to maintain control of the helicopter while maneuvering, which resulted in a hard landing. A factor in this accident was the pilot's lack of total experience in helicopters.NTSB FTW99TA190Accident · Minor injuriesFinal reportHughes 269C · Houston, TXThe hard landing as a result of the flight instructor's failure to attain the proper airspeed before simulating an engine failure, which resulted in the development of a high sink rate. Factors were the night illumination and the soft ground.NTSB LAX94LA146Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Merced, CAthe pilot's misjudgement of the descent rate and his delayed throttle application.NTSB LAX92LA383Accident · No injuriesLimited investigationFinal reportHughes 269C · Rialto, CAThe pilot/passenger's failure to maintain adequate rotor RPM and the pilot-in-command's inadequate supervision of the flight.NTSB LAX91LA152Accident · No injuriesLimited investigationFinal reportHughes 269C · Honolulu, HIThe instructor's improperly planned approach. A factor was the pilot's failure to observe performance data for the helicopter.NTSB FTW91LA041Accident · No injuriesLimited investigationFinal reportHughes 269C · Knowles, OKThe pilot's failure to maintain a proper descent rate during the maneuver and his delay in initiating the go-around.NTSB MIA91LA060Accident · No injuriesLimited investigationFinal reportHughes 269C · Deland, FLFailure of the commercial pilot applicant to pull collective pitch and delay by the check airman to pull collective and apply power to recover, resulting in a hard landing.NTSB LAX89LA309Accident · No injuriesLimited investigationFinal reportHughes 269C · Mesa, AZImproper flare by the student pilot, and improper supervision by the instructor pilot (CFI).NTSB LAX89LA007Accident · No injuriesLimited investigationFinal reportHughes 269C · Fontana, CAThe pilot was demonstrating a run-on landing for his passenger when the accident occurred. The pilot reported that he allowed the tail of the helicopter to get too low and it collided with the terrain. There were no mechanical difficulties reported prior to…NTSB DEN88LA025Accident · No injuriesLimited investigationFinal reportHughes 269C · Grand Forks, NDThe CFI was instructing the pvt rated dual student in simulated forced landings. During the power recovery following a practice autorotation, the engine failed to regain RPM at full throttle. During the forced landing, the helicopter nosed over at touchdown…NTSB LAX87LA339Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Freemont, CAThe purpose of the flt was to provide instruction to a foreign national, who held a U.S. Private helicopter rating. The instructor (CFI) rprtd that during a practice autorotation, he announced twice for the student to flare as the helicopter was passing thru…NTSB MIA83LA125Accident · No injuriesLimited investigationFinal reportHughes 300C · Vero Beach, FLThe helicopter landed hard during a practice autorotation.NTSB ATL82DKM07Accident · No injuriesFinal reportHughes 269C · Marshville, NCThe instructor pilot (ip) and the student (a private, single engine land, pilot) were on a dual instructional flight. After completing several hover autorotations and hovering patterns, the ip took control. He positioned the helicopter for an autorotation…