NTSB investigations: Schweizer 269C
10 cases on aircraft the registry lists as Schweizer 269C, where the first occurrence was “Loss of engine power”. 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
| 1992 | 1 |
|---|---|
| 1994 | 2 |
| 1999 | 1 |
| 2001 | 2 |
| 2003 | 1 |
| 2004 | 2 |
| 2007 | 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 ('8059502')
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\" = 350))
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 ('8059502')
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" = 350))
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 SEA08LA035Accident · Serious injuriesLimited investigationFinal reportSchweizer 269C · Newberg, ORThe student pilot's inadvertent application of the fuel shut off valve during flight. Contributing to the accident were the locations of the heater and fuel shutoff controls.NTSB SEA04LA146Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Homedale, IDThe loss of engine power for an undetermined reason while maneuvering at low altitude, which resulted in a hard landing.NTSB SEA04LA128Accident · No injuriesLimited investigationFinal reportHughes 269C · Arlington, WAA significant power loss for undetermined reasons while in cruise flight, leading to a full autorotational landing. Factors include no suitable terrain in the area, and soft swampy terrain at the point where the pilot found it necessary to perform the forced…NTSB LAX03FA060Accident · 1 fatalField investigationFinal reportSchweizer 269C · Collinsville, CAA loss of engine power for undetermined reasons, and the pilot's failure to maintain main rotor rpm during the subsequent autorotation. A factor in the accident was the unsuitable nature of the terrain for a forced landing.NTSB CHI01LA215Accident · Minor injuriesLimited investigationFinal reportSchweizer 269C · Walker, MNthe loss of engine power for undetermined reasons during takeoff. Factors were the vehicles, the unsuitable terrain the pilot encountered, and the low altitude of the helicopter at the time of the loss of engine power.NTSB LAX01LA121Accident · Minor injuriesLimited investigationFinal reportSchweizer 269C · Ojai, CAA loss of engine power for undetermined reasons.NTSB CHI99LA257Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Jetmore, KSThe pilot's use of improper procedures by not following the helicopter manufacturer's recommended engine RPM reduction procedures during autorotations. A factor was the pilot not attaining the proper rotor RPM during the autorotation practice.NTSB LAX94LA201Accident · No injuriesLimited investigationFinal reportSchweizer 300C · Pacific Ocean (Pacific Ocean)The low altitude of the aircraft when the engine lost power and the pilot's misjudgement of the flare point during the autorotation. Factors in the accident were the loss of engine power and the sunglare.NTSB LAX94LA196Accident · No injuriesLimited investigationFinal reportSchweizer 300C · Pacific Ocean (Pacific Ocean)The loss of engine power for undetermined reasons.NTSB NYC93GA025Accident · Serious injuriesFinal reportSchweizer 269C · Baltimore, MDA power loss of undetermined origin. Factors related to the accident were the night conditions, the lack of a suitable landing area, and the inability of the pilot to maintain rotor RPM while maneuvering to avoid obstacles.