NTSB investigations: Hiller UH-12D
4 cases on aircraft the registry lists as Hiller UH-12D, where the first occurrence was “In flight collision with object”. 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 | 1 |
| 1993 | 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 ('4360118')
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\" = 220))
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 ('4360118')
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" = 220))
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 SEA94LA037Accident · No injuriesLimited investigationFinal reportHiller UH-12D · Sublimity, ORThe pilot's failure to maintain clearance from unmarked transmission wires. Factors include the pilot's inadequate visual lookout, and unmarked wires in the area of operation.NTSB SEA87LA186Accident · Serious injuriesLimited investigationFinal reportHiller UH-12E · Quincy, WADuring an aerial application maneuver the pilot flew into two 23,000 volt powerlines. The helicopter's rotor blades struck the powerlines, the aircraft turned to the right and descended to the ground.NTSB MKC83FA114Accident · Serious injuriesField investigationFinal reportHiller UH-12E · Troy, KSThe acft collided with a powerline while the pilot was locating a field to spray at a later date. The pilot saw telephone lines and flew over them but hit the powerlines which were 20 feet higher. The skids caught the wires and the helicopter nosed down,…NTSB SEA82FYM11Accident · Minor injuriesFinal reportHiller UH-12E · Mount Angle, ORThe aircraft was being used on an external load operation. On his fourth load, the pilot was to transport a 1190 lb electric pump and fan from the back of a pickup truck. While preparing to lift the load, the pilot was not satisfied with its position. He…