NTSB investigations: Hiller UH-12D, 1987
2 cases on aircraft the registry lists as Hiller UH-12D. 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
| 1974 | 1 |
|---|---|
| 1975 | 4 |
| 1976 | 4 |
| 1977 | 3 |
| 1979 | 2 |
| 1980 | 8 |
| 1981 | 2 |
| 1982 | 1 |
| 1983 | 1 |
| 1985 | 1 |
| 1986 | 2 |
| 1987 | 2 |
| 1988 | 4 |
| 1989 | 2 |
| 1990 | 1 |
| 1991 | 2 |
| 1992 | 1 |
| 1993 | 2 |
| 1995 | 1 |
| 1997 | 1 |
| 2001 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2016 | 1 |
| 2020 | 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\") = 1987
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4360118'))
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") = 1987
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4360118'))
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 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 ATL87FA147Accident · 1 fatalField investigationFinal reportHiller UH-12D (H23) · Spartanburg, SCDuring a local pleasure flight above the treetops, the passenger reported that they heard a loud 'pop' over the sound of the engine. The plt told her that they were going down and she noticed the main rotor blades began to turn slower than usual before the…