NTSB investigations: Bell 47D1, 1987
5 cases on aircraft the registry lists as Bell 47D1. 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
| 1964 | 8 |
|---|---|
| 1965 | 5 |
| 1966 | 13 |
| 1967 | 12 |
| 1968 | 6 |
| 1969 | 9 |
| 1970 | 9 |
| 1971 | 10 |
| 1972 | 8 |
| 1973 | 8 |
| 1974 | 6 |
| 1975 | 7 |
| 1976 | 11 |
| 1977 | 11 |
| 1978 | 7 |
| 1979 | 8 |
| 1980 | 7 |
| 1981 | 4 |
| 1982 | 6 |
| 1983 | 2 |
| 1984 | 5 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 5 |
| 1988 | 6 |
| 1989 | 5 |
| 1990 | 6 |
| 1991 | 4 |
| 1992 | 4 |
| 1994 | 3 |
| 1995 | 4 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 4 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2011 | 2 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2021 | 2 |
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 ('1180802'))
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 ('1180802'))
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 LAX87LA294Accident · No injuriesLimited investigationFinal reportBell 47D-1 · Taft, CAThe plt rprtd the eng lost power at about 300' AGL after the helicopter had flown aprx 2.7 hrs without refueling. He initiated an autorotative landing; however, before touchdown, the main rotor blades contacted & severed the tail boom. An exam revealed the…NTSB ATL87LA204Accident · No injuriesLimited investigationFinal reportBell 47D1 · Huntsville, ALThe aerial application flight was dispensing insecticides on a cotton field. While maneuvering to avoid powerlines during the procedure turnaround following an upwind swath run, the pilot failed to maintain sufficient airspeed to ensure effective…NTSB MIA87LA145Accident · No injuriesLimited investigationFinal reportBell 47G-2 · Rolling Fork, MSWhile landing downwind, at an alt of aprx 20 feet, the helicopter began to settle with power. The pilot then attempted to stop the descent, however, because of insufficient alt & airspeed, was unable. The helicopter then landed hard, rolled over, after which,…NTSB FTW87LA107Accident · No injuriesLimited investigationFinal reportBell 47D1 · Ardmore, OKThe pilot reportedly heard an unusual noise in the engine and made a precautionary autorotation to landing. Touchdown was on uneven terrain and in a nose low attitude. This resulted in the tail rotor assembly being chopped off the tail boom by the main rotor…NTSB MIA87LA116Accident · No injuriesLimited investigationFinal reportBell 47-D1 · Homosassa, FLThe plt stated that just after takeoff, at about 50 ft, the eng lost power and he made a forced landing in a canal. No determination could be made as to the nature of the malfunction of the engine as described by the pilot.