NTSB investigations: Bell 47G-3B-1, MN
11 cases on aircraft the registry lists as Bell 47G-3B-1. 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
| 1965 | 1 |
|---|---|
| 1981 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1990 | 1 |
| 1991 | 2 |
| 1994 | 1 |
| 1998 | 1 |
| 2011 | 1 |
| 2013 | 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.\"eventStateOrRegion\" = 'MN' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181028', '118103A'))
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."eventStateOrRegion" = 'MN' AND c."eventCountry" = 'USA'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181028', '118103A'))
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 CEN13FA357Accident · 1 fatalField investigationFinal reportBell 47G-3B-1 · Maplewood, MNThe loss of helicopter control for reasons that could not be determined because an examination of the helicopter and its systems revealed no malfunctions or failures that would have precluded normal operation.NTSB CEN11LA370Accident · Serious injuriesLimited investigationFinal reportBell 47G-3B-1 · Lakeville, MNThe loss of engine power due to a loose B-nut on the compressor discharge pressure bleed line.NTSB CHI98LA198Accident · Serious injuriesLimited investigationFinal reportBell 47G · Le Center, MNthe pilot's failure to maintain clearance with the wire. A factor associated with the accident was the wire which the helicopter contacted.NTSB CHI94T#A04Accident · No injuriesFinal reportBell 47G3B1 · Medina, MNNTSB CHI91DER13Accident · No injuriesFinal reportBell 47G-3B-1 · Maple Grove, MNThe pilot's failure to maintain directional control of the helicopter during the forced landing. Related factors are the loss of engine power, loss of rotor RPM, the eroded compressor blades, the pilot's operation with known deficiencies in equipment and…NTSB CHI91DER05Accident · No injuriesFinal reportBell 47G3B1 · Lasalle, MNThe pilot's failure to maintain adequate clearance from the terrain. A related factor is the pilot's misjudged altitude above the crop.NTSB CHI90DER03Accident · No injuriesFinal reportBell 47G3B1 · Coon Rapids, MNThe pilot-in-command's inaccurate fuel consumption calculations and misjudgement of his fuel supply.NTSB CHI85LA275Accident · No injuriesLimited investigationFinal reportBell 47G-3B-1 · Donaldson, MNWhen the plt applied pwr to level off while entering a spray the eng did not produce sufficient pwr to stop the descent. He attempted a run on landing but the uneven terrain caused substantial damage to the helicopter. Inspection of the eng revealed the…NTSB CHI84LA232Accident · Minor injuriesLimited investigationFinal reportBell 47G · Fairfax, MNThe helicopter plt turned at the end of a spray run & the acft collided with a power line. He said that because of a quartering tailwind, the helicopter was in a nose high attitude & the tail rotor hit a wire. The plt was able to make an autorotation after…NTSB CHI81FER60Accident · No injuriesClosedBell 47G3B1 · Stewart, MNNTSB MKC66A0013Accident · No injuriesClosedBell 47G3B1 · Altura, MN