NTSB investigations: Bell 47G-3B-1
10 cases on aircraft the registry lists as Bell 47G-3B-1, where the sequence of events included Collision with terr/obj (non-CFIT). 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
| 2008 | 1 |
|---|---|
| 2010 | 1 |
| 2011 | 1 |
| 2013 | 3 |
| 2016 | 2 |
| 2018 | 1 |
| 2019 | 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 ('1181028', '118103A')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s.\"tier2Number\" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\")))
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 ('1181028', '118103A')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
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 WPR19LA194Accident · Serious injuriesClass 3 · LimitedFinal reportBell 47G 3B 1 · Mosby, MTThe pilot’s failure to account for environmental conditions conducive to a loss of tail rotor effectiveness, which resulted in a loss of tail rotor effectiveness and subsequent loss of control. Contributing to the accident was the pilot’s inappropriate…NTSB WPR19LA019Accident · Serious injuriesClass 3 · LimitedFinal reportBell 47G · Wichita Falls, TXA total loss of engine power for reasons that could not be determined based on the available information.NTSB CEN16LA182Accident · 1 fatalLimited investigationFinal reportBell 47G 3B 1 · Portia, ARThe pilot's decision to perform a sliding takeoff from the elevated platform, which resulted in a dynamic rollover when the right skid plate caught on a protruding screw. Contributing to the accident was the pilot's failure to adequately inspect the landing…NTSB WPR16LA069Accident · Minor injuriesLimited investigationFinal reportBell 47G 3B 1 · Carson City, NVThe pilot's failure to maintain sufficient main rotor rpm, which resulted in a loss of helicopter control and a dynamic rollover.NTSB CEN13LA463Accident · No injuriesLimited investigationFinal reportBell 47G-3B-1 · Vinton, IAThe pilot's operation of the helicopter at high gross weight and high density altitude while still in ground effect, which reduced the efficiency of the rotor system and the amount of lift produced, which resulted in a collision with terrain. Contributing to…NTSB CEN13LA395Accident · Minor injuriesLimited investigationFinal reportBell 47G-3B-1 · Plover, WIThe pilot’s failure to maintain proper engine rpm, which resulted in a high rate of descent and ground impact.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 WPR10CA470Accident · No injuriesData collectionFinal reportBell 47G · Gaston, ORThe pilot's failure to maintain tail rotor clearance while landing on a transport trailer positioned on an uneven surface.NTSB LAX08CA229Accident · No injuriesData collectionFinal reportBell 47G-3B-1 · Shafter, CAThe pilot's failure to maintain adequate altitude while maneuvering. Contributing factors were the failure of the helicopter's lights during the night flight and the effect of that failure on the pilot's visual perception.