NTSB investigations: Bell 47G-2
19 cases on aircraft the registry lists as Bell 47G-2, 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 | 3 |
|---|---|
| 1983 | 1 |
| 1984 | 2 |
| 1985 | 2 |
| 1988 | 1 |
| 1989 | 3 |
| 1992 | 1 |
| 1995 | 2 |
| 1997 | 1 |
| 2000 | 1 |
| 2002 | 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 c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181008')
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 ('1181008')
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 FTW02LA264Accident · 1 fatalLimited investigationFinal reportBell 47G-2 · Edmondson, ARThe pilot's failure to maintain clearance from the high voltage power lines.NTSB LAX02LA262Accident · Serious injuriesLimited investigationFinal reportBell 47G-2 · Oasis, CAthe pilot's failure to maintain an adequate visual lookout and clearance with power lines while maneuvering during an aerial application flight.NTSB LAX00LA124Accident · Minor injuriesLimited investigationFinal reportBell 47G · Vacaville, CAFailure of the pilot to see wires and maintain clearance while flying at a low altitude.NTSB LAX97LA248Accident · No injuriesLimited investigationFinal reportBell 47G-2 · Buttonwillow, CAfailure of the pilot to maintain adequate clearance from a utility pole (obstruction) during aerial application. The obstruction was a related factor.NTSB FTW96LA008Accident · Minor injuriesLimited investigationFinal reportBell 47-G2 · Freer, TXthe pilot's failure to maintain clearance from the power lines due to his improper takeoff technique. A factor was the helicopter induced blowing dust which impaired the pilot's visibility.NTSB ATL95LA145Accident · No injuriesLimited investigationFinal reportBell 47G2 · Montrose, GAThe pilot's inadequate preflight planning and visual lookout.NTSB LAX93LA021Accident · Minor injuriesLimited investigationFinal reportBell 47G2 · Gonzales, CAThe pilot's failure to maintain adequate clearance from the wires.NTSB ATL90DKJ02Accident · No injuriesFinal reportBell 47G2 · Wettumpka, ALThe pilot's failure to avoid obstacles during aerial application maneuvering.NTSB SEA89LA120Accident · Minor injuriesLimited investigationFinal reportBell 47G-2 · Centralia, WAThe pilot misjudged his clearance over trees, which resulted in an in-flight tail rotor strike with the trees and loss of tail rotor control. The trees were a related factor.NTSB SEA89LA098Accident · Serious injuriesLimited investigationFinal reportBell 47G-2 · Buena, WAThe pilot's failure to maintain an adequate visual lookout and clearance to avoid the power lines.NTSB MKC88LA092Accident · No injuriesLimited investigationFinal reportBell 47G-2 · Mc Dougal, ARThe pilot stated that he had just begun the spraying of a rice field when one of the spray nozzles malfunctioned. As he was attempting to set the helicopter down on the ground, to work on the nozzle, the main rotor blades struck a tree. The main rotor blades…NTSB LAX85LA344Accident · Minor injuriesLimited investigationFinal reportBell 47G-2 · Big Bear City, CAOn August 12, 1985, a Bell 47G2 helicopter collided with a yucca tree and rolled over during a landing near Big Bear City, CA. The acft sustained substantial damage and the plt and his two passengers were not injured. The purpose of the flight was a aerial…NTSB LAX85LVM03Accident · No injuriesFinal reportBell 47G-2 · Watsonville, CAThe plt stated he intended to climb over a pwr line at the end of a swath run, however, a tailwind gust was encountered and the acft could not obtain sufficient altitude to clear the line. The plt elected to fly under the line unaware of a lower line which…NTSB SEA84LA132Accident · No injuriesLimited investigationFinal reportBell 47G2A · Buena, WAMain rotor blades contacted a wind machine during an aerial application flt. Helicopter settled into trees and rolled over. Plt said he knew the machine was there but had forgotten.NTSB LAX84LA131Accident · No injuriesLimited investigationFinal reportBell 47G-2 · Watsonville, CAThe plt reported that he was making a swath run at the edge of the field when he apchd a standpipe. He applied control pressure to avoid the obstruction, but the outer 3 inches of the rotor blades struck the standpipe. The helicopter contacted the ground…NTSB NYC83FA106Accident · 2 fatalField investigationFinal reportBell 47G-2 · Waymart, PAThis was an introductory instructional flt. Witnesses observed the helicopter flying straight & level prior to the accident. The helicopter had impacted a 60-FT tree at about the 40-FT level. No preimpact failure/falfunction of either the airframe or engine…NTSB LAX82DA186Accident · No injuriesFinal reportBell 47G2 · Santa Maria, CAThe helicopter contacted the platform with a landing skid and rolled over during an attempted takeoff. As the helicopterlifted off of a truck mounted platform a skid became fouled by the truck and a dynamic roll-over occurred.NTSB LAX82DA135Accident · No injuriesFinal reportBell 47G-2 · Stockton, CAThe pilot landed to pick up a flagger and take him to the end of the field. The landing was made facing north on a north-south driveway. An overhead line was located along the east side of the driveway. During takeoff, the pilot moved laterally to the west,…NTSB LAX82DA051Accident · No injuriesFinal reportBell 47G-2 · Watsonville, CADuring a preceding spray operation, the pilot noted that some of the spray nozzles were not functioning properly. He flushed the tanks with fresh water and partially refilled them with water to perform an airborne nozzle check. While performing the check at…