NTSB investigations: Bell 47G-3B-1

10 cases on aircraft the registry lists as Bell 47G-3B-1, where the first occurrence was “Loss of engine power(total) - nonmechanical”. 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

19832026
NTSB investigations: Bell 47G-3B-1 per year, 1983–2026: 10 cases
19832
19841
19901
19911
19921
19932
19971
19991

Latest 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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 353))
  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.

NTSB FTW99TA194Accident · No injuriesFinal reportBell 47G-3B-1 · Sour Lake, TXThe pilot's failure to adequately preflight the helicopter's fuel system resulting in the total loss of engine power as a result of water contamination. Factors were the incorrect filter installed on the fueling truck and the pilot's improper touchdown…Jul 17, 1999 · N4002G · Substantial damageNTSB LAX97TA213Accident · No injuriesFinal reportBell 47G-3B-1 · Fallon, NVexhaustion of the aircraft's fuel supply, due to improper planning and/or decision. A factor related to the accident was the high density altitude which made a successful autorotative landing unlikely.Jun 16, 1997 · N1335X · Substantial damageNTSB ATL94LA014Accident · No injuriesLimited investigationFinal reportBell 47G-3B-1 Soloy · Atmore, ALThe pilot's inadequate pre-flight inspection. Factors were the lack of a filter on the refueling pump which would preclude water passage, and the high trees.Nov 12, 1993 · N3078G · Substantial damageNTSB CHI93LA268Accident · No injuriesLimited investigationFinal reportBell 47G-3B-1 · Elderon, WIThe pilot's failure to refuel the helicopter.Jul 22, 1993 · N9010C · Substantial damageNTSB MIA93LA014Accident · Minor injuriesLimited investigationFinal reportBell 47-G3-B1 · Palm Beach, FLThe pilot's inadequate preflight planning. A factor was the pilot's failure to maintain rotor RPM during the autorotation.Nov 4, 1992 · N94720 · Substantial damageNTSB SEA91FA142Accident · 1 fatalField investigationFinal reportBell 47G-3B1 · Goldendale, WAThe pilot's misjudgement of fuel supply.Jun 26, 1991 · N7859S · Substantial damageNTSB CHI90DER03Accident · No injuriesFinal reportBell 47G3B1 · Coon Rapids, MNThe pilot-in-command's inaccurate fuel consumption calculations and misjudgement of his fuel supply.Jul 31, 1990 · N4990H · Substantial damageNTSB CHI84LA401Accident · No injuriesLimited investigationFinal reportBell 47G-3B1 · Miss.Pal.St.Pk, ILThe helicopter experienced a total loss of power aprx 2 minutes after takeoff. The plt performed an autorotation into trees as no suitable landing area was available. The 2 passengers on board stated the plt did not visually check the fuel quantity before…Sep 23, 1984 · N90543 · DestroyedNTSB DEN83LA154Accident · No injuriesLimited investigationFinal reportBell 47G-3B-1 Soloy · Townsend, MTThe helicopter made a hard touchdown during an autorotative forced landing after the engine quit. During the landing themain rotor severed the tail boom. The pilot stretched the autorotational glide to reach a hay field and lost main rotor RPM in the process.…Jun 30, 1983 · N1334X · Substantial damageNTSB DEN83LA132Accident · No injuriesLimited investigationFinal reportBell 47G3-B1 · Devils Tower, WYThe acft crash landed in trees after the engine lost power. The helicopter was being used in aerial application at the time of the accident. The operation was being done in 8 minute segments. Every 8 minutes the helicopter landed for a reload of herbicide. At…Jun 1, 1983 · N80711 · Substantial damage