# Fatal NTSB investigations: Bell 47G-3B-1

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB CEN16LA182](https://openairdocs.org/ntsb/CEN16LA182.md): Bell 47G 3B 1 · Portia, AR · Accident · 1 fatal · Limited investigation · Final report · May 13, 2016 · N48316 · Substantial damage
  > The 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 CEN13FA357](https://openairdocs.org/ntsb/CEN13FA357.md): Bell 47G-3B-1 · Maplewood, MN · Accident · 1 fatal · Field investigation · Final report · Jun 19, 2013 · N5024N · Destroyed
  > The 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 NYC06FA100](https://openairdocs.org/ntsb/NYC06FA100.md): Bell 47G-3B-1 · East Hanover Tw, PA · Accident · 2 fatal · Field investigation · Final report · Apr 20, 2006 · N22MP · Destroyed
  > The pilot's improper decision to hover out-of-ground-effect in a tailwind, and his failure to maintain aircraft control. A factor in the accident was the tailwind.
- [NTSB SEA00FA061](https://openairdocs.org/ntsb/SEA00FA061.md): Bell 47G-3B-1 · Stanwood, WA · Accident · 1 fatal · Field investigation · Final report · Apr 2, 2000 · N3377H · Destroyed
  > The disengagement of the oil jet fitting from its threaded receptacle at the forward end of the engine crankshaft. This resulted in excessive oil within the clutch assembly, the subsequent slipping of the clutch, and ultimately the disengagement of the rotor…
- [NTSB SEA97TA023](https://openairdocs.org/ntsb/SEA97TA023.md): Bell 47G-3B-1 · Fillmore, UT · Accident · 1 fatal · Final report · Oct 29, 1996 · N3098G · Substantial damage
  > inadequate procedure and inadequate monitoring by the pilot, the operator, and/or other personnel, which allowed one of three external cables to the seed bucket to become entangled with the right skid of the helicopter, resulting in an imbalance and loss of…
- [NTSB NYC95LA147](https://openairdocs.org/ntsb/NYC95LA147.md): Bell 47G-3B-1 · Hammonton, NJ · Accident · 1 fatal · Limited investigation · Final report · Jul 10, 1995 · N48316 · Destroyed
  > failure of the collective yoke bearing, which resulted in an uncontrolled descent and collision with trees. A factor relating to the accident was: the manufacturer's inadequate inspection interval of the yoke bearing.
- [NTSB SEA91FA142](https://openairdocs.org/ntsb/SEA91FA142.md): Bell 47G-3B1 · Goldendale, WA · Accident · 1 fatal · Field investigation · Final report · Jun 26, 1991 · N7859S · Substantial damage
  > The pilot's misjudgement of fuel supply.
- [NTSB SEA86LA176](https://openairdocs.org/ntsb/SEA86LA176.md): Bell 47G-3B1 · Burbank, WA · Accident · 1 fatal · Limited investigation · Final report · Jul 23, 1986 · N1197W · Minor damage
  > The helicopter had landed for reloading and was stationary with rotors idling. A ground loader person approached the helicopter over a small sandy knoll and was struck by the main rotor, sustaining fatal injury.
- [NTSB ATL84FA001](https://openairdocs.org/ntsb/ATL84FA001.md): Bell 47G-3B1 · Pliny, WV · Accident · 1 fatal · Field investigation · Final report · Oct 1, 1983 · N1334X · Destroyed
  > The helicopter was being used in the construction of elect transmission lines. A 150-FT longline cable had been utilizedon an earlier flight for lifting external loads. However, there was no reason for the longline to be attached on the accident flight as the…
- [NTSB DEN82FTC09](https://openairdocs.org/ntsb/DEN82FTC09.md): Bell 47G-3B-L · Kaycee, WY · Accident · 1 fatal · Final report · Aug 8, 1982 · N8529F · Destroyed
  > The pilot was having cooling fan problems, some blades had broken. He landed in a canyon stayed overnight to cool engine and planned to fly to top of the canyon to get repairs. After takeoff, the helicopter had climbed almost level with the top of the canyon…
- [NTSB NYC82FGM11](https://openairdocs.org/ntsb/NYC82FGM11.md): Bell 47G-3B-1 · Kittanning, PA · Accident · 1 fatal · Final report · Jun 15, 1982 · N9276Z · Destroyed
  > The helicopter was on a powerline patrol flight with three occupants on board. While proceeding along the powerline with a tailwind, the pilot started to climb over a hill. He stated to the passengers that he was unable to out climb the hill, then circled to…
- [NTSB SEA80FA018](https://openairdocs.org/ntsb/SEA80FA018.md): Bell 47G3B1 · Jefferson, OR · Accident · 2 fatal · Closed · Jan 30, 1980 · N73285 · Destroyed
- [NTSB DEN80FA005](https://openairdocs.org/ntsb/DEN80FA005-201189.md): Soloy 47G · Ruidoso, NM · Accident · 1 fatal · Closed · Oct 23, 1979 · N7828S · Destroyed
- [NTSB LAX78FA074](https://openairdocs.org/ntsb/LAX78FA074-139414.md): Bell 47G-3B · Pasadena, CA · Accident · 1 fatal · Closed · Sep 3, 1978 · N1135W · Destroyed
- [NTSB DEN76AD068](https://openairdocs.org/ntsb/DEN76AD068.md): Bell 47G3B1 · Alma, CO · Accident · 1 fatal · Closed · Aug 23, 1976 · N1338X · Destroyed
- [NTSB ANC76AA112](https://openairdocs.org/ntsb/ANC76AA112.md): Bell 47G3B1 · Petersburg, AK · Accident · 2 fatal · Closed · Jul 17, 1976 · N7901S · Destroyed
- [NTSB DEN76AD052](https://openairdocs.org/ntsb/DEN76AD052.md): Bell 47G3B1 · Somerset, CO · Accident · 2 fatal · Closed · Jun 10, 1976 · N7894S · Destroyed
- [NTSB LAX75AL057](https://openairdocs.org/ntsb/LAX75AL057.md): Bell 47G3B1 · Superior, AZ · Accident · 3 fatal · Closed · Apr 22, 1975 · N1381X · Destroyed
- [NTSB DEN75AD009](https://openairdocs.org/ntsb/DEN75AD009.md): Bell 47G3B1 · Ogden, UT · Accident · 1 fatal · Closed · Sep 5, 1974 · N73972 · Destroyed
- [NTSB SEA73FYG13](https://openairdocs.org/ntsb/SEA73FYG13.md): Bell 47-G2A · Selah, WA · Accident · 1 fatal · Closed · Sep 23, 1972 · N73284 · Substantial damage
- [NTSB LAX73AL009](https://openairdocs.org/ntsb/LAX73AL009.md): Bell 47G3B1 · Tuba City, AZ · Accident · 1 fatal · Closed · Aug 30, 1972 · N73991 · Destroyed
- [NTSB DEN73FTM01](https://openairdocs.org/ntsb/DEN73FTM01.md): Bell 47G3B1 · Ogden, UT · Accident · 1 fatal · Closed · Jul 11, 1972 · N7927S · Destroyed
- [NTSB LAX71AL033](https://openairdocs.org/ntsb/LAX71AL033.md): Bell 47G3B1 · Rim Forest, CA · Accident · 1 fatal · Closed · Dec 1, 1970 · N1126W · Destroyed
- [NTSB OAK70F0212](https://openairdocs.org/ntsb/OAK70F0212.md): Bell 47G3B1 · Hamiltn Afb, CA · Accident · 1 fatal · Closed · Dec 30, 1969 · N1320X · Substantial damage
- [NTSB LAX70A0008](https://openairdocs.org/ntsb/LAX70A0008.md): Bell 47G3B1 · Grnd Canyon, AZ · Accident · 3 fatal · Closed · Jul 30, 1969 · N73909 · Destroyed
- [NTSB CAN70A4457](https://openairdocs.org/ntsb/CAN70A4457.md): Schweizer SGS126 · Hope, Canada · Accident · 3 fatal · Closed · Jul 26, 1969 · CF-VEQ · 2 aircraft · Destroyed
- [NTSB NYC69F0178](https://openairdocs.org/ntsb/NYC69F0178.md): Bell 47G3B1 · Sipesville, PA · Accident · 1 fatal · Closed · Aug 5, 1968 · N73247 · Destroyed
- [NTSB SEA69A0008](https://openairdocs.org/ntsb/SEA69A0008.md): Bell 47G3B1 · North Fork, ID · Accident · 1 fatal · Closed · Jul 23, 1968 · N8537F · Destroyed
- [NTSB SEA68A0010](https://openairdocs.org/ntsb/SEA68A0010.md): Bell 47G3B1 · Rufus, OR · Accident · 1 fatal · Closed · Jul 30, 1967 · N8518F · Destroyed
- [NTSB UNK67X0100](https://openairdocs.org/ntsb/UNK67X0100.md): Bell 47G3B1 · Janakpur, Nepal · Accident · 2 fatal · Closed · Oct 5, 1966 · N73973 · Destroyed
- [NTSB SEA67A0027](https://openairdocs.org/ntsb/SEA67A0027.md): Bell 47G3B1 · W.Yellowston, MT · Accident · 2 fatal · Closed · Sep 21, 1966 · N1169W · Destroyed
- [NTSB UNK66X0166](https://openairdocs.org/ntsb/UNK66X0166.md): Bell 47G-3B · Rahgird, Iran · Accident · 1 fatal · Closed · Aug 23, 1966 · N8547F · Destroyed
- [NTSB DEN66A0074](https://openairdocs.org/ntsb/DEN66A0074.md): Bell 47G-3B · Grand Canyon, AZ · Accident · 1 fatal · Closed · Apr 12, 1966 · N73909 · Destroyed
- [NTSB DEN66A0023](https://openairdocs.org/ntsb/DEN66A0023.md): Bell 47G3B1 · Monticello, UT · Accident · 1 fatal · Closed · Sep 28, 1965 · N1127W · Destroyed
- [NTSB UNK64X0473](https://openairdocs.org/ntsb/UNK64X0473.md): Bell 47G3B1 · Little Nway, CA · Accident · 1 fatal · Closed · Feb 5, 1964 · N73909 · Destroyed

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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."highestInjuryLevel" = 'Fatal'
  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
```

This list as a web page: https://openairdocs.org/ntsb?fatal=1&model=1181028

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