# Fatal NTSB investigations: Bell 47G-2

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 CEN18FA258](https://openairdocs.org/ntsb/CEN18FA258.md): Bell 47G · Arlington, IN · Accident · 1 fatal · Field investigation · Final report · Jul 6, 2018 · N96195 · Substantial damage
  > The inflight separation of the upper transmission due to the thread failure of transmission housing attachment bolts, which were installed on the helicopter with thread damage from a prior installation.
- [NTSB CEN14LA415](https://openairdocs.org/ntsb/CEN14LA415.md): Bell 47G 2 · Jeanerette, LA · Accident · 1 fatal · Limited investigation · Final report · Aug 10, 2014 · N4690 · Destroyed
  > The pilot’s improper decision to operate an unairworthy helicopter, which resulted in a loss of control and subsequent impact with terrain.
- [NTSB CEN13LA086](https://openairdocs.org/ntsb/CEN13LA086.md): Bell 47G-2 · Walkerville, MI · Accident · 1 fatal · Limited investigation · Final report · Dec 1, 2012 · N3755Z · Substantial damage
  > The pilot's failure to maintain altitude while maneuvering, which resulted in a collision with trees. Contributing to the accident was the pilot's decision to fly at a low altitude, which did not provide enough margin to recover from the descent.
- [NTSB FTW02LA264](https://openairdocs.org/ntsb/FTW02LA264.md): Bell 47G-2 · Edmondson, AR · Accident · 1 fatal · Limited investigation · Final report · Sep 25, 2002 · N5193B · Destroyed
  > The pilot's failure to maintain clearance from the high voltage power lines.
- [NTSB SEA99LA149](https://openairdocs.org/ntsb/SEA99LA149.md): Bell 47G-2 · Benton City, WA · Accident · 1 fatal · Limited investigation · Final report · Aug 26, 1999 · N11VH · Destroyed
  > A loss of power for undetermined reasons and the failure of the pilot to maintain adequate rotor RPM following the power loss. Contributing factors were the pilot's lack of certification and total experience.
- [NTSB CHI94FA202](https://openairdocs.org/ntsb/CHI94FA202.md): Bell 47G2 · Baldwin, IL · Accident · 2 fatal · Field investigation · Final report · Jun 15, 1994 · N4992G · Destroyed
  > The inadequate maintenance (inspection of aircraft) by maintenance personnel, which resulted in a loss of engine power due to fuel exhaustion. Related factors are the unsafetied fuel filter, and low altitude at which the helicopter operated.
- [NTSB FTW94FA158](https://openairdocs.org/ntsb/FTW94FA158.md): Bell 47G-2 · Tulsa, OK · Accident · 1 fatal · Field investigation · Final report · May 16, 1994 · N47GY · Destroyed
  > In flight loss of control due to the pilot's improper use of the cyclic and collective controls when he maneuvered abruptly to avoid colliding with a flock of birds. Factors were the birds and the inflight separation of the left synchronized elevator.
- [NTSB MIA87FA236](https://openairdocs.org/ntsb/MIA87FA236.md): Cessna 152 · Opa Locka, FL · Accident · 1 fatal · Field investigation · Final report · Aug 31, 1987 · N48864 · 2 aircraft · Substantial damage
  > A student plt & instructor (CFI) in Cessna 152, N48864, took off & entered rgt traffic to practice lndgs on rwy 9R. Soonthereafter, a helicopter plt (h/p) in a bell 47G-2, N6728D, took off & entered rgt traffic to practice lndgs in a desig-nated helicopter…
- [NTSB ATL86FEI07](https://openairdocs.org/ntsb/ATL86FEI07.md): Bell 47G2 · Lisbon, OH · Accident · 1 fatal · Final report · Jun 26, 1986 · N984B · Minor damage
  > The aerial application helicopter was being serviced by a chemical truck that was parked adjacent to the acft. The acft engine was at high idle with the main rotor turning at 250 RPM. The ground crewman jumped off the side of the chemical truck into the main…
- [NTSB CHI85FA198](https://openairdocs.org/ntsb/CHI85FA198.md): Bell 47G-2 · Burlington, MI · Accident · 1 fatal · Field investigation · Final report · May 16, 1985 · N3755J · Substantial damage
  > The helicopter was departing from a trailer which was sloped 5 degs to the left. During takeoff, the left skid lifted off first and the helicopter drifted to the right. The right skid caught on the trailer guides and the helicopter rolled over to the right.
- [NTSB NYC83FA106](https://openairdocs.org/ntsb/NYC83FA106.md): Bell 47G-2 · Waymart, PA · Accident · 2 fatal · Field investigation · Final report · Apr 30, 1983 · N2829B · Destroyed
  > This 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 MIA79FA042](https://openairdocs.org/ntsb/MIA79FA042.md): Bell 47G2 · Opa Locka, FL · Accident · 5 fatal · Closed · Jan 17, 1979 · N2873B · 2 aircraft · Destroyed
- [NTSB MIA79FLA34](https://openairdocs.org/ntsb/MIA79FLA34-202538.md): Bell 47G2 · Omega, GA · Accident · 1 fatal · Closed · Aug 12, 1978 · N6729D · Destroyed
- [NTSB IAD77DA011](https://openairdocs.org/ntsb/IAD77DA011.md): Bell 47G-2 · Pigeon Forge, TN · Accident · 1 fatal · Closed · Nov 6, 1976 · N6755D · Destroyed
- [NTSB OAK76FVG02](https://openairdocs.org/ntsb/OAK76FVG02.md): Bell 47G-2 · Napa, CA · Accident · 1 fatal · Closed · Jul 2, 1975 · N988B · Destroyed
- [NTSB SEA75AS022](https://openairdocs.org/ntsb/SEA75AS022.md): Bell 47G-2 · Kingston, WA · Accident · 1 fatal · Closed · Nov 4, 1974 · N5160B · Destroyed
- [NTSB LAX74AL057](https://openairdocs.org/ntsb/LAX74AL057.md): Bell 47D1 · Westminster, CA · Accident · 2 fatal · Closed · Jan 28, 1974 · N74084 · Destroyed
- [NTSB FTW74FPJ06](https://openairdocs.org/ntsb/FTW74FPJ06.md): EL Tomcat MK5 · Springer, OK · Accident · 1 fatal · Closed · Aug 16, 1973 · N11VH · Substantial damage
- [NTSB NYC71FHA51](https://openairdocs.org/ntsb/NYC71FHA51.md): Bell 47G2 · Branchville, NJ · Accident · 1 fatal · Closed · Jun 8, 1971 · N8426E · Destroyed
- [NTSB SEA70F0119](https://openairdocs.org/ntsb/SEA70F0119.md): Bell 47G-2 · Loomis, WA · Accident · 2 fatal · Closed · Oct 31, 1969 · N2803B · Destroyed
- [NTSB UNK69X0137](https://openairdocs.org/ntsb/UNK69X0137.md): Bell 47G-2 · Ngara Fall, Canada · Accident · 3 fatal · Closed · Aug 5, 1969 · N8403E · Destroyed
- [NTSB NYC69A0072](https://openairdocs.org/ntsb/NYC69A0072.md): Bell 47G-2 · Astoria, NY · Accident · 1 fatal · Closed · Jan 10, 1969 · N710K · Destroyed
- [NTSB LAX70F0025](https://openairdocs.org/ntsb/LAX70F0025.md): Bell 47G-2 · Hollywood, CA · Accident · 2 fatal · Closed · Sep 4, 1968 · N5193B · Destroyed
- [NTSB ANC68A0004](https://openairdocs.org/ntsb/ANC68A0004.md): Bell 47G-2 · Cordova, AK · Accident · 1 fatal · Closed · Jul 27, 1967 · N8406E · Destroyed
- [NTSB ANC67A0037](https://openairdocs.org/ntsb/ANC67A0037.md): Bell 47G-2 · Anchorage, AK · Accident · 1 fatal · Closed · Oct 16, 1966 · N2816B · Destroyed
- [NTSB MKC67A0003](https://openairdocs.org/ntsb/MKC67A0003.md): Bell 47G-2 · St.Paul, MN · Accident · 1 fatal · Closed · Jul 15, 1966 · N2820B · Destroyed
- [NTSB UNK64X2719](https://openairdocs.org/ntsb/UNK64X2719.md): Bell 47G3 · Manson, WA · Accident · 1 fatal · Closed · Jul 8, 1964 · N8441E · 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 ('1181008'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?fatal=1&model=1181008

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.