# NTSB investigations: Bell 47G-4A

A list on [Bell 47G-4A](https://openairdocs.org/model/bell-47g-4a.md).

Matched to the registry by N-number and event date, newest first.

Page 1 of 3 · 122 investigations

- [NTSB ERA26LA331](https://openairdocs.org/ntsb/ERA26LA331.md): Bell 47G-4A · Alcoma, FL · Accident · No injuries · Class 3 · Limited · Preliminary report · Sep 6, 2026 · N797WS · Substantial damage
  > On September 5, 2026, at 1422 eastern daylight time, a Bell 47G-4A, N797WS, was substantially damaged when it was involved in an accident near Alcoma, Florida. The pilot was not injured. The helicopter was operated as a Title 14 Code of Federal Regulations…
- [NTSB CEN25LA298](https://openairdocs.org/ntsb/CEN25LA298.md): Bell 47G · Assumption, MN · Accident · No injuries · Class 4 · Limited · Final report · Jul 31, 2025 · N102SH · Substantial damage
  > A total loss of engine power due to fuel starvation, which resulted from attitude-inducing unporting of the fuel.
- [NTSB WPR19TA245](https://openairdocs.org/ntsb/WPR19TA245.md): Bell 47G · North Las Vegas, NV · Accident · No injuries · Class 3 · Final report · Aug 28, 2019 · N6064H · Substantial damage
  > The noncertificated passenger’s loss of control during attempted hover operations.
- [NTSB GAA15CA202](https://openairdocs.org/ntsb/GAA15CA202.md): Bell 47G · De Queen, AR · Accident · Minor injuries · Data collection · Final report · Jul 25, 2015 · N1420W · Substantial damage
  > The pilot's failure to conduct helicopter performance planning, which resulted in an uncontrolled descent and impact with a truck and terrain during takeoff from an elevated platform.
- [NTSB CEN15LA322](https://openairdocs.org/ntsb/CEN15LA322.md): Bell 47G 4A · Gilbert, IA · Accident · No injuries · Limited investigation · Final report · Jul 24, 2015 · N1396X · Substantial damage
  > The total loss of engine power due to fuel starvation because the available fuel shifted within the tanks due to an abrupt nose-low maneuver to avoid an obstacle, which resulted in a hard forced landing.
- [NTSB CEN11CA403](https://openairdocs.org/ntsb/CEN11CA403.md): Bell 47G-4A · Montgomery City, MO · Accident · No injuries · Data collection · Final report · Jun 18, 2011 · N24HM · Substantial damage
  > A loss of control during the precautionary landing, which resulted in inadvertent contact between the main rotor and the tailboom. Contributing to the accident was the overloaded condition.
- [NTSB CEN10LA431](https://openairdocs.org/ntsb/CEN10LA431.md): Bell 47G-4A · Rochester, MN · Accident · 1 fatal · Limited investigation · Final report · Jul 24, 2010 · N124SH · Substantial damage
  > The total loss of engine power due to a high-cycle fatigue fracture of a first-stage compressor blade. The reason for the fracture could not be determined during postaccident examination.
- [NTSB WPR10CA283](https://openairdocs.org/ntsb/WPR10CA283.md): Bell 47G-4A · Shaw Island, WA · Accident · No injuries · Data collection · Final report · Jun 8, 2010 · N7069J · Substantial damage
  > The passenger's inadvertent movement of the mixture control during climb, resulting in a loss of engine power.
- [NTSB WPR10LA117](https://openairdocs.org/ntsb/WPR10LA117.md): Bell 47G-4A · Shafter, CA · Accident · Minor injuries · Limited investigation · Final report · Jan 22, 2010 · N28938 · Substantial damage
  > The loss of a main rotor blade counterweight due to corrosion. Contributing to the accident was the failure of the operator to perform the initial and recurrent inspections required by a Service Bulletin to detect the corrosion in the counterweight.
- [NTSB CHI08LA211](https://openairdocs.org/ntsb/CHI08LA211.md): Bell 47G-4A · Mayville, WI · Accident · 1 fatal · Limited investigation · Final report · Jul 24, 2008 · N24HM · Minor damage
  > The pilot's failure to maintain clearance with the rotating rotor blades after he exited the helicopter after landing.
- [NTSB DFW06CA142](https://openairdocs.org/ntsb/DFW06CA142.md): Bell 47G-4A · Sheridan, AR · Accident · Serious injuries · Data collection · Final report · May 30, 2006 · N4086C · Substantial damage
  > The pilot's inadequate fuel management, which resulted in fuel exhaustion and a subsequent loss of engine power. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB DFW05LA190](https://openairdocs.org/ntsb/DFW05LA190.md): Bell 47G-4A · Black Oak, AR · Accident · No injuries · Limited investigation · Final report · Jul 15, 2005 · N4087L · Substantial damage
  > The loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX05LA187](https://openairdocs.org/ntsb/LAX05LA187.md): Bell 47G-4A · Bakersfield, CA · Accident · Serious injuries · Limited investigation · Final report · May 25, 2005 · N110DT · Destroyed
  > the pilot's inadequate visual lookout and failure to maintain clearance from the power lines.
- [NTSB LAX04LA176](https://openairdocs.org/ntsb/LAX04LA176.md): Bell 47G-4A · Bakersfield, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 3, 2004 · N7NB · Substantial damage
  > a loss of tail rotor drive due to a disconnection of the drive shaft's splined coupling at the tail rotor gear box. The splined coupling to tail rotor gear box disconnection occurred as a result of tail boom flexing due to the combined effects of an…
- [NTSB FTW02LA186](https://openairdocs.org/ntsb/FTW02LA186.md): Bell 47G4 · Grand Lake, LA · Accident · Minor injuries · Limited investigation · Final report · Jun 23, 2002 · N62446 · Destroyed
  > the pilot's inability to control the helicopter in a hover due to the restricted movement of the cyclic for undetermined reasons.
- [NTSB ATL02FA107](https://openairdocs.org/ntsb/ATL02FA107.md): Bell 47G-4A · Yauco, PR · Accident · 1 fatal · Field investigation · Final report · May 25, 2002 · N6SR · Destroyed
  > The pilot's failure to apply carburetor heat that resulted in a partial loss of engine power and the subsequent collision with an object during the forced landing. A factor was weather conditions favorable for the formation of carburetor ice.
- [NTSB LAX01LA276](https://openairdocs.org/ntsb/LAX01LA276.md): Bell 47G-4A · Strathmore, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 11, 2001 · N4262Y · Destroyed
  > The pilot's inadequate visual lookout while maneuvering during an aerial application flight.
- [NTSB LAX01LA196](https://openairdocs.org/ntsb/LAX01LA196.md): Bell 47G-4A · Buttonwillow, CA · Accident · No injuries · Limited investigation · Final report · May 31, 2001 · N110DT · Substantial damage
  > The pilot's inadequate in-flight planning that resulted in settling with power during an aerial application turn-to-reverse direction and collision with the ground. Factors were high density altitude and a wind shift.
- [NTSB LAX00LA116](https://openairdocs.org/ntsb/LAX00LA116.md): Bell 47G-4A · Wasco, CA · Accident · No injuries · Limited investigation · Final report · Mar 7, 2000 · N1354X · Substantial damage
  > The pilot's failure to use carburetor heat, which resulted in a loss of engine power. Factors included the ambient carburetor icing conditions and the lack of suitable terrain for the forced landing.
- [NTSB MIA98FA229](https://openairdocs.org/ntsb/MIA98FA229.md): Bell 47G-4A · Carrollton, AL · Accident · No injuries · Field investigation · Final report · Aug 23, 1998 · N7162M · Substantial damage
  > The pilots failure to follow written instructions in the flight manual for an engine failure, and the improper use of flight controls (cyclic/collective) during an autorotation resulting in a hard landing, and collision of the main rotor blades with the…
- [NTSB LAX98LA197](https://openairdocs.org/ntsb/LAX98LA197.md): Bell 47G-4A · Shafter, CA · Accident · No injuries · Limited investigation · Final report · Jun 14, 1998 · N110DT · Substantial damage
  > The aircraft's encounter with settling with power, which resulted from the pilot's decision to perform a steep downwind approach.
- [NTSB FTW98LA030](https://openairdocs.org/ntsb/FTW98LA030.md): Bell 47G-4A · Welsh, LA · Accident · No injuries · Limited investigation · Final report · Oct 16, 1997 · N7104J · Substantial damage
  > the pilot's failure to maintain control of the helicopter, while maneuvering to avoid an obstruction. The abrupt maneuver was a related factor.
- [NTSB SEA97LA191](https://openairdocs.org/ntsb/SEA97LA191.md): Bell 47G · Wellpinit, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 17, 1997 · N9571 · Substantial damage
  > The pilot's selection of an unsuitable landing site, and his failure to maintain rotor blade clearance from terrain during landing.
- [NTSB ATL96LA129](https://openairdocs.org/ntsb/ATL96LA129.md): Bell 47G-4A (Soloy) · Belmont, MS · Accident · Minor injuries · Limited investigation · Final report · Sep 19, 1996 · N23PH · Substantial damage
  > failure of the aft universal joint of the tail rotor drive shaft, due to inadequate lubrication by company maintenance personnel. A factor relating to the accident was the pilot's delay in discontinuing the flight after noting a progressively worse tail rotor…
- [NTSB LAX96LA315](https://openairdocs.org/ntsb/LAX96LA315.md): Bell 47-G4A · Guam · Accident · 1 fatal · Limited investigation · Final report · Aug 26, 1996 · N474GA · Destroyed
  > loss of tail rotor control due to improper maintenance.
- [NTSB MIA96LA210](https://openairdocs.org/ntsb/MIA96LA210.md): Bell 47G-4A · Adel, GA · Accident · 1 fatal · Limited investigation · Final report · Aug 11, 1996 · N9472G · Destroyed
  > the pilot's misjudgment of clearance between the helicopter and the antenna. A factor relating to the accident was the pilot's use of a drug (medication) that had sedative effects.
- [NTSB LAX96LA149](https://openairdocs.org/ntsb/LAX96LA149.md): Bell 47G-4A · Pacific Ocean (Pacific Ocean) · Accident · No injuries · Limited investigation · Final report · Nov 2, 1995 · N99138 · Destroyed
  > failure of the pilot to maintain lateral control of the helicopter, while hovering in preparation for a precautionary landing next to a ship at sea. Factors relating to the accident were: the passenger's premature evacuation from the helicopter, and the…
- [NTSB FTW96LA005](https://openairdocs.org/ntsb/FTW96LA005.md): Bell 47G-4A · Edinburg, TX · Accident · Minor injuries · Limited investigation · Final report · Oct 3, 1995 · N6SR · Substantial damage
  > the pilot's improper takeoff planning which resulted in the loss of conrol. A factor was the gusty crosswind condition.
- [NTSB CHI95LA270](https://openairdocs.org/ntsb/CHI95LA270.md): Bell 47 · Arlington Hts, IL · Accident · Minor injuries · Limited investigation · Final report · Aug 12, 1995 · N4032G · Substantial damage
  > plot misjudged the flare. The factors included the pilot getting too close to the lead helicopter, allowing his airspeed to get too slow, and encountering settling with power.
- [NTSB FTW95LA105](https://openairdocs.org/ntsb/FTW95LA105.md): Bell 47G-4A · El Indio, TX · Accident · Minor injuries · Limited investigation · Final report · Feb 1, 1995 · N6SR · Destroyed
  > The loss of tail rotor effectiveness. A factor was the gusty right quartering tailwind.
- [NTSB LAX93LA120](https://openairdocs.org/ntsb/LAX93LA120.md): Bell 47G · Bakersfield, CA · Accident · No injuries · Limited investigation · Final report · Feb 13, 1993 · N1185W · Substantial damage
  > The clutch slippage and failure of the pilot to jettison the load.
- [NTSB NYC92FA117](https://openairdocs.org/ntsb/NYC92FA117.md): Bell 47-G4A · Shelburne Falls, MA · Accident · 3 fatal · Field investigation · Final report · Jun 16, 1992 · N1041B · Destroyed
  > The pilot's failure to maintain adequate obstacle clearance. Contributing was inadequate altitude.
- [NTSB LAX91LA363](https://openairdocs.org/ntsb/LAX91LA363.md): Bell 47G · Kettleman City, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 20, 1991 · N4062G · Substantial damage
  > A non-mechanical loss of engine power due to fuel exhaustion by the pilot's improper calculation of the fuel supply and subsequent hard landing.
- [NTSB FTW90DPJ05](https://openairdocs.org/ntsb/FTW90DPJ05.md): Bell 47G-4A · Bixby, OK · Accident · Minor injuries · Final report · Apr 14, 1990 · N2238W · Destroyed
  > Loss of control due to undetermined mechanical failure.
- [NTSB DEN87DTG02](https://openairdocs.org/ntsb/DEN87DTG02.md): Bell 47G-4A · Minot, ND · Accident · No injuries · Final report · Sep 8, 1987 · N2238W · Substantial damage
  > The plt rprtd that when he took off fm a nrby nurse truck, the wind was fm the NE at 5 to 7 mph. He made an observation pass across the area to be treated, then bgn a dscndg rgt turn to make a swath run in the opposite drctn. He stated he was unaware of a…
- [NTSB LAX87DVD01](https://openairdocs.org/ntsb/LAX87DVD01.md): Bell 47G4A · Stockton, CA · Accident · Serious injuries · Final report · Feb 2, 1987 · N28938 · Substantial damage
  > Just after takeoff, the engine experienced a power loss while transporting agricultural equipment. A fractographic examination of the failed fuel disconnect fitting by anamet laboratories, concluded that approximately 70% of the retaining ring on the fuel…
- [NTSB LAX86DVA13](https://openairdocs.org/ntsb/LAX86DVA13.md): Bell 47G-4A · Shafter, CA · Accident · No injuries · Final report · Aug 8, 1986 · N1185W · Substantial damage
  > Shortly after departing the loading rig, en route to an agricultural aerial application operation, the forward coupling tail rotor drive shaft failed. The helicopter was about 10 ft above ground level and about 100 ft west of the loading rig. The pilot…
- [NTSB DEN85LTG06](https://openairdocs.org/ntsb/DEN85LTG06.md): Bell 47G-4A · Minot, ND · Accident · No injuries · Final report · Jul 30, 1985 · N1041B · Substantial damage
  > The plt was engaged by a deputy sheriff to fly the helicopter about 2-1/2 mi to the Minot intl arpt for impoundment. During takeoff, it began climbing, then the plt lost control & the helicopter entered a descent & crashed. Initial impact occurred about 35 ft…
- [NTSB FTW84LA144](https://openairdocs.org/ntsb/FTW84LA144.md): Bell 47G4A · Refugio, TX · Accident · Minor injuries · Limited investigation · Final report · Feb 21, 1984 · N7956J · Destroyed
  > The helicopter was being used to herd cattle in a heavily wooded/brushy area. The plt reported he was in a hover maneuver at 50-60 ft AGL when he heard a loud sound from the rear of the helicopter. It immediately pitched nose down & started to rotate to the…
- [NTSB LAX83FA462](https://openairdocs.org/ntsb/LAX83FA462.md): Bell 47G-4G · Lodi, CA · Accident · No injuries · Field investigation · Final report · Sep 28, 1983 · N7956S · Destroyed
  > During takeoff, the helicopter lost power after climbing aprx 20 ft. the plt made an autorotative landing, but after touchdown, the helicopter slid down a river bank, rolled over & began burning. The fuel tanks did not rupture & still contained fuel. When…
- [NTSB ATL83LA379](https://openairdocs.org/ntsb/ATL83LA379.md): Bell 47G-4A · Wise, VA · Accident · Minor injuries · Limited investigation · Final report · Sep 25, 1983 · N1400W · Substantial damage
  > The plt held a commercial certificate, but was a student in helicopter flying. He had over 15,000 hrs total time in airplanes, but only aprx 13 hrs of experience in helicopters. On his 1st solo flt in a helicopter, he was making approaches to a grassy area…
- [NTSB CHI83LA292](https://openairdocs.org/ntsb/CHI83LA292.md): Bell 47G-4A · Wheeler, IL · Accident · No injuries · Limited investigation · Final report · Jul 5, 1983 · N7069J · Substantial damage
  > The plt reported that while he was returning for another load of chemicals, the eng missed a couple of times, then smoothed out for about 1 min. After that, the eng missed again, then quit while the helicopter was at aprx 150 ft AGL. The plt chose to clear…
- [NTSB ATL83LA160](https://openairdocs.org/ntsb/ATL83LA160.md): Bell 47G-4A · Charleston, WV · Accident · No injuries · Limited investigation · Final report · Apr 13, 1983 · N4749R · Substantial damage
  > During an approach to land, the engine lost power at aprx 500 ft AGL. The plt reported that during an autorotative landing, he had to maneuver to avoid trees & a ridge in order to land in a suitable area. During this time, rotor RPM dropped & a crash landing…
- [NTSB LAX83FA087](https://openairdocs.org/ntsb/LAX83FA087.md): Bell 47G4 · Five Points, CA · Accident · Minor injuries · Field investigation · Final report · Feb 3, 1983 · N4262Y · Destroyed
  > The pilot was on his final pass of the operation. He flew under 2 sets of wires but failed to see a third set. The spray boom caught on the the wire pitching the helicopter nose down. The main rotor hit the tail boom and the helicoptercrashed into a canal.
- [NTSB CHI82DA347](https://openairdocs.org/ntsb/CHI82DA347.md): Bell 47G-4A · Near Brooten, MN · Accident · No injuries · Final report · Aug 20, 1982 · N4090G · Substantial damage
  > The pilot had been engaged in a spraying operation for 2.5 hrs when he returned and landed on a flat bed type trailer to service the helicopter. After the hopper was serviced with 60 gal of herbicide, the pilot began his take off. He stated that just after…
- [NTSB FTW82DRG16](https://openairdocs.org/ntsb/FTW82DRG16.md): Bell 47G-4A · Encinal, TX · Accident · No injuries · Closed · Dec 9, 1981 · N8573F · Substantial damage
- [NTSB FTW82DRG07](https://openairdocs.org/ntsb/FTW82DRG07.md): Bell 47G-4A · Telegraph, TX · Accident · No injuries · Closed · Nov 2, 1981 · N62446 · Substantial damage
- [NTSB LAX82DVA05](https://openairdocs.org/ntsb/LAX82DVA05.md): Bell 47G-4A · Wasco, CA · Accident · No injuries · Closed · Oct 16, 1981 · N7NB · Substantial damage
- [NTSB FTW81DRG40](https://openairdocs.org/ntsb/FTW81DRG40.md): Bell 47G-4 · Eagle Pass, TX · Accident · No injuries · Closed · Jun 11, 1981 · N7948S · Substantial damage
- [NTSB SEA81FA035](https://openairdocs.org/ntsb/SEA81FA035.md): Bell 47G-4A · Aberdeen, WA · Accident · 2 fatal · Closed · May 19, 1981 · N9457 · Destroyed

Next page: https://openairdocs.org/model/bell-47g-4a/ntsb.md?page=2

## 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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.aircraft_model_code IN ('1181031')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/model/bell-47g-4a/ntsb

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