# 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. Page 1 of 7 · 313 cases ## Latest cases - [NTSB WPR24LA093](https://openairdocs.org/ntsb/WPR24LA093.md): Bell 47G-3B-1 · Garey, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 23, 2024 · N2618W · Substantial damage > Maintenance personnel’s failure to properly check the torque paint on a fuel control unit B-nut, which resulted in the loosening of the B-nut, a loss of engine power at a low altitude, and a subsequent impact with terrain. - [NTSB ERA20LA216](https://openairdocs.org/ntsb/ERA20LA216.md): Bell 47G · Atoka, TN · Accident · No injuries · Class 3 · Limited · Final report · Jun 15, 2020 · N473TT · Substantial damage > A total loss of engine power due to a blocked fuel line; the reason for the blockage could not be determined based on the available evidence. - [NTSB CEN19TA280](https://openairdocs.org/ntsb/CEN19TA280.md): Bell 47G · Montrose, CO · Accident · Serious injuries · Class 3 · Final report · Aug 20, 2019 · N1170W · Substantial damage > A loss of engine power due to fuel starvation, which resulted from attitude-induced unporting of the fuel. - [NTSB WPR19LA194](https://openairdocs.org/ntsb/WPR19LA194.md): Bell 47G 3B 1 · Mosby, MT · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 13, 2019 · N3078G · Substantial damage > The pilot’s failure to account for environmental conditions conducive to a loss of tail rotor effectiveness, which resulted in a loss of tail rotor effectiveness and subsequent loss of control. Contributing to the accident was the pilot’s inappropriate… - [NTSB GAA19CA216](https://openairdocs.org/ntsb/GAA19CA216.md): Bell 47G · Donna, TX · Accident · No injuries · Data collection · Final report · Apr 17, 2019 · N96671 · Substantial damage > The pilot's failure to maintain altitude during an agricultural application flight. - [NTSB WPR19LA019](https://openairdocs.org/ntsb/WPR19LA019.md): Bell 47G · Wichita Falls, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Nov 2, 2018 · N1159W · Destroyed > A total loss of engine power for reasons that could not be determined based on the available information. - [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 WPR16LA069](https://openairdocs.org/ntsb/WPR16LA069.md): Bell 47G 3B 1 · Carson City, NV · Accident · Minor injuries · Limited investigation · Final report · Feb 13, 2016 · N1181W · Substantial damage > The pilot's failure to maintain sufficient main rotor rpm, which resulted in a loss of helicopter control and a dynamic rollover. - [NTSB ERA15LA296](https://openairdocs.org/ntsb/ERA15LA296.md): Bell 47G 3B 1 · Camden, AL · Accident · No injuries · Limited investigation · Final report · Aug 3, 2015 · N4002G · Substantial damage > A failure of the helicopter's hydraulic flight control systems for reasons that could not be determined due to the fire damage, and the pilot's inability to turn off the hydraulic system to relieve control pressure. - [NTSB GAA15CA097](https://openairdocs.org/ntsb/GAA15CA097.md): Bell 47G 3B 1 · Fort Pierre, SD · Accident · No injuries · Data collection · Final report · May 28, 2015 · N112SH · Substantial damage > The pilot's inadequate preflight fuel planning that resulted in a total loss of engine power due to fuel exhaustion, and the pilot's failure to maintain control of the helicopter during the subsequent autorotation landing. - [NTSB CEN14LA174](https://openairdocs.org/ntsb/CEN14LA174.md): Bell 47G 3B · Oglesby, TX · Accident · No injuries · Limited investigation · Final report · Mar 30, 2014 · N147WT · Substantial damage > Maintenance personnel’s failure to safety wire the throttle control adapter per maintenance instructions when the carburetor was replaced and to detect that the adapter was not safety wired during the annual inspection, which resulted in the throttle control… - [NTSB CEN13LA463](https://openairdocs.org/ntsb/CEN13LA463.md): Bell 47G-3B-1 · Vinton, IA · Accident · No injuries · Limited investigation · Final report · Aug 6, 2013 · N83702 · Substantial damage > The pilot's operation of the helicopter at high gross weight and high density altitude while still in ground effect, which reduced the efficiency of the rotor system and the amount of lift produced, which resulted in a collision with terrain. Contributing to… - [NTSB CEN13LA395](https://openairdocs.org/ntsb/CEN13LA395.md): Bell 47G-3B-1 · Plover, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 6, 2013 · N7924S · Substantial damage > The pilot’s failure to maintain proper engine rpm, which resulted in a high rate of descent and ground impact. - [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 CEN11LA370](https://openairdocs.org/ntsb/CEN11LA370.md): Bell 47G-3B-1 · Lakeville, MN · Accident · Serious injuries · Limited investigation · Final report · May 25, 2011 · N96SH · Substantial damage > The loss of engine power due to a loose B-nut on the compressor discharge pressure bleed line. - [NTSB WPR10CA470](https://openairdocs.org/ntsb/WPR10CA470.md): Bell 47G · Gaston, OR · Accident · No injuries · Data collection · Final report · Sep 26, 2010 · N7860S · Substantial damage > The pilot's failure to maintain tail rotor clearance while landing on a transport trailer positioned on an uneven surface. - [NTSB LAX08CA229](https://openairdocs.org/ntsb/LAX08CA229.md): Bell 47G-3B-1 · Shafter, CA · Accident · No injuries · Data collection · Final report · Jul 15, 2008 · N1390X · Substantial damage > The pilot's failure to maintain adequate altitude while maneuvering. Contributing factors were the failure of the helicopter's lights during the night flight and the effect of that failure on the pilot's visual perception. - [NTSB LAX08LA097](https://openairdocs.org/ntsb/LAX08LA097.md): Bell 47G-3B-1 · Denio, NV · Accident · No injuries · Limited investigation · Final report · Apr 11, 2008 · N24SD · Substantial damage > The pilot's inadvertent hard landing induced by a perceived loss of power and a main transmission anomaly while maneuvering at low altitude. - [NTSB DEN07LA155](https://openairdocs.org/ntsb/DEN07LA155.md): Bell 47G-3B-1 · Avondale, CO · Accident · No injuries · Limited investigation · Final report · Sep 12, 2007 · N360SS · Substantial damage > The pilot's failure to attain translational lift and his improper flare. A contributing factor in this accident was the sudden wind shift. - [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 DEN05LA137](https://openairdocs.org/ntsb/DEN05LA137.md): Bell 47G-3B-1 · Rock Springs, WY · Accident · No injuries · Limited investigation · Final report · Sep 13, 2005 · N24SD · Substantial damage > the pilot's failure to maintain control of the helicopter during the attempted autorotation after he experienced an engine overspeed that occurred for reasons undetermined. - [NTSB SEA05CA122](https://openairdocs.org/ntsb/SEA05CA122.md): Bell 47G-3B-1 · Brewster, WA · Accident · Minor injuries · Data collection · Final report · Jun 19, 2005 · N8554F · Substantial damage > The pilot's inadvertent anti-torque pedal input, which resulted in a loss of control and collision with trees while hovering. - [NTSB CHI05CA147](https://openairdocs.org/ntsb/CHI05CA147.md): Bell 47G · Twin Brooks, SD · Accident · Minor injuries · Data collection · Final report · May 19, 2005 · N8505F · Substantial damage > The pilot's inadequate lookout and his failure to maintain clearance with the power lines. A factor was the low altitude at which the helicopter was operating. - [NTSB FTW04CA207](https://openairdocs.org/ntsb/FTW04CA207.md): Bell 47G-3B-1 · Troy, TX · Accident · No injuries · Data collection · Final report · Aug 5, 2004 · N47713 · Substantial damage > The flight instructor's improper flare, resulting in a hard landing. A contributing factor was the high density altitude. - [NTSB SEA04LA114](https://openairdocs.org/ntsb/SEA04LA114.md): Bell 47G-3B-1 · Medford, OR · Accident · Serious injuries · Limited investigation · Final report · Jun 23, 2004 · N73909 · Substantial damage > The pilot's failure to maintain clearance from a tree while maneuvering. Trees were a factor. - [NTSB DEN04LA047](https://openairdocs.org/ntsb/DEN04LA047.md): Bell 47G-3B-1 · Kremmling, CO · Accident · No injuries · Limited investigation · Final report · Feb 13, 2004 · N83702 · Substantial damage > the pilot's failure to attain landing flare and maintain adequate rotor rpm. - [NTSB SEA03LA189](https://openairdocs.org/ntsb/SEA03LA189.md): Bell 47G-3B-1 · Diamond, OR · Accident · Serious injuries · Limited investigation · Final report · Sep 12, 2003 · N48020 · Substantial damage > Loss of engine power for undetermined reasons during hover. - [NTSB LAX03TA043](https://openairdocs.org/ntsb/LAX03TA043.md): Bell 47G-3B-1 · Panaca, NV · Accident · No injuries · Final report · Dec 1, 2002 · N48020 · Substantial damage > separation of the no. 6 cylinder intake valve head from the valve stem, which resulted in a loss of engine power. The mechanism responsible for the valve failure is unknown. - [NTSB ATL03LA007](https://openairdocs.org/ntsb/ATL03LA007.md): Bell 47G3B1 · Highfalls, GA · Accident · No injuries · Limited investigation · Final report · Oct 19, 2002 · N4002G · Substantial damage > The pilots inadequate fuel management, and subsequent loss of engine power due to fuel exhaustion, and a in-flight collision with trees during an autorotation. A factor was the pilot's failure to insure that the required equipment (fuel gauge) was installed… - [NTSB LAX01LA098](https://openairdocs.org/ntsb/LAX01LA098.md): Bell 47-G3B1 · Winterhaven, CA · Accident · No injuries · Limited investigation · Final report · Feb 10, 2001 · N3084G · Substantial damage > A failure of the transmission free wheeling unit due to improper maintenance. A factor was the dark night visual condition. - [NTSB MIA00LA257](https://openairdocs.org/ntsb/MIA00LA257.md): Bell 47G-3B-1 · Canton, MS · Accident · Serious injuries · Limited investigation · Final report · Sep 1, 2000 · N53SP · Destroyed > The pilot's inadequate visual lookout which resulted in the helicopter colliding with power lines, catching fire, and being consumed by fire after landing. - [NTSB CHI00LA204](https://openairdocs.org/ntsb/CHI00LA204.md): Bell 47G-3B-1 · Holstein, NE · Accident · Minor injuries · Limited investigation · Final report · Jul 16, 2000 · N83701 · Substantial damage > the settling with power encountered by the pilot. A factor was the sudden windshift. - [NTSB SEA00LA124](https://openairdocs.org/ntsb/SEA00LA124.md): Bell 47G · Haines, OR · Accident · Minor injuries · Limited investigation · Final report · Jul 4, 2000 · N30DP · Substantial damage > The pilot's failure to correctly judge his rate of descent and his failure to initiate his level off soon enough to keep the helicopter from impacting the terrain. Factors include hilly terrain near the edge of the field he was spraying. - [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 FTW99TA194](https://openairdocs.org/ntsb/FTW99TA194.md): Bell 47G-3B-1 · Sour Lake, TX · Accident · No injuries · Final report · Jul 17, 1999 · N4002G · Substantial damage > The 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… - [NTSB LAX99LA049](https://openairdocs.org/ntsb/LAX99LA049.md): Bell 47G-3B-1 · Winterhaven, CA · Accident · No injuries · Limited investigation · Final report · Dec 4, 1998 · N3084G · Substantial damage > The failure of the pilot to maintain rotor rpm. A factor was his attempt to take off over gross weight. - [NTSB CHI98LA198](https://openairdocs.org/ntsb/CHI98LA198.md): Bell 47G · Le Center, MN · Accident · Serious injuries · Limited investigation · Final report · Jun 10, 1998 · N73284 · Destroyed > the pilot's failure to maintain clearance with the wire. A factor associated with the accident was the wire which the helicopter contacted. - [NTSB SEA98LA064](https://openairdocs.org/ntsb/SEA98LA064.md): Bell 47G-3B-1 · Sedro Wooley, WA · Accident · No injuries · Limited investigation · Final report · Apr 20, 1998 · N80SD · Destroyed > Fuel contamination and subsequent carburetor fuel flow restriction initiated by the use of an improper material (incorrect fuel hose). A factor was the trees. - [NTSB FTW98TA099](https://openairdocs.org/ntsb/FTW98TA099.md): Bell 47G-3B-1 · Magdalena, NM · Accident · No injuries · Final report · Jan 15, 1998 · N7901S · Substantial damage > The pilot's failure to maintain adequate main rotor rpm. A factor was a lack of recent experience in the type of operation being performed. - [NTSB IAD97LA104](https://openairdocs.org/ntsb/IAD97LA104.md): Bell 47G-3B-1 · Mt. Vernon, OH · Accident · Minor injuries · Limited investigation · Final report · Jul 26, 1997 · N35134 · Substantial damage > The pilot's failure to maintain rotor RPM. - [NTSB FTW97LA264](https://openairdocs.org/ntsb/FTW97LA264.md): Bell 47G-3B-1 · Crossett, AR · Accident · Serious injuries · Limited investigation · Final report · Jul 13, 1997 · N83701 · Substantial damage > failure of maintenance personnel to perform an adequate inspection of the fuselage center frame and detect a fatigue fracture of a longeron tube on the upper left side of the center frame, which resulted in a disconnect of the tail rotor drive shaft from the… - [NTSB SEA97LA158](https://openairdocs.org/ntsb/SEA97LA158.md): Bell 47G-3B-1 · Roosevelt, UT · Accident · Serious injuries · Limited investigation · Final report · Jul 5, 1997 · N8537F · Substantial damage > the pilot's failure to maintain directional control. Wind gusts were a factor. - [NTSB LAX97TA213](https://openairdocs.org/ntsb/LAX97TA213.md): Bell 47G-3B-1 · Fallon, NV · Accident · No injuries · Final report · Jun 16, 1997 · N1335X · Substantial damage > exhaustion 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. - [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 MIA96LA235](https://openairdocs.org/ntsb/MIA96LA235.md): Bell 47G-3B-1 · Borinquen, PR · Accident · No injuries · Limited investigation · Final report · Sep 29, 1996 · N1397X · Substantial damage > the pilot failed to maintain control of the aircraft while hover taxing. Factors in this accident were wind gusts and a tailwind. - [NTSB FTW96TA383](https://openairdocs.org/ntsb/FTW96TA383.md): Bell 47G-3B-1 · Rangely, CO · Accident · No injuries · Final report · Sep 10, 1996 · N1335X · Substantial damage > the pilot's excessive cyclic control input during a low altitude operation, and his failure to maintain altitude/clearance from high vegetation (sage brush). The proximity of high vegetation was a related factor. - [NTSB FTW96LA356](https://openairdocs.org/ntsb/FTW96LA356.md): Bell 47 Soloy · Intracoastal, LA · Accident · No injuries · Limited investigation · Final report · Aug 23, 1996 · N1169W · Destroyed > the loss of aircraft control by unknown person(s). - [NTSB LAX96LA263](https://openairdocs.org/ntsb/LAX96LA263.md): Bell 47G3 · Wasco, CA · Accident · No injuries · Limited investigation · Final report · Jul 6, 1996 · N154PG · Substantial damage > the pilot's failure to maintain adequate engine rpm during an aerial application flight. - [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 ATL95LA115](https://openairdocs.org/ntsb/ATL95LA115.md): Bell 47G3B1 · Livingston, AL · Accident · Serious injuries · Limited investigation · Final report · Jun 20, 1995 · N101VB · Substantial damage > The loss of engine power for undetermined reasons. Next page: https://openairdocs.org/ntsb.md?model=1181028&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_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')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=1181028 --- 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.