# Lycoming TVO-435-GIA

- Type: Engine model (FAA registry)
- Registry code: 41526
- Manufacturer (registry): LYCOMING
- Model: TVO-435-GIA
- Engine type: Turbo-prop
- Power: 280 hp
- Installed in: 88 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-tvo-435-gia

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft (88, first 50)

- [N100VB](https://openairdocs.org/aircraft/N100VB): [Kindlimann Charles T Jr](https://openairdocs.org/faa-owner/KINDLIMANN%20CHARLES%20T%20JR), [Trout Run, PA](https://openairdocs.org/faa-place/PA/Trout%20Run), built 1966, S/N 3552
- [N10DP](https://openairdocs.org/aircraft/N10DP): [Novotny Stephen E DBA](https://openairdocs.org/faa-owner/NOVOTNY%20STEPHEN%20E%20DBA), [Winner, SD](https://openairdocs.org/faa-place/SD/Winner), S/N 6819
- [N11102](https://openairdocs.org/aircraft/N11102): [Fly Right Aviation LLC](https://openairdocs.org/faa-owner/FLY%20RIGHT%20AVIATION%20LLC), [Anderson, SC](https://openairdocs.org/faa-place/SC/Anderson), built 1965, S/N 3351
- [N1181W](https://openairdocs.org/aircraft/N1181W): [Dick Richard A](https://openairdocs.org/faa-owner/DICK%20RICHARD%20A), [Hutchinson, KS](https://openairdocs.org/faa-place/KS/Hutchinson), built 1966, S/N 2948
- [N1310X](https://openairdocs.org/aircraft/N1310X): [Wilbur-Ellis Co](https://openairdocs.org/faa-owner/WILBUR-ELLIS%20CO), [Salinas, CA](https://openairdocs.org/faa-place/CA/Salinas), built 1966, S/N 7814
- [N1333X](https://openairdocs.org/aircraft/N1333X): [Hendrickson Flying Service Inc](https://openairdocs.org/faa-owner/HENDRICKSON%20FLYING%20SERVICE%20INC), [Rochelle, IL](https://openairdocs.org/faa-place/IL/Rochelle), built 1966, S/N 6554
- [N1335X](https://openairdocs.org/aircraft/N1335X): [Hendrickson Flying Service Inc](https://openairdocs.org/faa-owner/HENDRICKSON%20FLYING%20SERVICE%20INC), [Rochelle, IL](https://openairdocs.org/faa-place/IL/Rochelle), built 1966, S/N 6556
- [N1362X](https://openairdocs.org/aircraft/N1362X): [Morten John E](https://openairdocs.org/faa-owner/MORTEN%20JOHN%20E), [Larimore, ND](https://openairdocs.org/faa-place/ND/Larimore), built 1966, S/N 6573
- [N1380X](https://openairdocs.org/aircraft/N1380X): [Lieff Daniel W](https://openairdocs.org/faa-owner/LIEFF%20DANIEL%20W), [Yellow Springs, OH](https://openairdocs.org/faa-place/OH/Yellow%20Springs), built 1966, S/N 6577
- [N1390X](https://openairdocs.org/aircraft/N1390X): [Cai Tech LLC](https://openairdocs.org/faa-owner/CAI%20TECH%20LLC), [Greenwood, DE](https://openairdocs.org/faa-place/DE/Greenwood), S/N 6586
- [N1397X](https://openairdocs.org/aircraft/N1397X): [Aerial Patrol Resource LLC](https://openairdocs.org/faa-owner/AERIAL%20PATROL%20RESOURCE%20LLC), [Jerusalem, OH](https://openairdocs.org/faa-place/OH/Jerusalem), built 1966, S/N 6585
- [N1461W](https://openairdocs.org/aircraft/N1461W): [Skyhawk Helicopter Service Inc](https://openairdocs.org/faa-owner/SKYHAWK%20HELICOPTER%20SERVICE%20INC), [Minersville, UT](https://openairdocs.org/faa-place/UT/Minersville), built 1969, S/N 6733
- [N147HC](https://openairdocs.org/aircraft/N147HC): [Dick Richard A](https://openairdocs.org/faa-owner/DICK%20RICHARD%20A), [Hutchinson, KS](https://openairdocs.org/faa-place/KS/Hutchinson), built 1971, S/N 6790
- [N147RW](https://openairdocs.org/aircraft/N147RW): [Nipper Troy R](https://openairdocs.org/faa-owner/NIPPER%20TROY%20R), [Texarkana, TX](https://openairdocs.org/faa-place/TX/Texarkana), S/N 3097
- [N147WT](https://openairdocs.org/aircraft/N147WT): [Aircraft Logistics Services LLC](https://openairdocs.org/faa-owner/AIRCRAFT%20LOGISTICS%20SERVICES%20LLC), [Rockford, MI](https://openairdocs.org/faa-place/MI/Rockford), built 1964, S/N 2920
- [N14827](https://openairdocs.org/aircraft/N14827): [Wildhorse Helicopters Inc](https://openairdocs.org/faa-owner/WILDHORSE%20HELICOPTERS%20INC), [Pendleton, OR](https://openairdocs.org/faa-place/OR/Pendleton), built 1972, S/N 6837
- [N15AR](https://openairdocs.org/aircraft/N15AR): [Orbic Inc](https://openairdocs.org/faa-owner/ORBIC%20INC), [Camarillo, CA](https://openairdocs.org/faa-place/CA/Camarillo), built 1963, S/N 2815
- [N18SS](https://openairdocs.org/aircraft/N18SS): [USA Helicopter Inc](https://openairdocs.org/faa-owner/USA%20HELICOPTER%20INC), [West Winfield, NY](https://openairdocs.org/faa-place/NY/West%20Winfield), built 1966, S/N 6581
- [N2211N](https://openairdocs.org/aircraft/N2211N): [Roberts Edgar S](https://openairdocs.org/faa-owner/ROBERTS%20EDGAR%20S), [Washoe Valley, NV](https://openairdocs.org/faa-place/NV/Washoe%20Valley), S/N 2950
- [N2277W](https://openairdocs.org/aircraft/N2277W): [Sterling Lane Helicopters LLC](https://openairdocs.org/faa-owner/STERLING%20LANE%20HELICOPTERS%20LLC), [Farmingdale, NY](https://openairdocs.org/faa-place/NY/Farmingdale), built 1971, S/N 6829
- [N23590](https://openairdocs.org/aircraft/N23590): [Ras Aviation LLC](https://openairdocs.org/faa-owner/RAS%20AVIATION%20LLC), [Mansfield, IL](https://openairdocs.org/faa-place/IL/Mansfield), built 1965, S/N 3506
- [N247W](https://openairdocs.org/aircraft/N247W): [Wildhorse Helicopter Co Inc](https://openairdocs.org/faa-owner/WILDHORSE%20HELICOPTER%20CO%20INC), [Pendleton, OR](https://openairdocs.org/faa-place/OR/Pendleton), built 1968, S/N 6683
- [N24MP](https://openairdocs.org/aircraft/N24MP): [Wildhorse Helicopters Inc](https://openairdocs.org/faa-owner/WILDHORSE%20HELICOPTERS%20INC), [Pendleton, OR](https://openairdocs.org/faa-place/OR/Pendleton), built 1972, S/N 6836
- [N25SD](https://openairdocs.org/aircraft/N25SD): [Argosy Venture Corp](https://openairdocs.org/faa-owner/ARGOSY%20VENTURE%20CORP), [Santa Fe, NM](https://openairdocs.org/faa-place/NM/Santa%20Fe), built 1968, S/N 3747
- [N290SS](https://openairdocs.org/aircraft/N290SS): [Magnum Aviation LLC](https://openairdocs.org/faa-owner/MAGNUM%20AVIATION%20LLC), [Goff, KS](https://openairdocs.org/faa-place/KS/Goff), S/N 2929
- [N2918W](https://openairdocs.org/aircraft/N2918W): [Scotts Helicopter Service Inc](https://openairdocs.org/faa-owner/SCOTTS%20HELICOPTER%20SERVICE%20INC), [Le Sueur, MN](https://openairdocs.org/faa-place/MN/Le%20Sueur), built 1971, S/N 6822
- [N302JP](https://openairdocs.org/aircraft/N302JP): [123 Investments LLC](https://openairdocs.org/faa-owner/123%20INVESTMENTS%20LLC), [Clare, MI](https://openairdocs.org/faa-place/MI/Clare), S/N 3582
- [N3065G](https://openairdocs.org/aircraft/N3065G): [Lombardo James](https://openairdocs.org/faa-owner/LOMBARDO%20JAMES), [Olympia, WA](https://openairdocs.org/faa-place/WA/Olympia), built 1964, S/N 2913
- [N3079G](https://openairdocs.org/aircraft/N3079G): [Nockair Helicopters Inc](https://openairdocs.org/faa-owner/NOCKAIR%20HELICOPTERS%20INC), [Longboat Key, FL](https://openairdocs.org/faa-place/FL/Longboat%20Key), built 1964, S/N 2921
- [N3080G](https://openairdocs.org/aircraft/N3080G): [Bouchard Gerald K](https://openairdocs.org/faa-owner/BOUCHARD%20GERALD%20K), [Stacyville, ME](https://openairdocs.org/faa-place/ME/Stacyville), S/N 2923
- [N347BH](https://openairdocs.org/aircraft/N347BH): [Gonzalez Richard](https://openairdocs.org/faa-owner/GONZALEZ%20RICHARD), [Seffner, FL](https://openairdocs.org/faa-place/FL/Seffner), built 1962, S/N 2771
- [N35134](https://openairdocs.org/aircraft/N35134): [Scibelli Daniel A](https://openairdocs.org/faa-owner/SCIBELLI%20DANIEL%20A), [Southwick, MA](https://openairdocs.org/faa-place/MA/Southwick), S/N 3591
- [N360SS](https://openairdocs.org/aircraft/N360SS): [County Line Helicopter Inc](https://openairdocs.org/faa-owner/COUNTY%20LINE%20HELICOPTER%20INC), [Nehawka, NE](https://openairdocs.org/faa-place/NE/Nehawka), S/N 3696
- [N4017G](https://openairdocs.org/aircraft/N4017G): [Hjertager Harold D](https://openairdocs.org/faa-owner/HJERTAGER%20HAROLD%20D), [Anderson, CA](https://openairdocs.org/faa-place/CA/Anderson), built 1968, S/N 6677
- [N4029G](https://openairdocs.org/aircraft/N4029G): [Wildhorse Helicopters Inc](https://openairdocs.org/faa-owner/WILDHORSE%20HELICOPTERS%20INC), [Pendleton, OR](https://openairdocs.org/faa-place/OR/Pendleton), built 1968, S/N 6700
- [N4074G](https://openairdocs.org/aircraft/N4074G): [Classic Rotors Museum](https://openairdocs.org/faa-owner/CLASSIC%20ROTORS%20MUSEUM), [Ramona, CA](https://openairdocs.org/faa-place/CA/Ramona), S/N 6704
- [N4077](https://openairdocs.org/aircraft/N4077): [Cavanaugh Flight Museum](https://openairdocs.org/faa-owner/CAVANAUGH%20FLIGHT%20MUSEUM), [Denison, TX](https://openairdocs.org/faa-place/TX/Denison), built 1965, S/N 3473
- [N44MA](https://openairdocs.org/aircraft/N44MA): [Pacific Mission Aviation](https://openairdocs.org/faa-owner/PACIFIC%20MISSION%20AVIATION), [Hagatna, GU](https://openairdocs.org/faa-place/GU/Hagatna), S/N LD-412
- [N44SG](https://openairdocs.org/aircraft/N44SG): [Staten Island Helicopters Inc](https://openairdocs.org/faa-owner/STATEN%20ISLAND%20HELICOPTERS%20INC), [Staten Island, NY](https://openairdocs.org/faa-place/NY/Staten%20Island), built 1965, S/N 2945
- [N47038](https://openairdocs.org/aircraft/N47038): [Harker Rulon](https://openairdocs.org/faa-owner/HARKER%20RULON), [Enterprise, UT](https://openairdocs.org/faa-place/UT/Enterprise), built 1968, S/N 3827
- [N4733R](https://openairdocs.org/aircraft/N4733R): [Backwoods Construction Inc](https://openairdocs.org/faa-owner/BACKWOODS%20CONSTRUCTION%20INC), [Montrose, CO](https://openairdocs.org/faa-place/CO/Montrose), S/N 6722
- [N473TT](https://openairdocs.org/aircraft/N473TT): [Jj Aviation LLC](https://openairdocs.org/faa-owner/JJ%20AVIATION%20LLC), [Missoula, MT](https://openairdocs.org/faa-place/MT/Missoula), built 1968, S/N 3730
- [N4757R](https://openairdocs.org/aircraft/N4757R): [Scotts Helicopter Service](https://openairdocs.org/faa-owner/SCOTTS%20HELICOPTER%20SERVICE), [Le Sueur, MN](https://openairdocs.org/faa-place/MN/Le%20Sueur), built 1969, S/N 6726
- [N4759R](https://openairdocs.org/aircraft/N4759R): [Peak Performance Helicopters LLC](https://openairdocs.org/faa-owner/PEAK%20PERFORMANCE%20HELICOPTERS%20LLC), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), S/N 6728
- [N47AH](https://openairdocs.org/aircraft/N47AH): [Scotts Helicopter Services Inc](https://openairdocs.org/faa-owner/SCOTTS%20HELICOPTER%20SERVICES%20INC), [Le Sueur, MN](https://openairdocs.org/faa-place/MN/Le%20Sueur), built 1961, S/N 2645
- [N47JA](https://openairdocs.org/aircraft/N47JA): [Gws Holdings LLC](https://openairdocs.org/faa-owner/GWS%20HOLDINGS%20LLC), [Mount Vernon, IA](https://openairdocs.org/faa-place/IA/Mount%20Vernon), built 1966, S/N 3580
- [N47PD](https://openairdocs.org/aircraft/N47PD): [Guardian Helicopters Inc](https://openairdocs.org/faa-owner/GUARDIAN%20HELICOPTERS%20INC), [Fillmore, CA](https://openairdocs.org/faa-place/CA/Fillmore), S/N 6610
- [N47VV](https://openairdocs.org/aircraft/N47VV): [Worthett LLC](https://openairdocs.org/faa-owner/WORTHETT%20LLC), [Englewood, CO](https://openairdocs.org/faa-place/CO/Englewood), built 1967, S/N 6604
- [N48020](https://openairdocs.org/aircraft/N48020): [Ugalde Chester M](https://openairdocs.org/faa-owner/UGALDE%20CHESTER%20M), [Fallon, NV](https://openairdocs.org/faa-place/NV/Fallon), built 1967, S/N 2812
- [N48131](https://openairdocs.org/aircraft/N48131): [Zimpel Kurt S](https://openairdocs.org/faa-owner/ZIMPEL%20KURT%20S), [Hinckley, MN](https://openairdocs.org/faa-place/MN/Hinckley), built 1967, S/N 3641

All 88: https://openairdocs.org/engine/lycoming-tvo-435-gia/aircraft.md

## NTSB investigations (286, newest 50)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ERA26LA100](https://openairdocs.org/ntsb/ERA26LA100), Jan 29, 2026: Bell 47G-3B (N347BH), Floral City, FL, destroyed. Probable cause: The student pilot’s loss of helicopter control during landing.
- [NTSB ANC24LA065](https://openairdocs.org/ntsb/ANC24LA065), Jul 12, 2024: Beech 65-B80 (N44MA), Woleai Atoll, Micronesia, substantial damage. Probable cause: The pilot's selection of an unsuitable takeoff area, resulting in a loss of directional control. Contributing to the accident was a flooded runway.
- [NTSB ERA20LA216](https://openairdocs.org/ntsb/ERA20LA216), Jun 15, 2020: Bell 47G (N473TT), Atoka, TN, substantial damage. Probable cause: 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 WPR19LA019](https://openairdocs.org/ntsb/WPR19LA019), Nov 2, 2018: Bell 47G (N1159W), Wichita Falls, TX, destroyed. Probable cause: A total loss of engine power for reasons that could not be determined based on the available information.
- [NTSB CEN18LA306](https://openairdocs.org/ntsb/CEN18LA306), Aug 2, 2018: Bell 47G 3B (N347BH), Custer, SD, substantial damage. Probable cause: The pilot’s mismanagement of rotor RPM and subsequent forced landing on uneven terrain which led to a dynamic rollover.
- [NTSB CEN18LA269](https://openairdocs.org/ntsb/CEN18LA269), Jul 15, 2018: Bell 47J (N8568F), Franklin, IN, destroyed. Probable cause: A total loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB GAA17CA436](https://openairdocs.org/ntsb/GAA17CA436), Jul 24, 2017: Bell 47G 3B (N47AH), Toterville, IA, substantial damage. Probable cause: The pilot’s failure to maintain rotor rpm while maneuvering at low altitude with low airspeed and a tailwind.
- [NTSB WPR16LA069](https://openairdocs.org/ntsb/WPR16LA069), Feb 13, 2016: Bell 47G 3B 1 (N1181W), Carson City, NV, substantial damage. Probable cause: The pilot's failure to maintain sufficient main rotor rpm, which resulted in a loss of helicopter control and a dynamic rollover.
- [NTSB GAA16CA055](https://openairdocs.org/ntsb/GAA16CA055), Oct 18, 2015: Bell 47G (N73224), Searchlight, NV, substantial damage. Probable cause: The pilot's failure to maintain adequate clearance from a tree during hover flight.
- [NTSB CEN14LA174](https://openairdocs.org/ntsb/CEN14LA174), Mar 30, 2014: Bell 47G 3B (N147WT), Oglesby, TX, substantial damage. Probable cause: 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…
- [NTSB CEN13LA395](https://openairdocs.org/ntsb/CEN13LA395), Jul 6, 2013: Bell 47G-3B-1 (N7924S), Plover, WI, substantial damage. Probable cause: 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), Jun 19, 2013: Bell 47G-3B-1 (N5024N), Maplewood, MN, destroyed, 1 fatal. Probable cause: 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…
- [NTSB CEN12CA435](https://openairdocs.org/ntsb/CEN12CA435), Jul 9, 2012: Bell 47G-3B-2 (N2919W), Treynor, IA, substantial damage. Probable cause: The pilot’s improper fuel management, which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB CHI08CA254](https://openairdocs.org/ntsb/CHI08CA254), Aug 14, 2008: Bell 47G-3B (N47AH), Kenyon, MN, substantial damage. Probable cause: The pilot's inadequate preflight planning which resulted in the helicopter settling with power.
- [NTSB CHI08CA210](https://openairdocs.org/ntsb/CHI08CA210), Jul 24, 2008: Bell 47G-3B-2 (N4029G), Lafetyette, IN, substantial damage. Probable cause: The loss of engine power during an aerial application flight due to a fatigue fracture of the carburetor heat control valve spring and the inadequate maintenance inspection by the pilot/mechanic. An…
- [NTSB LAX08CA229](https://openairdocs.org/ntsb/LAX08CA229), Jul 15, 2008: Bell 47G-3B-1 (N1390X), Shafter, CA, substantial damage. Probable cause: 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…
- [NTSB CHI08CA192](https://openairdocs.org/ntsb/CHI08CA192), Jul 11, 2008: Bell 47G-3B (N73995), Port Edwards, WI, substantial damage. Probable cause: The pilot failed to maintain control of the helicopter when he inadvertently flared the helicopter and the rotor rpm decayed as a result of sustaining bee stings during an aerial application flight.…
- [NTSB LAX08LA097](https://openairdocs.org/ntsb/LAX08LA097), Apr 11, 2008: Bell 47G-3B-1 (N24SD), Denio, NV, substantial damage. Probable cause: 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), Sep 12, 2007: Bell 47G-3B-1 (N360SS), Avondale, CO, substantial damage. Probable cause: The pilot's failure to attain translational lift and his improper flare. A contributing factor in this accident was the sudden wind shift.
- [NTSB DFW06CA055](https://openairdocs.org/ntsb/DFW06CA055), Jan 13, 2006: Bell 47-B3 (N1575), Dennison, TX, substantial damage. Probable cause: The in-flight separation of the stabilizer bar tube.
- [NTSB DEN05LA137](https://openairdocs.org/ntsb/DEN05LA137), Sep 13, 2005: Bell 47G-3B-1 (N24SD), Rock Springs, WY, substantial damage. Probable cause: 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 DFW05CA231](https://openairdocs.org/ntsb/DFW05CA231), Aug 16, 2005: Bell 47 (N8494E), Monette, AR, destroyed. Probable cause: The loss of control as result of a loss of hydraulic pressure for undetermined reasons.
- [NTSB SEA05CA122](https://openairdocs.org/ntsb/SEA05CA122), Jun 19, 2005: Bell 47G-3B-1 (N8554F), Brewster, WA, substantial damage. Probable cause: The pilot's inadvertent anti-torque pedal input, which resulted in a loss of control and collision with trees while hovering.
- [NTSB SEA04LA114](https://openairdocs.org/ntsb/SEA04LA114), Jun 23, 2004: Bell 47G-3B-1 (N73909), Medford, OR, substantial damage. Probable cause: The pilot's failure to maintain clearance from a tree while maneuvering. Trees were a factor.
- [NTSB LAX04CA121](https://openairdocs.org/ntsb/LAX04CA121), Feb 11, 2004: Bell 47-G3B2 (N8AG), Salome, AZ, substantial damage. Probable cause: the pilot's failure to maintain an adequate clearance from trees while approaching the landing zone.
- [NTSB SEA03LA189](https://openairdocs.org/ntsb/SEA03LA189), Sep 12, 2003: Bell 47G-3B-1 (N48020), Diamond, OR, substantial damage. Probable cause: Loss of engine power for undetermined reasons during hover.
- [NTSB IAD03LA042](https://openairdocs.org/ntsb/IAD03LA042), Mar 27, 2003: Bell BHT-47-G3B2A (N47SN), Lexington, KY, substantial damage. Probable cause: The pilot's failure to maintain directional control while maneuvering to land after a loss of engine power. A factor was the loss of engine power.
- [NTSB SEA03LA023](https://openairdocs.org/ntsb/SEA03LA023), Jan 2, 2003: Bell 47G (N4759R), Idaho Falls, ID, substantial damage. Probable cause: In-flight loss of engine power for undetermined reasons.
- [NTSB LAX03TA043](https://openairdocs.org/ntsb/LAX03TA043), Dec 1, 2002: Bell 47G-3B-1 (N48020), Panaca, NV, substantial damage. Probable cause: 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 FTW01LA087](https://openairdocs.org/ntsb/FTW01LA087), Mar 22, 2001: Bell 47G2 (N1575), Ardmore, OK, substantial damage. Probable cause: the loss of tail rotor control during maneuvering resultant from the failure of the tail rotor drive shaft coupling due to a stripped thread which allowed the grease lubricating the shaft to leak…
- [NTSB ATL00LA086](https://openairdocs.org/ntsb/ATL00LA086), Sep 9, 2000: Bell 47G-3B-2 (N2243W), Pine Hill, AL, substantial damage. Probable cause: The pilot's failure to adequately preflight the helicopter, which resulted in his failure to remove the tie down.
- [NTSB SEA00LA124](https://openairdocs.org/ntsb/SEA00LA124), Jul 4, 2000: Bell 47G (N30DP), Haines, OR, substantial damage. Probable cause: 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…
- [NTSB SEA00FA061](https://openairdocs.org/ntsb/SEA00FA061), Apr 2, 2000: Bell 47G-3B-1 (N3377H), Stanwood, WA, destroyed, 1 fatal. Probable cause: 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…
- [NTSB DEN99LA168](https://openairdocs.org/ntsb/DEN99LA168), Sep 23, 1999: Bell 47G3B2A (N83246), Tremonton, UT, substantial damage. Probable cause: The pilot's failure to maintain rotor rpm while attempting a precautionary autorotation landing. A factor was the loss of engine power for undetermined reasons.
- [NTSB MIA99LA217](https://openairdocs.org/ntsb/MIA99LA217), Aug 8, 1999: Bell 47G-B3 (N6712D), Selma, AL, substantial damage. Probable cause: The pilot's failure to maintain the proper touchdown point during landing causing the landing skid to become entangled with the edge of the helipad platform and the resultant rollover and main rotor…
- [NTSB ATL99LA105](https://openairdocs.org/ntsb/ATL99LA105), Jul 2, 1999: Bell 47 (N23590), Trenton, GA, substantial damage. Probable cause: The loss of main rotor rpm due to improper use of the flight controls by the pilot. Factors were the tailwind and trees.
- [NTSB SEA99LA098](https://openairdocs.org/ntsb/SEA99LA098), Jun 10, 1999: Bell 47G3B2A (N24MP), Pendleton, OR, substantial damage. Probable cause: A fouled external load cable, and the pilot's operation of the helicopter with a non-approved external bucket installation, resulting in misrouted hydraulic lines and consequent malfunction of the…
- [NTSB FTW98LA400](https://openairdocs.org/ntsb/FTW98LA400), Sep 17, 1998: Bell 47-G-2 (N1575), Ardmore, OK, substantial damage. Probable cause: The pilots failure to maintain clearance with terrain and the ensuing loss of control.
- [NTSB CHI98LA198](https://openairdocs.org/ntsb/CHI98LA198), Jun 10, 1998: Bell 47G (N73284), Le Center, MN, destroyed. Probable cause: the pilot's failure to maintain clearance with the wire. A factor associated with the accident was the wire which the helicopter contacted.
- [NTSB SEA98LA069](https://openairdocs.org/ntsb/SEA98LA069), May 3, 1998: Bell 47G3B2A (N7965J), Stanwood, WA, substantial damage. Probable cause: The failure of the number two connecting rod, which led to additional internal engine damage and a complete loss of power. Factors include soft terrain in the area where the pilot found it necessary…
- [NTSB FTW98GA097](https://openairdocs.org/ntsb/FTW98GA097), Jan 14, 1998: Bell 47G-3B-2 (N1461W), Spanish Fork, UT, substantial damage, 1 fatal. Probable cause: A total loss of power due to repeated engine overspeeds. A related factor was unsuitable terrain.
- [NTSB SEA98LA006](https://openairdocs.org/ntsb/SEA98LA006), Oct 19, 1997: Bell 47-G3B (N47AH), Winston, MT, substantial damage. Probable cause: Fuel starvation due to fuel flow restriction from a failed carburetor automatic mixture control device. Factors include night light conditions for the forced landing.
- [NTSB FTW97LA319](https://openairdocs.org/ntsb/FTW97LA319), Aug 19, 1997: Bell 47G-3B-2 (N2243W), Montrose, CO, substantial damage. Probable cause: failure of the flight instructor (CFI) to properly supervise the flight and ensure that adequate rotor rpm was maintainted during the autorotation/landing. The high density altitude was a related…
- [NTSB IAD97LA104](https://openairdocs.org/ntsb/IAD97LA104), Jul 26, 1997: Bell 47G-3B-1 (N35134), Mt. Vernon, OH, substantial damage. Probable cause: The pilot's failure to maintain rotor RPM.
- [NTSB SEA97LA168](https://openairdocs.org/ntsb/SEA97LA168), Jul 14, 1997: Bell 47G-3B (N8494E), Idaho Falls, ID, substantial damage. Probable cause: The pilot mismanaged his fuel supply which led to fuel exhaustion and subsequent loss of engine power. Factors contributing to the accident were the lack of adequate altitude and airspeed to…
- [NTSB SEA97LA158](https://openairdocs.org/ntsb/SEA97LA158), Jul 5, 1997: Bell 47G-3B-1 (N8537F), Roosevelt, UT, substantial damage. Probable cause: the pilot's failure to maintain directional control. Wind gusts were a factor.
- [NTSB LAX97TA213](https://openairdocs.org/ntsb/LAX97TA213), Jun 16, 1997: Bell 47G-3B-1 (N1335X), Fallon, NV, substantial damage. Probable cause: 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…
- [NTSB SEA97LA112](https://openairdocs.org/ntsb/SEA97LA112), May 15, 1997: Bell 47G-3B (N8491E), Snohomish, WA, substantial damage. Probable cause: the pilot's encounter with of a loss of tail rotor effectiveness (LTE) situation, and his subsequent inadequate remedial action. Related factors included: wind conditions that were conducive to an…
- [NTSB MIA96LA235](https://openairdocs.org/ntsb/MIA96LA235), Sep 29, 1996: Bell 47G-3B-1 (N1397X), Borinquen, PR, substantial damage. Probable cause: 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), Sep 10, 1996: Bell 47G-3B-1 (N1335X), Rangely, CO, substantial damage. Probable cause: 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…

All 286: https://openairdocs.org/engine/lycoming-tvo-435-gia/ntsb.md

## FAA accident and incident reports (203, newest 50)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20240711014619A](https://openairdocs.org/incident/20240711014619A), Jul 11, 2024: Beech 65-B80 (N44MA), Woleai, Substantial damage. Pilot performed a short field takeoff and accelerated the airplane to approximately 60MPH upon reaching the low spot of the runway. As the nose wheel hit the…
- [Accident 20200613009969A](https://openairdocs.org/incident/20200613009969A), Jun 13, 2020: Bell 47G-3B-1 (N473TT), Atoka, TN, Substantial damage. On June 14th 2020 helicopter N473TT conducted a part 91 flight. The PIC was [privacy data omitted] and there were two passengers on board. Within 2 miles of…
- [Accident 20181102023229A](https://openairdocs.org/incident/20181102023229A), Nov 2, 2018: Bell 47G-3B-1 (N1159W), Iowa Park, TX, Destroyed. The pilot preflighted the helicopter on Friday morning before flying it 65 NM from his home to F14, about a 20 minute flight. He landed and meet with his CFI.…
- [Accident 20180802009539A](https://openairdocs.org/incident/20180802009539A), Aug 2, 2018: Bell 47G-3B (N347BH), Substantial damage. On 08/02/2018 approximatly 0830 a helicopter registered to dakota rotors LLC landed on uneven terrian after the pilot stated the RPM dropped and was unable to…
- [Accident 20180715011229A](https://openairdocs.org/incident/20180715011229A), Jul 15, 2018: Bell 47J-2A (N8568F), Franklin, IN, Destroyed. The conditions were VFR. The pilot was Flying in a northerly direction at 50 feet altitude adjacent to runway 21. At the north end of runway 21 the pilot…
- [Accident 20170724020609A](https://openairdocs.org/incident/20170724020609A), Jul 24, 2017: Bell 47G-3B (N47AH), Toeterville, IA, Substantial damage. While performing agricultural spray operations five miles west of stacyville, IA. The pilot failed to maintain sufficient rotor prm to arrest his descent from…
- [Accident 20160213008159A](https://openairdocs.org/incident/20160213008159A), Feb 13, 2016: Bell 47G-3B-1 (N1181W), Carson, NV, Substantial damage. PIC lost control when approaching a hover. PIC stated that the rotor RPM was lower than normal and PIC stated he was unable to increase rpm's with throttle…
- [Accident 20151016019339A](https://openairdocs.org/incident/20151016019339A), Oct 16, 2015: Bell 47G-3B (N73224), Searchlight, NV, Minor damage. Helicopter was operated low level to herd cattle. The tail rotor struck a joshua tree, landed and rolled over on its left side. The pilot was the sole…
- [Accident 20140330004939A](https://openairdocs.org/incident/20140330004939A), Mar 30, 2014: Bell 47G-3B-1 (N147WT), Oglesby, TX, Substantial damage. Pilot experienced throttle problems while flying and decided to return to his base of operations. Pilot lost throttle control of aircraft followed by an…
- [Accident 20130706011269A](https://openairdocs.org/incident/20130706011269A), Jul 6, 2013: Bell 47G-3B-1 (N7924S), Plover, WI, Substantial damage. On 7/6/13 at approximately 1110 central time (1610Z) N7924S, a Bell 47 helicopter piloted by [privacy data omitted] was involved in an accident 3 miles sw of…
- [Accident 20130619010449A](https://openairdocs.org/incident/20130619010449A), Jun 19, 2013: Bell 47G-3B-1 (N5024N), Maplewood, MN, Destroyed, 1 fatal. Aerial application helicopter crashed into garage in residential area and was completely destroyed and fatally injured the pilot.
- [Accident 20120709012379A](https://openairdocs.org/incident/20120709012379A), Jul 9, 2012: Bell 47G-3B-2 (N2919W), Treynor, IA, Substantial damage. As stated by the pilot, during aerial application while traveling north the aircraft momentarily torqued left and a warning light quickly flashed. A check of…
- [Accident 20080814844439A](https://openairdocs.org/incident/20080814844439A), Aug 14, 2008: Bell 47G3B (N47AH), Kenyon, MN, Substantial damage. (-23) Pilot was performing aerial pesticide application in a Bell 47. He was about to begin his 8th field that day. The helicopter was positioned on a flatbed…
- [Accident 20080724843519A](https://openairdocs.org/incident/20080724843519A), Jul 24, 2008: Bell 47G3B2 (N4029G), Lafayette, IN, Substantial damage. (-23) On July 24,2008, at approximately 1200 EDT, while operating his Bell 47G3B2, N4029G, [privacy data omitted] executed an emergency landing in a cornfield…
- [Accident 20080714840859A](https://openairdocs.org/incident/20080714840859A), Jul 14, 2008: Bell 47G3B1 (N1390X), Shafter, CA, Destroyed. (-23) During agricultural operathions N1390XP was attempting to spray a field at night, when the aircraft suffered an electrical failure, causing the…
- [Accident 20080711841829A](https://openairdocs.org/incident/20080711841829A), Jul 11, 2008: Bell 47G3B (N73995), Wisconsin Rapi, WI, Substantial damage. (-23) While performing aerial application of a cranberry bog, bee's entered the cockpit stinging pilot numerous times. This caused the pilot to loose control…
- [Accident 20080411836879A](https://openairdocs.org/incident/20080411836879A), Apr 11, 2008: Bell 47 (N24SD), Dinio, NV, Substantial damage. (-23) Accident occurred on a predator eradication flight (coyote). After culling a coyote they returned to the carcass to determine status of same when at…
- [Accident 20070912021869A](https://openairdocs.org/incident/20070912021869A), Sep 12, 2007: Bell 47G3B1 (N360SS), Pueblo, CO, Substantial damage. (-23) According to the pilot in command he was conducting agricultural aircraft operations, 12 se of kpub. He moved his lz to an area in a canyon. His first…
- [Accident 20060113000989A](https://openairdocs.org/incident/20060113000989A), Jan 13, 2006: Bell 47B3 (N1575), Denison, TX, Substantial damage. (-23) Inspector [privacy data omitted] and I responded to an accident involving N1575, a Bell 47 helicopter in Denison Texas. We arrived to the scene at…
- [Accident 20050913020519A](https://openairdocs.org/incident/20050913020519A), Sep 13, 2005: Bell 47G3B1 (N24SD), Rock Springs, WY, Substantial damage. (-23) Inspection of the aircraft revealed that the upper planetary gear in the transmission failed, this caused an engine overspeed and emergency landing.…
- [Accident 20050819020729A](https://openairdocs.org/incident/20050819020729A), Aug 19, 2005: Bell 47G3B (N8494E), Monet, AR, Destroyed. (-23) On August 19, 2005, at 1500 central daylight time, a Bell 47, an agricultural helicopter, N8494E, was destroyed during liftoff following a fire near…
- [Accident 20050619014059A](https://openairdocs.org/incident/20050619014059A), Jun 19, 2005: Bell 47G3B1 (N8554F), Brewster, WA, Destroyed. (-23) The pilot [privacy data omitted] was drying cherries near Brewster, WA and his right foot slipped off the right anti torque pedal resulting in a loss of…
- [Accident 20040623012469A](https://openairdocs.org/incident/20040623012469A), Jun 23, 2004: Bell 47G3B1 (N73909), Medford, OR, Substantial damage. (-23) Pilot stated he was making his last spray run when he thought his rotor blade struck a dead tree. Helicopter started vibrating. Pilot said he then dumped…
- [Accident 20040211007429A](https://openairdocs.org/incident/20040211007429A), Feb 11, 2004: Bell 47G3B2 (N8AG), Quartzite, AZ, Substantial damage. (-23) During an approach to a landing site off airport for refueling, the helicopter was overtaken by gusty winds. The tail struck the ground which caused a…
- [Accident 20030912023029A](https://openairdocs.org/incident/20030912023029A), Sep 12, 2003: Bell 47G3B1 (N48020), Diamond, OR, Substantial damage. (-23) While herding wild horses with his helicopter, pilot went into a hover at about 40 feet above the ground. All of a sudden the engine wound up to a high…
- [Accident 20030327003279A](https://openairdocs.org/incident/20030327003279A), Mar 27, 2003: Bell 47G3B2A (N47SN), Lexington, KY, Substantial damage. (-23) On March 27, 2003, a Bell 47G-B3-2A received substantial damage resulting from an apparent loss of directional control and subsequent main rotor ground…
- [Accident 20030102000079A](https://openairdocs.org/incident/20030102000079A), Jan 2, 2003: Bell 47G3B2 (N4759R), Idahofalls, ID, Substantial damage. (-23) Aircraft was preheated for approx. 40 minutes, uncovered and started and ground run for approx. 10-15 minutes prior to takeoff. Pilot departed landing…
- [Accident 20021201031599A](https://openairdocs.org/incident/20021201031599A), Dec 1, 2002: Bell 47G3B1 (N48020), Panaca, NV, Substantial damage. (-23) While herding wild horses engine lost power at approximately 35 feet AGL in a left turn. Aircraft contacted terrain in a heels low attitude causing the…
- [Accident 20010321004619A](https://openairdocs.org/incident/20010321004619A), Mar 21, 2001: Bell 47B3 (N1575), Ardmore, OK, Substantial damage. (-23) Tail rotor drive failure. Failure of the shaft assemby, p/n 47-644-180-9, fig 46-1 and coupling p/n 47-644-130-13, fig 46-4, due to loss of lubrication.…
- [Incident 20001219032869I](https://openairdocs.org/incident/20001219032869I), Dec 19, 2000: Bell 47G3B1 (N48020), Garrison, UT, Minor damage. (-23) While herding horses on a 14 CFR 91 blm contract, approximately 30 miles south of Garrison, Utah, engine decoupled from transmission. The sole occupant…
- [Accident 20000909005949A](https://openairdocs.org/incident/20000909005949A), Sep 9, 2000: Bell 47G3B2 (N2243W), Pinehill, AL, Destroyed. (-23) Pilot was interrupted by customer while untying straps securing helicopter to transport trailer during relocation. He had untied three of four straps and…
- [Accident 20000704006959A](https://openairdocs.org/incident/20000704006959A), Jul 4, 2000: Bell 47G3B1 (N30DP), Haines, OR, No damage. (-23) The pilot settled with power while spraying a potato field. The aircraft impacted with the ground and rolled three times. The helicopter was destroyed…
- [Accident 20000402007609A](https://openairdocs.org/incident/20000402007609A), Apr 2, 2000: Bell 47G3B1 (N3377H), Stanwood, WA, No damage. (-23) During curise flight the clutch slipped causing the engine to overspeed and the rotor RPM to decay. In the ensuing autorotation to landing in an open…
- [Accident 19990923027879A](https://openairdocs.org/incident/19990923027879A), Sep 23, 1999: Bell 47G3B2A (N83246), Tremonton, UT, Substantial damage. (.19) On September 23, 1999, approx. 0900 mountain daylight time, a Bell 47G3B2A helicopter, N83246, registered to and operated by the pilot, was substantially…
- [Accident 19990808011249A](https://openairdocs.org/incident/19990808011249A), Aug 8, 1999: Bell 47G3B (N6712D), Selma, AL, Substantial damage. 1957 Bell 47G-3B helicopter was attempting to land on a trailer, one skid did not get onto the trailer, and the acft flipped over. (.4)after a test flight…
- [Accident 19990702008149A](https://openairdocs.org/incident/19990702008149A), Jul 2, 1999: N23590, Trenton, GA, Substantial damage. 1965 Bell TH-13T helicopter was involved in aerial application when it crashed in the woods under unknown circumstances and sustained substantial damage. (-23)…
- [Accident 19990610007919A](https://openairdocs.org/incident/19990610007919A), Jun 10, 1999: Bell 47G3B2A (N24MP), Pendleton, OR, Substantial damage. 1972 Bell BH-47-G3B2A helicopter was performing aerial application operations with a bucket attached when the lines became caught in ground equipment, and the…
- [Accident 19980917024909A](https://openairdocs.org/incident/19980917024909A), Sep 17, 1998: Bell 47G2 (N1575), Ardmore, OK, Substantial damage. (.4) On September 17, 1998, at 0915 central daylight time, a Bell 47-G-2 helicopter, N1575, was substantially damaged following a loss of control while…
- [Accident 19980610020299A](https://openairdocs.org/incident/19980610020299A), Jun 10, 1998: Bell 47G3B1 (N73284), Lecenter, MN, Destroyed. During spray ops a skid caught on a power line. Cable wrapped around cockpit and rotor. Sheared tail. Hit a ditch.(.4) on June 10, 1998, at 1200 central…
- [Accident 19980503008229A](https://openairdocs.org/incident/19980503008229A), May 3, 1998: Bell 47G3B2A (N7965J), Stanwood, WA, Substantial damage. Sightseeing tours from Stanwood fairgrounds when the engine caught fire and the acft made an emerg landing. (.4)while reducing power in the initial climb in…
- [Accident 19980114000319A](https://openairdocs.org/incident/19980114000319A), Jan 14, 1998: Bell 47G3B2 (N1461W), Spanish Fork, UT, Substantial damage, 1 fatal. Coyote hunt flight for doa. During pullup heard clunk lost pitch roll and vertical contol. Impacted tail first. (.4)while maneuvering at low level during a…
- [Accident 19971018047319A](https://openairdocs.org/incident/19971018047319A), Oct 18, 1997: Bell 47G3B (N47AH), Winston, MT, Substantial damage. (-16) On October 18, 1997, at approximately 2130 MST, Bell helicopter N47AH, while on a routine flight, the pilot reported that the aircraft yawed slightly,…
- [Accident 19970819023179A](https://openairdocs.org/incident/19970819023179A), Aug 19, 1997: Bell 47G3B2 (N2243W), Montrose, CO, Substantial damage. Helicopter was attempting a rotation and made a hard landing.
- [Accident 19970726025799A](https://openairdocs.org/incident/19970726025799A), Jul 26, 1997: Bell 47G3B1 (N35134), Mt Vernon, OH, Substantial damage. Lost power on climbout. Turned back to land. During landing main rotors hit tailboom. Indicates hard landing. (-23) the pilot stated that on July 26, 1997, at…
- [Accident 19970714018379A](https://openairdocs.org/incident/19970714018379A), Jul 14, 1997: Bell 47G3B (N8494E), Idaho Falls, ID, No damage. Crashed on aierial application.
- [Accident 19970705017029A](https://openairdocs.org/incident/19970705017029A), Jul 5, 1997: Bell 47G3B1 (N8537F), Roosevelt, UT, Substantial damage. Trying to land at private helipad. Wind gust hit copter. Pilot pulled up. Entered loss tailrotor effectiveness.
- [Accident 19970616014299A](https://openairdocs.org/incident/19970616014299A), Jun 16, 1997: Bell 47G3B1 (N1335X), Fallon, NV, Substantial damage. Experienced engine failure while returning to base.
- [Accident 19970515010809A](https://openairdocs.org/incident/19970515010809A), May 15, 1997: Bell 47G3B (N8491E), Snohomish, WA, Substantial damage. (.4) The pilot was in a commercial helicopter pilot upgrade training program. He was not yet rated for helicopters, but did hold an instructor's endorsement…
- [Incident 19970301007279I](https://openairdocs.org/incident/19970301007279I), Mar 1, 1997: Bell 47J2A (N8568F), Marathon, FL. Narrative: helicopter departed with 2 passengers on sightseeing ride along Florida keys from Marathon, FL at 1520 EST 3/1/97. At approximatley 1550 EST, the…
- [Accident 19960929045529A](https://openairdocs.org/incident/19960929045529A), Sep 29, 1996: Bell 47G3B1 (N1397X), San Juan, Puerto Rico, Substantial damage. (.4) On September 29, 1996, about 1245 eastern daylight time, a Bell 47G-3B-1 helicopter, N1397X, registered to a private owner, operating as a title 14 CFR…

All 203: https://openairdocs.org/engine/lycoming-tvo-435-gia/incidents.md

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