Lycoming TVO-435-GIA
88 aircraft on the U.S. register carry a Lycoming TVO-435-GIA engine, rated at about 280 horsepower. The Bell 47 is the model most often fitted with it (85 aircraft). The aircraft carrying it were built between 1961 and 1981.
The FAA records engines by code, usually at the level of a series ("O-320 series") rather than the exact variant; this page gathers every FAA code that reads as Lycoming TVO-435-GIA. FAA spelling: TVO-435-GIA.
Fitted to model families
Bell 4785Beechcraft 651Bell TH-131Bell-Huddleston And Wilson 47G-3B11
Bell 47 · Beechcraft 65 · Bell TH-13 · Bell-Huddleston And Wilson 47G-3B1
Where they are owner's state
California10Florida8Oregon7Minnesota6Texas5Kansas5Montana4Michigan4Colorado4New York3
Kind of aircraft
Helicopters87 (99%)Piston twins1 (1%)
When the aircraft were built by decade
What the FAA has certified, ordered and been told about the Lycoming TVO-435-GIA the component layer
The design is held under 1 type certificate (1E13, held by Lycoming Engines). The FAA has issued 10 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 8 failure reports with the FAA since 1995, 8 of them in the last ten years.
FAA orders 10 airworthiness directives · newest first
2026-04-082026-04-11 · Engine (Reciprocating) · engine
2024-12-052024-21-02 · Engine (Reciprocating) · engine
2022-08-152022-16-03 · Engine (RECIPROCATING) · engine
2012-03-272012-03-07 · Carburetor · engine
2010-04-192010-07-08 · Turbochargers · engine
2004-06-252004-10-14 · Crankshaft gear · engine
Failure reports 8 since · what operators and shops told the FAA
Parts most often reported as the reports name them
Grip3Bearing1Cooling Fan1Crankcase1Magneto1Pitch Horn1
Latest reports
2005-09-03Grip: cracked
2001-12-15Magneto: damaged
2001-01-22Grip: cracked
1999-08-25Pitch Horn: loose
1997-11-08Cooling Fan: corroded
Certificates and bulletins
1E13Type certificate held by Lycoming Engines · 11 models listed · revised November 4, 2010
Safety bulletins 2 · advice, not orders
Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.
Connections how this engine series links to the rest of the register
Fitted to
- Bell 47 85 with this engine series
- Beechcraft 65 1 with this engine series
- Bell TH-13 1 with this engine series
Where they are
- California 10 of these aircraft
- Florida 8 of these aircraft
- Oregon 7 of these aircraft
- Minnesota 6 of these aircraft
- Texas 5 of these aircraft
Biggest operators
- Scotts Helicopter Services INC 2 of these aircraft
- Hendrickson Flying Service INC 2 of these aircraft
Airworthiness
- FAA orders naming the Lycoming TVO-435-GIA 10 airworthiness directives
- Failure reports on the Lycoming TVO-435-GIA 8 reports since 1995
Analytics
These connections as data: /graph/engine/lycoming-tvo-435-gia.json · about the eFlight graph.
Aircraft newest certificates first · 88
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N92NR | Bell 47G-3B |
Rotorcraft | Wtpi Services LLC Blue Mounds, Wisconsin |
Standard | 2026-06-08 | ValidFAA registration status code V: Valid registration. All codes |
| N530XH | Bell 47G-3B-1 |
Rotorcraft | Bhh Leasing #4 LLC Pensacola, Florida |
Restricted | 2026-05-22 | ValidFAA registration status code V: Valid registration. All codes |
| N8518Z | Bell-Huddleston And Wilson 47G-3B1 |
Rotorcraft | Individual owner Texas |
Experimental | 2026-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N4074G | Bell 47G-3B-2 |
Rotorcraft | Classic Rotors Museum Ramona, California |
Multiple | 2026-04-27 | ValidFAA registration status code V: Valid registration. All codes |
| N347BH | Bell 47G-3B |
Rotorcraft | Individual owner Florida |
Multiple | 2026-04-06 | ValidFAA registration status code V: Valid registration. All codes |
| N47VV | Bell 47G-3B-1 |
Rotorcraft | Worthett LLC Englewood, Colorado |
Standard | 2026-02-20 | ValidFAA registration status code V: Valid registration. All codes |
| N35134 | Bell 47G-3B-1 |
Rotorcraft | Individual owner Massachusetts |
Standard | 2026-02-17 | ValidFAA registration status code V: Valid registration. All codes |
| N147RW | Bell 47G-3B |
Rotorcraft | Individual owner Texas |
Standard | 2025-10-17 | ValidFAA registration status code V: Valid registration. All codes |
| N47038 | Bell 47G-3B-1 |
Rotorcraft | Individual owner Utah |
Restricted | 2025-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N4759R | Bell 47G-3B-2 |
Rotorcraft | Peak Performance Helicopters LLC Dover, Delaware |
Multiple | 2025-06-10 | ValidFAA registration status code V: Valid registration. All codes |
| N73936 | Bell 47G-3B-1 |
Rotorcraft | Individual owner California |
Multiple | 2025-03-09 | ValidFAA registration status code V: Valid registration. All codes |
| N15AR | Bell 47G-3B-1 |
Rotorcraft | Orbic INC Camarillo, California |
Standard | 2025-01-25 | ValidFAA registration status code V: Valid registration. All codes |
| N68645 | Bell 47G-3B-1 |
Rotorcraft | Advantage Helicopters LLC White River, South Dakota |
Multiple | 2024-11-18 | ValidFAA registration status code V: Valid registration. All codes |
| N7928S | Bell 47G-3B-1 |
Rotorcraft | Gardenville Project LLC Watkins, Colorado |
Experimental | 2024-11-12 | ValidFAA registration status code V: Valid registration. All codes |
| N73903 | Bell 47G-3B-1 |
Rotorcraft | Individual owner Alaska |
Multiple | 2024-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N83111 | Bell 47G3B2A |
Rotorcraft | Individual owner Alaska |
Restricted | 2024-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N8509F | Bell 47G-3B-1 |
Rotorcraft | Individual owner Alaska |
Standard | 2024-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N828JL | Bell 47G-3B-2 |
Rotorcraft | Individual owner California |
Standard | 2024-09-06 | ValidFAA registration status code V: Valid registration. All codes |
| N473TT | Bell 47G-3B-1 |
Rotorcraft | Jj Aviation LLC Missoula, Montana |
Multiple | 2024-05-11 | ValidFAA registration status code V: Valid registration. All codes |
| N1390X | Bell 47G-3B-1 |
Rotorcraft | Cai Tech LLC Greenwood, Delaware |
Restricted | 2024-03-13 | ValidFAA registration status code V: Valid registration. All codes |
| N3080G | Bell 47G-3B-1 |
Rotorcraft | Co-owned owner Maine |
Standard | 2024-02-19 | ValidFAA registration status code V: Valid registration. All codes |
| N716WC | Bell 47G-3B-1 |
Rotorcraft | N716Wc LLC Greenwood Village, Colorado |
Standard | 2024-01-23 | ValidFAA registration status code V: Valid registration. All codes |
| N7862S | Bell 47G-3B-1 |
Rotorcraft | Timeless Air Classics LLC Kalispell, Montana |
Multiple | 2024-01-17 | ValidFAA registration status code V: Valid registration. All codes |
| N11102 | Bell 47G-3B-1 |
Rotorcraft | Fly Right Aviation LLC Anderson, South Carolina |
Standard | 2024-01-06 | ValidFAA registration status code V: Valid registration. All codes |
| N60022 | Bell 47G-3B-1 |
Rotorcraft | Individual owner Washington |
Restricted | 2023-11-20 | ValidFAA registration status code V: Valid registration. All codes |
| N61SD | Bell 47G-3B-1 |
Rotorcraft | Individual owner Texas |
Standard | 2023-10-16 | ValidFAA registration status code V: Valid registration. All codes |
| N302JP | Bell 47G-3B-1 |
Rotorcraft | 123 Investments LLC Clare, Michigan |
Standard | 2023-05-10 | ValidFAA registration status code V: Valid registration. All codes |
| N25SD | Bell 47G-3B-1 |
Rotorcraft | Argosy Venture CORP Santa Fe, New Mexico |
Standard | 2023-02-18 | ValidFAA registration status code V: Valid registration. All codes |
| N4733R | Bell 47G-3B-2 |
Rotorcraft | Backwoods Construction INC Montrose, Colorado |
Standard | 2022-11-11 | ValidFAA registration status code V: Valid registration. All codes |
| N47JA | Bell 47G-3B-1 |
Rotorcraft | Gws Holdings LLC Mount Vernon, Iowa |
Standard | 2022-09-10 | ValidFAA registration status code V: Valid registration. All codes |
| N360SS | Bell 47G-3B-1 |
Rotorcraft | County Line Helicopter INC Nehawka, Nebraska |
Standard | 2022-08-08 | ValidFAA registration status code V: Valid registration. All codes |
| N1397X | Bell 47G-3B-1 |
Rotorcraft | Aerial Patrol Resource LLC Jerusalem, Ohio |
Standard | 2022-05-14 | ValidFAA registration status code V: Valid registration. All codes |
| N3065G | Bell 47G-3B-1 |
Rotorcraft | Individual owner Washington |
Standard | 2022-02-17 | ValidFAA registration status code V: Valid registration. All codes |
| N10DP | Bell 47G-3B-2 |
Rotorcraft | Individual owner South Dakota |
Standard | 2021-11-22 | ValidFAA registration status code V: Valid registration. All codes |
| N47PD | Bell 47G-3B-1 |
Rotorcraft | Guardian Helicopters INC Fillmore, California |
Standard | 2021-10-23 | ValidFAA registration status code V: Valid registration. All codes |
| N73240 | Bell 47G-3B |
Rotorcraft | Individual owner Idaho |
Restricted | 2021-07-01 | ValidFAA registration status code V: Valid registration. All codes |
| N2277W | Bell 47G-3B-2 |
Rotorcraft | Sterling Lane Helicopters LLC Farmingdale, New York |
Multiple | 2020-12-04 | ValidFAA registration status code V: Valid registration. All codes |
| N1380X | Bell 47G-3B-1 |
Rotorcraft | Individual owner Ohio |
Multiple | 2020-10-07 | ValidFAA registration status code V: Valid registration. All codes |
| N54NL | Bell 47G-3B-1 |
Rotorcraft | Extra Air LLC Port Orange, Florida |
Standard | 2020-05-28 | ValidFAA registration status code V: Valid registration. All codes |
| N665GD | Bell 47G-3B-2 |
Rotorcraft | Regenald Michaud Avition LLC Willows, California |
Multiple | 2020-04-17 | ValidFAA registration status code V: Valid registration. All codes |
| N7936S | Bell 47G-3B-1 |
Rotorcraft | Triple F Flying INC Benton, Pennsylvania |
Multiple | 2020-03-05 | ValidFAA registration status code V: Valid registration. All codes |
| N1181W | Bell 47G-3B-1 |
Rotorcraft | Individual owner Kansas |
Standard | 2020-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N147HC | Bell 47G-3B-2 |
Rotorcraft | Individual owner Kansas |
Standard | 2020-01-31 | ValidFAA registration status code V: Valid registration. All codes |
| N73914 | Bell 47G-3B-1 |
Rotorcraft | N73914 INC Hobe Sound, Florida |
Restricted | 2019-06-26 | ValidFAA registration status code V: Valid registration. All codes |
| N290SS | Bell 47G-3B-1 |
Rotorcraft | Magnum Aviation LLC Goff, Kansas |
Standard | 2017-08-31 | ValidFAA registration status code V: Valid registration. All codes |
| N247W | Bell 47G-3B-2 |
Rotorcraft | Wildhorse Helicopter CO INC Pendleton, Oregon |
Restricted | 2017-08-21 | ValidFAA registration status code V: Valid registration. All codes |
| N147WT | Bell 47G-3B-1 |
Rotorcraft | Aircraft Logistics Services LLC Rockford, Michigan |
Standard | 2017-01-04 | ValidFAA registration status code V: Valid registration. All codes |
| N100VB | Bell 47G-3B-1 |
Rotorcraft | Individual owner Pennsylvania |
Standard | 2016-11-02 | ValidFAA registration status code V: Valid registration. All codes |
| N73224 | Bell 47G-3B |
Rotorcraft | C-Fleet LLC Missoula, Montana |
Multiple | 2016-11-02 | ValidFAA registration status code V: Valid registration. All codes |
| N821C | Bell 47G-3B-1 |
Rotorcraft | Individual owner Florida |
Standard | 2015-08-11 | ValidFAA registration status code V: Valid registration. All codes |
| N23590 | Bell TH-13T |
Rotorcraft | Ras Aviation LLC Mansfield, Illinois |
Restricted | 2015-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N2211N | Bell 47G-3B-1 |
Rotorcraft | Individual owner Nevada |
Standard | 2015-03-31 | ValidFAA registration status code V: Valid registration. All codes |
| N90959 | Bell 47G-3B-1 |
Rotorcraft | Barretts Helicopters INC Caliente, California |
Standard | 2014-07-16 | ValidFAA registration status code V: Valid registration. All codes |
| N8185J | Bell 47G-3B-2 |
Rotorcraft | Individual owner Kansas |
Standard | 2014-01-21 | ValidFAA registration status code V: Valid registration. All codes |
| N4757R | Bell 47G-3B-2 |
Rotorcraft | Scotts Helicopter Service Le Sueur, Minnesota |
Multiple | 2013-12-03 | ValidFAA registration status code V: Valid registration. All codes |
| N24MP | Bell 47G3B2A |
Rotorcraft | Wildhorse Helicopters INC Pendleton, Oregon |
Multiple | 2013-11-20 | ValidFAA registration status code V: Valid registration. All codes |
| N48131 | Bell 47G-3B-1 |
Rotorcraft | Individual owner Minnesota |
Standard | 2013-06-28 | ValidFAA registration status code V: Valid registration. All codes |
| N73269 | Bell 47G-3B |
Rotorcraft | Individual owner Kansas |
Multiple | 2012-12-27 | ValidFAA registration status code V: Valid registration. All codes |
| N2918W | Bell 47G-3B-2 |
Rotorcraft | Scotts Helicopter Service INC Le Sueur, Minnesota |
Standard | 2012-11-08 | ValidFAA registration status code V: Valid registration. All codes |
| N73985 | Bell 47G-3B-1 |
Rotorcraft | City of Los Angeles Van Nuys, California |
Restricted | 2012-08-28 | ValidFAA registration status code V: Valid registration. All codes |
| N18SS | Bell 47G-3B-1 |
Rotorcraft | USA Helicopter INC West Winfield, New York |
Multiple | 2012-06-25 | ValidFAA registration status code V: Valid registration. All codes |
| N1333X | Bell 47G-3B-1 |
Rotorcraft | Hendrickson Flying Service INC Rochelle, Illinois |
Restricted | 2010-09-27 | ValidFAA registration status code V: Valid registration. All codes |
| N7897S | Bell 47G-3B-1 |
Rotorcraft | Individual owner Arizona |
Standard | 2010-08-25 | ValidFAA registration status code V: Valid registration. All codes |
| N4017G | Bell 47G-3B-2 |
Rotorcraft | Co-owned owner California |
Standard | 2010-08-06 | ValidFAA registration status code V: Valid registration. All codes |
| N1310X | Bell 47G-5 |
Rotorcraft | Wilbur-Ellis CO Salinas, California |
Standard | 2010-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N915BH | Bell 47G-3B-1 |
Rotorcraft | Hhi Farms LLC Hamilton, Michigan |
Multiple | 2010-02-24 | ValidFAA registration status code V: Valid registration. All codes |
| N5NH | Bell 47G-3B-1 |
Rotorcraft | Sky Horse Helicopters INC Brady, Texas |
Multiple | 2009-11-24 | ValidFAA registration status code V: Valid registration. All codes |
| N7887S | Bell 47G-3B-2 |
Rotorcraft | Heli Works Flight Services LLC Deer Lodge, Montana |
Multiple | 2009-09-24 | ValidFAA registration status code V: Valid registration. All codes |
| N4077 | Bell 47G-3B-1 |
Rotorcraft | Cavanaugh Flight Museum Denison, Texas |
Standard | 2009-01-29 | ValidFAA registration status code V: Valid registration. All codes |
| N3079G | Bell 47G-3B-1 |
Rotorcraft | Nockair Helicopters INC Longboat Key, Florida |
Multiple | 2007-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N500EN | Bell 47G-3B-1 |
Rotorcraft | Nockair Helicopters INC Longboat Key, Florida |
Multiple | 2007-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N73965 | Bell 47G-3B-1 |
Rotorcraft | Nockair Helicopters INC Longboat Key, Florida |
Multiple | 2007-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N94720 | Bell 47G-3B-1 |
Rotorcraft | Hamilton Helicopters INC Hamilton, Michigan |
Multiple | 2007-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N8554F | Bell 47G-3B-1 |
Rotorcraft | Scotts Helicopter Services INC Le Sueur, Minnesota |
Restricted | 2007-02-26 | ValidFAA registration status code V: Valid registration. All codes |
| N47AH | Bell 47G-3B |
Rotorcraft | Scotts Helicopter Services INC Le Sueur, Minnesota |
Standard | 2005-05-04 | ValidFAA registration status code V: Valid registration. All codes |
| N1335X | Bell 47G-3B-1 |
Rotorcraft | Hendrickson Flying Service INC Rochelle, Illinois |
Multiple | 2004-12-08 | ValidFAA registration status code V: Valid registration. All codes |
| N48020 | Bell 47G-3B-1 |
Rotorcraft | Individual owner Nevada |
Standard | 2004-06-08 | ValidFAA registration status code V: Valid registration. All codes |
| N73909 | Bell 47G-3B-1 |
Rotorcraft | Dsm INC White City, Oregon |
Restricted | 2001-02-02 | ValidFAA registration status code V: Valid registration. All codes |
| N7965J | Bell 47G3B2A |
Rotorcraft | Dsm INC White City, Oregon |
Multiple | 1999-03-15 | ValidFAA registration status code V: Valid registration. All codes |
| N44SG | Bell 47G-3B-1 |
Rotorcraft | Staten Island Helicopters INC Staten Island, New York |
Standard | 1998-07-17 | ValidFAA registration status code V: Valid registration. All codes |
| N14827 | Bell 47G3B2A |
Rotorcraft | Wildhorse Helicopters INC Pendleton, Oregon |
Restricted | 1993-11-05 | ValidFAA registration status code V: Valid registration. All codes |
| N4029G | Bell 47G-3B-2 |
Rotorcraft | Wildhorse Helicopters INC Pendleton, Oregon |
Restricted | 1993-05-19 | ValidFAA registration status code V: Valid registration. All codes |
| N4990H | Bell 47G-3B-1 |
Rotorcraft | Scotts Helicopter Services Le Sueur, Minnesota |
Standard | 1993-01-04 | ValidFAA registration status code V: Valid registration. All codes |
| N7959J | Bell 47G-3B-2 |
Rotorcraft | Co-owned owner Nevada |
Standard | 1991-03-13 | ValidFAA registration status code V: Valid registration. All codes |
| N44MA | Beech 65-B80 |
Fixed-wing, multi-engine | Pacific Mission Aviation Hagatna, Guam |
Special flight permit | 1987-11-24 | ValidFAA registration status code V: Valid registration. All codes |
| N1461W | Bell 47G-3B-2 |
Rotorcraft | Skyhawk Helicopter Service INC Minersville, Utah |
Restricted | 1979-05-23 | ValidFAA registration status code V: Valid registration. All codes |
| N1362X | Bell 47G-3B-1 |
Rotorcraft | Individual owner North Dakota |
Restricted | 1978-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N8161K | Bell 47G-3B-2 |
Rotorcraft | Individual owner Oregon |
Multiple | Sale reportedFAA registration status code 7. All codes |
Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.