Lycoming Engine Models

Originally certified in 1942, the Lycoming O-235 series engines are air-cooled horizontally opposed, four-cylinder piston aircraft engines. All O-235 models have a displacement of 233 cubic inches, or 3.82 liters, utilize a carburetor for fuel delivery, and dual magnetos for an ignition system. Horsepower ranges from 100 to 135. 

Engine Model Aircraft
AEIO-320-D1BGrob G-115D2 Heron
AEIO-320-D1BSlingsby T67M Firefly 160
AEIO-320-D2BHindustan Aero HT-2 
AEIO-320-E1BBellanca 8KCAB-CS Decathalon
AEIO-320-E2ABellanca 8KCAB Citabria
AEIO-320-E2BBellanca 8KCAB Citabria
AEIO-360-A1APitts  
AEIO-360-A1BMudry CAP-20LS & 21   
AEIO-360-A1B6Valmet L-70 Vinka
AEIO-360-A1B6Scottish Avia Bulldog
AEIO-360-A1B6Zlin Z 242 L Zlin
AEIO-360-A1DChristen S-2 Eagle II
AEIO-360-A1ESlingsby T67M Firefly 200
AEIO-360-A1EChristen S-2A Pitts
AEIO-360-B1BFuji Cobra 200 
AEIO-360-B1FF.F.A. AS-202-18A Bravo
AEIO-360-B1FGrob G-115D Sport-Acro
AEIO-360-B1FGrob G115D Acro Sport
AEIO-360-H1BAmerican Champion  
AEIO-360-H1BAmerican Champion 8KCAB-180 Super Decathalon
AEIO-360-B1G6Great Lakes  
AEIO-360-B1HOne Design  
AEIO-360-B1HLy-Con  
AEIO-360-B1HAkrotech
AEIO-360-B2FMudry CAP-10 
AEIO-360-B4AChristen S1-S 
AEIO-360-B4APitts S1-S 
AEIO-360-H1ABellanca 8KCAB-180 Super Decathalon
AEIO-540-D4A5Christen S-2S Pitts
AEIO-540-D4A5Christen S-2S Pitts
AEIO-540-D4A5Siai Marchetti SF-260 
AEIO-540-D4A5Siai Marchetti SF-260 Belgium Air Force
AEIO-540-D4A5Slingsby T67M260-T3A 
AEIO-540-D4B5Hindustan Aero HPT-32 
AEIO-540-D4B5Moravan 50L Zlin
AEIO-540-D4D5Grob-Werke G 120A Grob
AEIO-540-L1B5Extra-Flugzeugbau Extra 300 
AEIO-540-L1B5Mudry
AEIO-540-L1B5Pacific Aerospace CT4-E Airtrainer
AEIO-540-L1B5DMoravan 50L Zlin
AEIO-540-L1B5DMudry CAP-230 
AEIO-540-L1B5DSOCATA TB-30 Epsilon
AEIO-540-L1D5Cessna CAP Apex Aircraft
AEIO-580-B1AAviat
AEIO-580-B1AExtra Aircraft  
AEIO-580-B1AExtra Aircraft EA-330 
HIO-360-A1ASchweizer H-269 
HIO-360-B1AHughes 269A 
HIO-360-C1AEnstrom  
HIO-360-C1BEnstrom F-28A 
HIO-360-D1ASchweizer 300 
HIO-360-D1AHughes 269 
HIO-360-D1ASchweizer 269 
HIO-360-D1ASchweizer 300C 
HIO-360-E1ADEnstrom F-28 Shark
HIO-360-E1BDEnstrom F-28C 
HIO-360-F1ADEnstrom F-28F Falcon
HIO-360-G1ASchweizer 300CB 
HIO-360-G1ABHR Aircraft Fandango 
HO-360-C1ASchweizer 300CB 
HO-360-C1ASchweizer 300CB 
IO-320-B1APalm Beach Roamer PA-30-39 Twin Comanche Conversion
IO-320-B1APiper PA-30 Twin Comanche
IO-320-B1AStoddard Hamilton Glasair Super II S 
IO-320-C1APiper PA-39 Twin Comanche
IO-320-D1AMonson BO-209-C M.B.B.
IO-320-D1BLancair Lancair 320 
IO-320-D1BMBB BO-209 Monsun
IO-320-E2AChampion 7KCAB Citabria
IO-320-E2BBellanca Citabria 
LIO-320-B1APalm Beach Roamer PA-30-39 Twin Comanche Conversion
LIO-320-B1APiper PA-39 Twin Comanche
LIO-320-C1APiper PA-39 Twin Comanche
IO-360-A1AMooney M-20E Executive
IO-360-A1BAero Fab LA-4-200 Buckaneer
IO-360-A1BPartenavia P-68B 
IO-360-A1BPartenavia  
IO-360-A1BPartenavia P-68B 
IO-360-A1ASiai Marchetti S-205 
IO-360-A1B6Apex - Robin 200R Remo
IO-360-A1B6Beech C-24R Sierra
IO-360-A1B6Cessna R-G Cardinal
IO-360-A1B6Lake LA-4-200 Buccaneer
IO-360-A1B6Mooney M-20J 
IO-360-A1B6Mt Propeller Conversion 
IO-360-A1B6Pakistan Aero Mushshak 
IO-360-A1B6Partenavia P-68 Series Observer
IO-360-A1B6Saab MA-15 MFI-17 
IO-360-A1B6Scottish Avia Bulldog 
IO-360-A1B6SOCATA TB-200 
IO-360-A1B6Vulcanair
IO-360-A1B6DCessna R-G Cardinal
IO-360-A1B6DMooney M-201 
IO-360-A1B6DSiai Marchetti S-205 
IO-360-A1DBeech A24R Sierra
IO-360-A1D6Apex - Robin HR-100 or HR-200 Royale
IO-360-A1D6Aviat  
IO-360-A2ABeech
IO-360-A2BBeech M-23 Musketeer III
IO-360-A3B6Mooney 201 Mod Works Conversion
IO-360-A3B6Mooney 201 
IO-360-A3B6DMooney 201 
IO-360-A3D6DMooney M-20J/201 
IO-360-B1BBeech B-95-B Travel Air
IO-360-B1BFuji FA-200 
IO-360-B1BFuji FA-200 
IO-360-B1BFuji FA-200 
IO-360-B1EPiper PA-28-180R Arrow
IO-360-B1EStoddard Hamilton Glasair Super II S 
IO-360-B1FUtva 75 and 75A21 
IO-360-B1FLancair 360 
IO-360-B1F6Great Lakes Trainer 
IO-360-B1G6American Blimp Airship 
IO-360-C1BSOCATA TB-10 
IO-360-C1CPiper PA-28R-200 Arrow
IO-360-C1C6Piper PA-28R-201 Arrow
IO-360-C1C6Piper PA-28R-200 Arrow
IO-360-C1C6Piper PA-28R-200 U N D
IO-360-C1D6Commander 112 
IO-360-C1D6Stoddard Hamilton Glasair Super II S 
IO-360-C1E6Oma Sud  
IO-360-C1E6Piper PA-34-200 Seneca I
IO-360-C1FPiper PA-30 or PA-39 Miller Conversion
IO-360-C1G6Zeppelin
IO-360-F1ALancair 360 Turbo 
IO-360-L2ACessna C-172R Skyhawk Millennium Edition
IO-360-L2ACessna C-172R Skyhawk
IO-360-L2ACessna C-172S Skyhawk
IO-360-M1ADiamond DA-40 Star
IO-360-M1ADiamond DA-42L Twin Star
IO-360-M1ATecnam P2010 Traveller
IO-360-M1BLancair 360 
IO-360-M1BVans RV-6 
IO-360-M1BVans RV-6 
LIO-360-C1E6Piper PA-34-200 Senaca I
LIO-360-M1ADiamond DA-42L 
IO-390-A1A6Aerodyme 112 
IO-390-A1B6American Champion American Champion 
IO-390-A3A6Mooney M20E - F - or J 
IO-540-AA1A5Piper 602-P Aerostar
IO-540-AA1B5Stoddard Hamilton Glasair III 
IO-540-AB1A5Cessna 182-S 
IO-540-AB1A5Cessna 182-T 
IO-540-AB1A5Cessna C-182-T Skylane
IO-540-AC1A5Cessna C-206 Stationair
IO-540-AE1A5Robinson R44 II 
IO-540-C1B5Piper PA-24-250 
IO-540-C4B5Aero Fab LA 250 Renegade
IO-540-C4B5Apex - Robin HR-100 
IO-540-C4B5Piper
IO-540-C4B5Piper PA-23-250 Aztec
IO-540-C4B5Piper PA-23-250 
IO-540-C4D5Ruschmeyer R90-230 RG A77EU
IO-540-C4D5Zlin Z 143 LSI 
IO-540-C4D5DSOCATA TB-20 Trinidad
IO-540-D4A5Piper PA-24-260 Comanche
IO-540-D4A5Siai Marchetti SF-260 
IO-540-D4A5Vans RV-10 
IO-540-D4B5Cessna 182 
IO-540-E1B5Aero Commander 500 - S and U 
IO-540-F1B5Robinson R-44 
IO-540-G1A5Riley PA-23 Aztec Conversion Turbo
IO-540-G1D5Intermountian Mfg Co A-9 Super 
IO-540-J4A5Piper PA-23-250 Aztec
IO-540-K1A5Gippsland GA8 Airvan 
IO-540-K1A5Gippsland
IO-540-K1A5Piper PA-32-300 Cherokee 6
IO-540-K1A5DPiper PA-32-300 Cherokee 6
IO-540-K1B5Britten Norman BN-2A Islander
IO-540-K1B5Britten Norman Islander
IO-540-K1C5Dehavilland DH-114 
IO-540-K1D5Neiva 1PD 6201 Universal
IO-540-K1E5Bellanca 300A Super Viking
IO-540-K1F5Aerostar 600 
IO-540-K1F5DEmbraer EMB-201A Ipanema
IO-540-K1G5Piper PA-36-300 Brave
IO-540-K1G5Piper PA-32-301 Saratoga
IO-540-K1G5Piper Saratoga
IO-540-K1G5Piper PA-32-301 Saratoga H.P.
IO-540-K1G5Piper Saratoga H.P.
IO-540-K1G5Piper
IO-540-K1G5DPiper PA-32RT-300 Lance
IO-540-K1G5DPiper PA-32RT-300 32R-301 Lance
IO-540-K1H5Stoddard Hamilton Glasair III 
IO-540-K1J5Embraer Ipanema
IO-540-K1J5Neiva
IO-540-K1J5DPiper 600-A Aerostar
IO-540-K1K5Piper T-35 Pillan
IO-540-L1B5DUtva 75 
IO-540-L1C5Found Aircraft FBA-2C1 
IO-540-L1C5Found Aircraft FBA-2C1 
IO-540-M1A5Commander 500 Merlyn Products 
IO-540-M1A5Piper PA-31-300 Navajo
IO-540-M1B5DEagle Aircraft  
IO-540-M1C5Commander 500 B, S or U Series Merlyn Products STC
IO-540-M1C5King Engineering Angel 
IO-540-N1A5Piper PA-24-260 Comanche
IO-540-R1A5Piper PA-24-260 Comanche
IO-540-S1A5Piper 601-A Aerostar
IO-540-S1A5Piper Aerostar
IO-540-T4A5DRockwell 114 
IO-540-T4B5Commander 114B 
IO-540-T4B5DCommander 114 
IO-540-V4A5AMF
IO-540-V4A5Maule M-7-260 
IO-540-W1A5DMaule M-6-235 Lunar Rocket
IO-540-W1A5Maule M-6-235 Lunar Rocket
IO-540-K1J5Piper 600-A Aerostar
IO-540-K1B5Catic
IO-540-K1B5PZL-104M Wilga 2000 
IO-580-B1AFound Aircraft E350 Bush Hawk
IO-720-A1BBeech Beech 80 Excalibur Conversion
IO-720-A1BExcalibur
IO-720-A1BJohnston A-C PA-36 Brave Modification
IO-720-A1BPacific Aerospace FU-24-954 Fletcher
IO-720-B1BMr. RPM Aero Commander Conversion 
IO-720-B1BDMr RPM Aero Commander Conversion 
IO-720-D1BEmbraer EMB-400 Ipanema
IO-720-D1CPiper PA-36-375 Brave
IO-720-D1CDPiper PA-36-375 Brave
O-235-C2AAero Boero 115 Victa Airtourer
O-235-C2AAero Boero AB-115 BS 
O-235-K2CAmerican Champion 7ECA Champion
O-235-J2AApex - Robin DR 300 
O-235-C2AApex - Robin DR-221 Dauphin
O-235-H2CApex - Robin DR-300-108 Cadet
O-235-F2BApex - Robin DR-400 
O-235-L2AApex - Robin DR400 120 Dauphin
O-235-C2CApex - Robin DR-400 2+2 
O-235-K2BApex - Robin  
O-235-L2CBeech 77 Skipper
O-235-N2CBharat Heavy Electricals LT-1 Swat 1
O-235-F2ACessna C-152 Conversion
O-235-L2CCessna C-152 
O-235-N2CCessna C-152 
O-235-C1Champion 7ECA Citabria
O-235-K2CChampion 7ECA Citabria
O-235-N2CDW Aviation  
O-235-H2CGrob G-115 G-115A 
O-235-L2CGrumman AA1C Trainer
O-235-C2CGrumman TR-2 Yankee
O-235-L2ALancair Lancair 235 
O-235-N2CMurphy Renegade 
O-235-N2CZenair CH 2000 Kit
O-235-C1Piper PA-12 Piper
O-235-C1BPiper PA-18-105 Cub
O-235-C1BPiper PA-22-108 Colt
O-235-L2CPiper PA-38-112 Tomahawk
O-235-L2ASlingsby T67B 
O-235-N2ASlingsby T67B 
O-235-L2ASOCATA MS-885 Rallye 110
O-235-F2ASOCATA Rallye 
O-235-L2CTaylorcraft F-21 
O-235-N2CZenair CH 2000 Kit
O-320-A2APiper PA-25 Pawnee
O-320-A2BBeagle PUP-150 
O-320-A2BBellanca 7GCBC Citabria
O-320-A2BPiper PA-18-150 Super Cub
O-320-A2BPiper PA-28-150 Cherokee
O-320-A2CVarga 2150A Kachina
O-320-A2DBellanca 7GCBC Citabria
O-320-A3APiper PA-23 Apache
O-320-A3BPiper PA-23 Apache
O-320-B1ACessna 170 Doynr Conversion
O-320-B2APiper PA-22-160 Tri-Pacer
O-320-B2BAmerican Champion 7GCAA Citabria
O-320-B2BAmerican Champion 7GCBC Citabria
O-320-B2BCub Crafters  
O-320-B2BPiper PA-18 Wings Unlimited Conversion
O-320-B2BPiper PA-22-160 Tri-Pacer
O-320-B2BPiper PA-28-160 Tri-Pacer
O-320-B2CRobinson R-22B 
O-320-B3BPiper PA-23-160 Apache
O-320-B3BSud GY80-160 Gardan
O-320-D1AApex - Robin  
O-320-D1AGrob G115B - G115C 
O-320-D1AGyroflug SC-01B Speed Canard
O-320-D1ASOCATA TB-9 
O-320-D1AStoddard Hamilton Glasair Super II S 
O-320-D1AVans RV 
O-320-D1DGrumman GA-7 Cougar
O-320-D1FLancair Lancair 320 
O-320-D1FStoddard Hamilton Glastar 
O-320-D1FWassmer WA-52 
O-320-D2AAlpha Aviation  
O-320-D2AApex - Robin DR400 160 Regent
O-320-D2AApex - Robin  
O-320-D2AEuro-Enaer  
O-320-D2AF. F. A. AS-202 Bravo
O-320-D2AFuji FA-200-160 
O-320-D2APiper PA-28-160 Cherokee
O-320-D2ASlingsby T67C 
O-320-D2ASOCATA TB-9 Tampico
O-320-D2BBeech M-23 Musketeer
O-320-D2GRiley C-172 RAM Conversion - Skyhawk
O-320-D2GRiley RAM Conversion - Cessna
O-320-D2JCessna C-172 Skyhawk
O-320-D2JRAM Aircraft C-172 Skyhawk STC
O-320-D3GPenn Yan Aero STC 
O-320-D3GPenn Yan Aero STC 
O-320-D3GPiper PA-28-161 Warrior II
O-320-E1AGrob G-115 
O-320-E1FMBB BO-209-B 
O-320-E2AApex - Robin DR-300 - 140 Petit Prince
O-320-E2AF. F. A. AS-202-15 
O-320-E2APartenavia P-66B Oscar
O-320-E2APiper PA-28-140 Cherokee Cruiser
O-320-E2APiper PA-28-140 or PA-28-150 Cherokee
O-320-E2APiper PA-28-140-150 Cherokee
O-320-E2ASOCATA MS-892 Rallye 150
O-320-E2CBeech B23-19 Musketeer III
O-320-E2CWassmer
O-320-E2DAvcon Conversion 
O-320-E2DAvid Magnum 
O-320-E2DCessna C-152 Conversion
O-320-E2DCessna C-172 Skyhawk
O-320-E2DCessna C-172 Skyhawk
O-320-E2DCessna C-177 Cardinal
O-320-E2FMBB BO-209-B 
O-320-E2GGrumman AA5 Traveler
O-320-E3DBeech B-19 Sport
O-320-E3DPiper PA-22 Tri-Pacer
O-320-E3DPiper PA-28-140 Cherokee
O-320-E3DPiper PA-28-151 Warrior
O-320-E3DPiper PA-28-151 or PA-28-140 Warrior
O-320-H2ADCessna 172 
O-320-H2ADCessna C-172-N Skyhawk
O-320-H2ADPartenavia P-66C 
LO-360-A1G6DBeech 76 Duchess
LO-360-A1H6Piper PA-44- Seminole
LO-360-A1H6Piper PA-44-180 Seminole
LO-360-E1A6DPiper PA-44-180 Seminole
O-360-A1APiper PA-44-180 Seminole
O-360-A1ABeech A-95 Travel Air
O-360-A1AAvcon Conversion
O-360-A1AMooney M-20 
O-360-A1APiper PA-24-180 Comanche
O-360-A1ALancair 360 
O-360-A1AVans RV-6 or RV-6A 
O-360-A1ASOCATA MS893A Rallye
O-360-A1ASiai Marchetti S-205 
O-360-A1AGeneral Avia F22C 
O-360-A1AWassmer WA-40 
O-360-A1AG. E. M. S.  
O-360-A1AAerofab
O-360-A1AVans  
O-360-A1ABolkow 207 
O-360-A1AAero Fab L-4 
O-360-A1AAvcon Conversion 
O-360-A1ADSOCATA TB-10 Tobago
O-360-A1DPiper PA-23 
O-360-A1DPiper PA-24-180 Comanche
O-360-A1DMooney M-20 Series 
O-360-A1F6Stoddard Hamilton  
O-360-A1F6Cessna C-177 Cardinal
O-360-A1F6Grob G 115C2 
O-360-A1F6DCessna C-177 Cardinal
O-360-A1G6DBeech 76 Duchess
O-360-A1G6DBeech B-76 Duchess
O-360-A1H6Piper PA-44-180 Seminole
O-360-A1LDWassmer WA-52 Europa
O-360-A1PAviat Husky 
O-360-A1PApex - Robin  
O-360-A2AApex - Robin DR-300 18R 
O-360-A2ASOCATA MS-893 Rallye Commodore
O-360-A2FAero Commander Lark Aero Commander
O-360-A2FCessna C-177 Cardinal - Early
O-360-A2GBeech B23 Musketeer
O-360-A3AApex - Robin DR400 180 Regent
O-360-A3AAvid Magnum 
O-360-A3APiper PA-28-180 Cherokee 180
O-360-A3ASOCATA 180GT and RS Rallye
O-360-A3ASportavia RS-180 
O-360-A3APartenavia P-64B 
O-360-A3ADApex - Robin R1180 Aiglon
O-360-A3ADSOCATA TB-10 Tobago
O-360-A4APiper PA-28-180 Cherokee 180
O-360-A4GBeech C-23 Sundowner
O-360-A4JBeech C-23 Sundowner
O-360-A4KBeech C-23 Sundowner
O-360-A4KGrumman AA5B Tiger
O-360-A4KGrumman AG-5B Tiger
O-360-A4MAir Plains C-172 Conversion
O-360-A4MPenn Yan Aero C-172 Conversion
O-360-A4MPenn Yan Aero Conversion
O-360-A4MPenn Yan Aero C-172 Conversion
O-360-A4MPiper PA-28-181 Archer
O-360-A4MDiamond DA40 FP 
O-360-A4MPiper PA-28-181 Archer II
O-360-A4MPiper PA-28-181 Archer III
O-360-A4NCessna C-172 Skyhawk
O-360-A4PPenn Yan Aero PA-18 Super Cub Conversion
O-360-A5ADFuji FA-200 
O-360-C1AIntermountian Mfg Co A 6 Call Air
O-360-C1EBellanca 8GCBC-CS Scout
O-360-C1FMaule M-5-180 Lunar Rocket
O-360-C1GChristen A-1 Huskey
O-360-C1GCub Crafters  
O-360-C1GAmerican Champion 8GCBC Scout
O-360-C2APiper PA-18 Super Cub Conversion 
O-360-C2EBellanca 8GCBC Scout
O-360-C2EBellanca 8GCBC Fisher Agency
O-360-C4FMaule MX-7-180A and MXT-7-180 Sportplane and Comet
O-360-C4FMaule MX-7-180A 
O-360-C4PCub Crafters PA-18 Super Cub Conversion
O-360-E1A6DPiper PA-44-180 Seminole
O-360-F1A6Cessna C-172RG Cutlass RG
O-360-J2AGuimbal Helicopters Cabri G2
O-360-J2ARobinson R-22B II Beta II
TIO-360-C1A6DVulcanair - Partenavia P-68C-TC Observer TC
LTIO-540-F2BDPiper PA-31-325 Navajo
LTIO-540-F2BDPiper PA-31-350 Chieftain
LTIO-540-J2BDPiper PA-31-350 
LTIO-540-U2AMachen - Aerostar Superstar Superstar
LTIO-540-U2APiper 700P Aerostar
LTIO-540-V2ADPiper PA-31P-350 Mojave
TIO-540-A2BPiper PA-31-310 Navajo
TIO-540-A2BPiper PA-31-310 Navajo - Airframe SN 1-750
TIO-540-A2CPiper PA-31-310 Navajo
TIO-540-A2CPiper PA-31-310 Navajo - Airframe SN 751 and Up
TIO-540-AA1ADAero Fab LA 250 Renegade Turbo
TIO-540-AB1ADSOCATA TB-21 Trinidad TC
TIO-540-AB1ADSOCATA TB-21-TC Trinidad TC
TIO-540-AE2APiper PA-46-350P Malibu Mirage
TIO-540-AF1AMooney M-20M TLS
TIO-540-AF1BMooney M-20M TLS Bravo
TIO-540-AG1ACommander 114TC 
TIO-540-AH1AGippsland Airvan GA8-TC320
TIO-540-AH1APiper PA-32R-301T Saratoga II TC
TIO-540-AJ1ACessna T-206 Stationair Turbo
TIO-540-AK1ACessna T-182 
TIO-540-AK1ACessna T-182 Skylane0-J2BD
TIO-540-C1APiper PA-23-250T Aztec Turbo
TIO-540-C1APiper PA-23-250T Aztec Turbo
TIO-540-C1APiper PA-23-250T Aztec Turbo
TIO-540-F2BDPiper PA-31-325 Navajo C-R
TIO-540-J2BPiper PA-31-350 T-1020
TIO-540-J2BDPiper PA-31-350 Chieftain
TIO-540-S1ADPiper PA-32RT-300T Cherokee Lance II
TIO-540-S1ADPiper PA-32R-301T Saratoga Turbo SP
TIO-540-U2AMachen - Aerostar Superstar Superstar
TIO-540-U2APiper 700P Aerostar
TO-360-C1A6DVulcanair - Partenavia P-68C-TC 
TIO-540-W2AAero Mercantil El Gavilan 
TO-360-C1A6DCommander TC-112 
TO-360-E1A6DPiper PA-44-180T Seminole Turbo
TO-360-C1A6DCommander TC-112 
IO-720-A1BBeech Beech 80 Conversion Queen Air
IO-720-A1BBeech Beech 80 Conversion Queen Air
IO-720-A1BBeech Beech 80 Conversion Queen Air
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