Lycoming O-320 series
27,316 aircraft on the U.S. register carry a Lycoming O-320 series engine, rated at about 180 horsepower. The Cessna 172 Skyhawk is the model most often fitted with it (9,463 aircraft). The aircraft carrying it were built between 1949 and 2026.
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 O-320 series (2 codes). FAA spellings: 0-320 SERIES · O-320 SERIES.
Fitted to model families
Cessna 172 Skyhawk9,463Piper PA-28 Cherokee, Warrior, Archer and Arrow6,844Piper PA-18 Super Cub2,393Piper PA-22 Tri-Pacer and Colt1,660Grumman American Avn. Corp. AA-5 Traveler, Cheetah and Tiger566Bellanca 7 Citabria563Cessna 177 Cardinal398Piper PA-23 Apache and Aztec347Robinson R22276Champion 7 Citabria and Champ266American Champion Aircraft 7 Citabria and Champ249Piper PA-12 Super Cruiser149
Cessna 172 Skyhawk · Piper PA-28 Cherokee, Warrior, Archer and Arrow · Piper PA-18 Super Cub · Piper PA-22 Tri-Pacer and Colt · Grumman American Avn. Corp. AA-5 Traveler, Cheetah and Tiger · Bellanca 7 Citabria · Cessna 177 Cardinal · Piper PA-23 Apache and Aztec · Robinson R22 · Champion 7 Citabria and Champ
Where they are owner's state
Texas2,349California2,123Florida2,075Alaska1,796Washington1,004Ohio731Georgia718Minnesota686North Carolina674Arizona659
Kind of aircraft
Piston singles26,598 (97%)Piston twins414 (2%)Helicopters303 (1%)Gliders1 (0.0%)
When the aircraft were built by decade
What the FAA has certified, ordered and been told about the Lycoming O-320 series the component layer
No FAA order in the current files names this engine series. Operators and repair shops have filed 349 failure reports with the FAA since 1995, 19 of them in the last ten years.
Failure reports 349 since · what operators and shops told the FAA
Parts most often reported as the reports name them
Spar18Tube17Cylinder15Bulkhead9Alternator8Control Cable8Bolt7Carburetor7Fitting6Float6
Latest reports
2026-09-03Gascolator: dirty
2026-05-19Impulse Coupling: unserviceable
2026-03-10Cylinder Head: cracked
2026-03-05Cylinder: cracked
2025-11-24Cylinder: cracked
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
- Cessna 172 Skyhawk 9,463 with this engine series
- Piper PA-28 Cherokee, Warrior, Archer and Arrow 6,844 with this engine series
- Piper PA-18 Super Cub 2,393 with this engine series
- Piper PA-22 Tri-Pacer and Colt 1,660 with this engine series
- Grumman American Avn. Corp. AA-5 Traveler, Cheetah and Tiger 566 with this engine series
- Bellanca 7 Citabria 563 with this engine series
- Cessna 177 Cardinal 398 with this engine series
- Piper PA-23 Apache and Aztec 347 with this engine series
Where they are
- Texas 2,349 of these aircraft
- California 2,123 of these aircraft
- Florida 2,075 of these aircraft
- Alaska 1,796 of these aircraft
- Washington 1,004 of these aircraft
Biggest operators
- Wings Over Texas Holdings LLC 107 of these aircraft
- American Patrols INC 61 of these aircraft
- Paris Air INC 33 of these aircraft
- Civil Air Patrol INC 33 of these aircraft
- International Air Services INC Trustee 30 of these aircraft
Airworthiness
- Failure reports on the Lycoming O-320 series 349 reports since 1995
Analytics
These connections as data: /graph/engine/lycoming-o-320-series.json · about the eFlight graph.
Aircraft newest certificates first · 27,316
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N61737 | Cessna 172M |
Fixed-wing, single engine | Executive Flight Institute LLC Murrieta, California |
Standard | 2026-08-04 | ValidFAA registration status code V: Valid registration. All codes |
| N6576B | Martel Charles R BD-4 |
Fixed-wing, single engine | Co-owned owner Florida |
Experimental | 2026-08-04 | ValidFAA registration status code V: Valid registration. All codes |
| N7165G | Cessna 172K |
Fixed-wing, single engine | Executive Flight Institute LLC Murrieta, California |
Standard | 2026-08-04 | ValidFAA registration status code V: Valid registration. All codes |
| N725EC | Cessna 172M |
Fixed-wing, single engine | Draco Flight School INC Chino, California |
Standard | 2026-08-04 | ValidFAA registration status code V: Valid registration. All codes |
| N737JR | Cessna 172N |
Fixed-wing, single engine | G&M Aircraft INC Wheat Ridge, Colorado |
Standard | 2026-08-04 | ValidFAA registration status code V: Valid registration. All codes |
| N738HD | Cessna 172N |
Fixed-wing, single engine | G&M Aircraft INC Wheat Ridge, Colorado |
Standard | 2026-08-04 | ValidFAA registration status code V: Valid registration. All codes |
| N738KT | Cessna 172N |
Fixed-wing, single engine | Getaway Aviation LLC Spring Lake, Michigan |
Standard | 2026-08-04 | ValidFAA registration status code V: Valid registration. All codes |
| N79113 | Cessna 172K |
Fixed-wing, single engine | Executive Flight Institute LLC Murrieta, California |
Standard | 2026-08-04 | ValidFAA registration status code V: Valid registration. All codes |
| N84225 | Cessna 172K |
Fixed-wing, single engine | Executive Flight Institute LLC Murrieta, California |
Standard | 2026-08-04 | ValidFAA registration status code V: Valid registration. All codes |
| N126DA | Cessna 172N |
Fixed-wing, single engine | Co-owned owner Texas |
Standard | 2026-08-03 | ValidFAA registration status code V: Valid registration. All codes |
| N66049 | Cessna 172P |
Fixed-wing, single engine | Aerosync LLC Miami, Florida |
Standard | 2026-08-03 | ValidFAA registration status code V: Valid registration. All codes |
| N7186L | Grumman American Avn. Corp. AA-5 |
Fixed-wing, single engine | Hows Grandma LLC South Daytona, Florida |
Standard | 2026-08-03 | ValidFAA registration status code V: Valid registration. All codes |
| N4822G | Cessna 172N |
Fixed-wing, single engine | Highpoint Strategies LLC Cypress, Texas |
Standard | 2026-08-02 | ValidFAA registration status code V: Valid registration. All codes |
| N2653P | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Illinois |
Standard | 2026-08-01 | ValidFAA registration status code V: Valid registration. All codes |
| N419S | Bushby MUSTANG II |
Fixed-wing, single engine | Individual owner Georgia |
Experimental | 2026-08-01 | ValidFAA registration status code V: Valid registration. All codes |
| N56947 | Piper PA-28-151 |
Fixed-wing, single engine | Wings of Hope Chesterfield, Missouri |
Standard | 2026-08-01 | ValidFAA registration status code V: Valid registration. All codes |
| N5814W | Piper PA-28-150 |
Fixed-wing, single engine | P&K Enterprises LLC Madison Heights, Virginia |
Standard | 2026-08-01 | ValidFAA registration status code V: Valid registration. All codes |
| N3584K | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2026-07-31 | ValidFAA registration status code V: Valid registration. All codes |
| N414US | Earl R Allen MIGLET |
Fixed-wing, single engine | Individual owner Alaska |
Experimental | 2026-07-31 | ValidFAA registration status code V: Valid registration. All codes |
| N4239P | Piper PA-23-160 |
Fixed-wing, multi-engine | Individual owner Louisiana |
Standard | 2026-07-31 | ValidFAA registration status code V: Valid registration. All codes |
| N5968W | Piper PA-28-150 |
Fixed-wing, single engine | Individual owner Alabama |
Standard | 2026-07-31 | ValidFAA registration status code V: Valid registration. All codes |
| N7777C | Cessna 172M |
Fixed-wing, single engine | Southern Sky LLC Henderson, Nevada |
Standard | 2026-07-31 | ValidFAA registration status code V: Valid registration. All codes |
| N8454B | Piper PA-28-161 |
Fixed-wing, single engine | International Air Services INC Trustee Carson City, Nevada |
Standard | 2026-07-31 | ValidFAA registration status code V: Valid registration. All codes |
| N29593 | Cessna 177 |
Fixed-wing, single engine | Individual owner Iowa |
Standard | 2026-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N299JS | Piper PA-28-151 |
Fixed-wing, single engine | Brolan Aviation LLC Kansas City, Missouri |
Standard | 2026-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N36PA | Allender Patrick R RV4 |
Fixed-wing, single engine | Individual owner Tennessee |
Experimental | 2026-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N5057W | Piper PA-28 |
Fixed-wing, single engine | Td Aviation LLC Saint Louis, Missouri |
Standard | 2026-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N5393W | Piper PA-28 |
Fixed-wing, single engine | Grit Enterprises INC Tulsa, Oklahoma |
Standard | 2026-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N80700 | Cessna 172M |
Fixed-wing, single engine | Changes In Latitude LLC Kingwood, Texas |
Standard | 2026-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N121MD | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2026-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N1626J | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2026-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N1639G | Champion 7KCAB |
Fixed-wing, single engine | Ghostwriter Airshows LLC Hustonville, Kentucky |
Standard | 2026-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N1688T | Piper PA-28-140 |
Fixed-wing, single engine | Cape May Aero LLC Cape May, New Jersey |
Standard | 2026-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N3041Z | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Kansas |
Standard | 2026-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N39954 | Piper PA-28-161 |
Fixed-wing, single engine | Swaz Aviation LLC Mesa, Arizona |
Standard | 2026-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N5475W | Piper PA-28-160 |
Fixed-wing, single engine | Wing & A Prayer LLC Moreland, Georgia |
Standard | 2026-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N6317Y | Kinden Keith REBEL |
Fixed-wing, single engine | Bickel Aviation LLC Wilmington, Delaware |
Experimental | 2026-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N733QA | Cessna 172N |
Fixed-wing, single engine | Parrillo Development and Real Estate LLC Sarasota, Florida |
Standard | 2026-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N7585G | Cessna 172L |
Fixed-wing, single engine | Cessna85G LLC Manassas, Virginia |
Standard | 2026-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N90947 | Piper PA-18-150 |
Fixed-wing, single engine | Co-owned owner Alaska |
Multiple | 2026-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N3617P | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner South Carolina |
Standard | 2026-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N375UM | Piper PA-18S-150 |
Fixed-wing, single engine | Alaskan Outhouse Adventures LLC Big Lake, Alaska |
Standard | 2026-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N57447 | Bellanca 7GCAA |
Fixed-wing, single engine | Individual owner North Carolina |
Restricted | 2026-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N738QM | Cessna 172N |
Fixed-wing, single engine | Individual owner Mississippi |
Standard | 2026-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N739DF | Cessna 172N |
Fixed-wing, single engine | Morcom Aviation Services INC DBA Everett, Washington |
Standard | 2026-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N778Z | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2026-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N8103G | Crausby Maxwell R CRAUSBY RV-4 |
Fixed-wing, single engine | Individual owner Mississippi |
Experimental | 2026-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N81441 | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner Pennsylvania |
Standard | 2026-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N8258J | Varga Aircraft Corp. 2150A |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2026-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N83392 | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2026-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N9584V | Cessna 172M |
Fixed-wing, single engine | Stick & Rudder Club INC Waukegan, Illinois |
Standard | 2026-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N9697P | Piper PA-18-150 |
Fixed-wing, single engine | Dubious Adventures II LLC Big Lake, Alaska |
Standard | 2026-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N321ES | Gulfstream American Corp AA-5A |
Fixed-wing, single engine | Qualitair LLC Trustee Michelstadt, |
Standard | 2026-07-27 | ValidFAA registration status code V: Valid registration. All codes |
| N39LD | Piper PA-18A 150 |
Fixed-wing, single engine | Co-owned owner North Dakota |
Standard | 2026-07-27 | ValidFAA registration status code V: Valid registration. All codes |
| N2333Y | Cessna 177 |
Fixed-wing, single engine | Skillman Flying Services LLC Brookshire, Texas |
Standard | 2026-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N4138X | Aero Commander 100 |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2026-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N5701U | Piper PA-28-140 |
Fixed-wing, single engine | Co-owned owner Colorado |
Standard | 2026-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N78190 | Cessna 172K |
Fixed-wing, single engine | Prp Aviation LLC Ocala, Florida |
Standard | 2026-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N9051B | Aeronca 7EC |
Fixed-wing, single engine | Finished Work Aviation LLC Redding, California |
Standard | 2026-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N9915W | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner California |
Standard | 2026-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N249T | Piper PA-18 105 |
Fixed-wing, single engine | Bigger Tires More Fun LLC Anchorage, Alaska |
Multiple | 2026-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N302JA | Cessna 172N |
Fixed-wing, single engine | Aviate LLC Green Bay, Wisconsin |
Standard | 2026-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N6890W | Piper PA-28-140 |
Fixed-wing, single engine | Withheld at owner's request | Standard | 2026-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N975BW | Cessna 172N |
Fixed-wing, single engine | Weidendorf Investments LLC Hinckley, Minnesota |
Standard | 2026-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N13262 | Cessna 172M |
Fixed-wing, single engine | Cloud Dance Aviation INC Deland, Florida |
Standard | 2026-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N19703 | Cessna 172L |
Fixed-wing, single engine | Cloud Dancer Aviation INC Deland, Florida |
Standard | 2026-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N2873Q | Cessna 172L |
Fixed-wing, single engine | Cloud Dancer Aviation INC Deland, Florida |
Standard | 2026-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N46210 | Cessna 172I |
Fixed-wing, single engine | Cloud Dancer Aviation INC Deland, Florida |
Standard | 2026-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N46709 | Cessna 172K |
Fixed-wing, single engine | Cloud Dancer Aviation INC Deland, Florida |
Standard | 2026-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N46736 | Cessna 172K |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2026-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N532TW | Piper PA-28-161 |
Fixed-wing, single engine | Co-owned owner Texas |
Standard | 2026-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N55818 | Piper PA-28-140 |
Fixed-wing, single engine | Lovejoy Aviation LLC Cato, New York |
Standard | 2026-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N73345 | Cessna 172M |
Fixed-wing, single engine | N73345 Aviation LLC Sheridan, Wyoming |
Standard | 2026-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N9319D | Piper PA-22-160 |
Fixed-wing, single engine | Cloud Buster LLC Bloomfield, Iowa |
Standard | 2026-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N9379 | Leider THORPT-18-179 |
Fixed-wing, single engine | Individual owner Virginia |
Experimental | 2026-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N21289 | Cessna 172M |
Fixed-wing, single engine | High Flight Academy LLC Allison Park, Pennsylvania |
Standard | 2026-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N3487Q | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner California |
Standard | 2026-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N513M | Midget Mustang M-1 |
Fixed-wing, single engine | Individual owner Tennessee |
Experimental | 2026-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N6138V | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Virginia |
Standard | 2026-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N733AZ | Cessna 172N |
Fixed-wing, single engine | Tactical Integrated Training Solutions LLC San Antonio, Texas |
Standard | 2026-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N734YL | Cessna 172N |
Fixed-wing, single engine | Tactical Integrated Training Solutions LLC San Antonio, Texas |
Standard | 2026-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N737NG | Cessna 172N |
Fixed-wing, single engine | Tactical Integrated Training Solutions LLC San Antonio, Texas |
Standard | 2026-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N75926 | Cessna 172N |
Fixed-wing, single engine | Owens Flight Training LLC Lafayette, Louisiana |
Standard | 2026-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N9337K | Piper PA-28-140 |
Fixed-wing, single engine | Skyrise Aviation CORP Pompano Beach, Florida |
Standard | 2026-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N98293 | Piper PA-28-140 |
Fixed-wing, single engine | Je Aircraft Repair LLC Wasilla, Alaska |
Standard | 2026-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N9870D | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2026-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N99329 | Cessna 172P |
Fixed-wing, single engine | Tactical Integrated Training Soluctions LLC San Antonio, Texas |
Standard | 2026-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N12676 | Cessna 172M |
Fixed-wing, single engine | Co-owned owner Massachusetts |
Standard | 2026-07-21 | ValidFAA registration status code V: Valid registration. All codes |
| N4940G | Cessna 172N |
Fixed-wing, single engine | N4940G LLC Portsmouth, New Hampshire |
Standard | 2026-07-21 | ValidFAA registration status code V: Valid registration. All codes |
| N5432E | Cessna 172N |
Fixed-wing, single engine | Milwaukee Aero LLC Milwaukee, Wisconsin |
Standard | 2026-07-21 | ValidFAA registration status code V: Valid registration. All codes |
| N5621U | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Wisconsin |
Standard | 2026-07-21 | ValidFAA registration status code V: Valid registration. All codes |
| N56997 | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Arkansas |
Standard | 2026-07-21 | ValidFAA registration status code V: Valid registration. All codes |
| N7112G | Cessna 172K |
Fixed-wing, single engine | Co-owned owner Tennessee |
Standard | 2026-07-21 | ValidFAA registration status code V: Valid registration. All codes |
| N724CW | Wallace Carey D RV9A |
Fixed-wing, single engine | Individual owner Tennessee |
Experimental | 2026-07-21 | ValidFAA registration status code V: Valid registration. All codes |
| N733KJ | Cessna 172N |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2026-07-21 | ValidFAA registration status code V: Valid registration. All codes |
| N75840 | Cessna 172N |
Fixed-wing, single engine | Planebros LLC Bixby, Oklahoma |
Standard | 2026-07-21 | ValidFAA registration status code V: Valid registration. All codes |
| N79048 | Cessna 172K |
Fixed-wing, single engine | High Stakes Aviation LLC Fresno, California |
Standard | 2026-07-21 | ValidFAA registration status code V: Valid registration. All codes |
| N7976L | Beech A23-19 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2026-07-21 | ValidFAA registration status code V: Valid registration. All codes |
| N9476H | Cessna 172M |
Fixed-wing, single engine | Helicopter Partners INC Wellington, Florida |
Standard | 2026-07-21 | ValidFAA registration status code V: Valid registration. All codes |
| N140AC | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Maryland |
Standard | 2026-07-20 | ValidFAA registration status code V: Valid registration. 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.