Lycoming O-320 series
27,315 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 (9,462 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
Model families, as a table
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
Kind of aircraft
By kind, as a table
| aircraft | share | |
|---|---|---|
| Piston singles | 26,597 | 97% |
| Piston twins | 414 | 2% |
| Helicopters | 303 | 1% |
| Gliders | 1 | 0.0% |
What the FAA has certified, ordered and been told about the Lycoming O-320 series the component layer
The design is held under 1 type certificate (E-274, held by Lycoming Engines). The FAA has issued 29 airworthiness directives (orders that owners must comply with) that name 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.
FAA orders 29 airworthiness directives · newest first
Failure reports 349 since · what operators and shops told the FAA
Failure reports by year, as a table
| reports | |
|---|---|
| 95 | 2 |
| 96 | 1 |
| 97 | 2 |
| 98 | 6 |
| 00 | 7 |
| 01 | 39 |
| 02 | 24 |
| 03 | 39 |
| 04 | 30 |
| 05 | 41 |
| 06 | 23 |
| 07 | 32 |
| 08 | 18 |
| 09 | 15 |
| 10 | 13 |
| 11 | 7 |
| 12 | 10 |
| 13 | 4 |
| 14 | 6 |
| 15 | 2 |
| 16 | 9 |
| 17 | 1 |
| 18 | 6 |
| 19 | 1 |
| 20 | 3 |
| 21 | 1 |
| 23 | 2 |
| 25 | 1 |
| 26 | 4 |
Parts most often reported as the reports name them
Parts most reported, as a table
| reports | |
|---|---|
| Spar | 18 |
| Tube | 17 |
| Cylinder | 15 |
| Bulkhead | 9 |
| Alternator | 8 |
| Control Cable | 8 |
| Bolt | 7 |
| Carburetor | 7 |
| Fitting | 6 |
| Float | 6 |
Latest reports
Certificates and bulletins
Safety bulletins 17 · 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
- Cessna 172 Skyhawk 9,462 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
- Texas 2,351 of these aircraft
- California 2,123 of these aircraft
- Florida 2,077 of these aircraft
- Alaska 1,796 of these aircraft
- Washington 1,004 of these aircraft
- 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
- FAA orders naming the Lycoming O-320 series 29 airworthiness directives
- Failure reports on the Lycoming O-320 series 349 reports since 1995
The whole map of how records connect · these connections as data: /graph/engine/lycoming-o-320-series.json.
Aircraft newest certificates first · 27,315
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N4818D | Cessna 172N |
Fixed-wing, single engine | Bald Eagle Flying Club Bridgton, Maine |
Standard | 2013-08-02 | ValidFAA registration status code V: Valid registration. All codes |
| N738GZ | Cessna 172N |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2013-08-02 | ValidFAA registration status code V: Valid registration. All codes |
| N19644 | Cessna 172L |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2013-08-01 | ValidFAA registration status code V: Valid registration. All codes |
| N499FL | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2013-08-01 | ValidFAA registration status code V: Valid registration. All codes |
| N507RH | Hill Ray L RV-6 |
Fixed-wing, single engine | Individual owner California |
Experimental | 2013-08-01 | ValidFAA registration status code V: Valid registration. All codes |
| N5152W | Piper PA-28-150 |
Fixed-wing, single engine | Individual owner Kentucky |
Standard | 2013-08-01 | ValidFAA registration status code V: Valid registration. All codes |
| N7JC | Russell Owen VANS RV-9A |
Fixed-wing, single engine | Jcmc INC Junction City, Kansas |
Experimental | 2013-08-01 | ValidFAA registration status code V: Valid registration. All codes |
| N63DM | Meadows Denny PITTS SPECIAL |
Fixed-wing, single engine | Individual owner Ohio |
Experimental | 2013-07-31 | ValidFAA registration status code V: Valid registration. All codes |
| N73151 | Cessna 172M |
Fixed-wing, single engine | Hawaii Aviators LLC Ewa Beach, Hawaii |
Standard | 2013-07-31 | ValidFAA registration status code V: Valid registration. All codes |
| N739WB | Cessna 172N |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2013-07-31 | ValidFAA registration status code V: Valid registration. All codes |
| N84392 | Cessna 172K |
Fixed-wing, single engine | Romeo Flying Club LLC Leonard, Michigan |
Standard | 2013-07-31 | ValidFAA registration status code V: Valid registration. All codes |
| N369SR | Robinson Helicopter R22 MARINER |
Helicopter | Chopper Shots LLC West Bath, Maine |
Standard | 2013-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N53DT | Deane William F VANS RV-9A |
Fixed-wing, single engine | Individual owner Tennessee |
Experimental | 2013-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N88233 | Bellanca 7GCBC |
Fixed-wing, single engine | Individual owner Vermont |
Standard | 2013-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N8937V | Cessna 172M |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2013-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N6100J | Piper PA-28-151 |
Fixed-wing, single engine | Franklin County Flying Club INC Turners Falls, Massachusetts |
Standard | 2013-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N3045C | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner Massachusetts |
Standard | 2013-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N2246E | Cessna 172N |
Fixed-wing, single engine | Co-owned owner New Jersey |
Standard | 2013-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N2819L | Irwin Wayne R THORP T-18 |
Fixed-wing, single engine | Individual owner Illinois |
Experimental | 2013-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N60NA | Piper PA-28-161 |
Fixed-wing, single engine | Hampden Aviation Services INC Northampton, Massachusetts |
Standard | 2013-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N79004 | Cessna 172K |
Fixed-wing, single engine | Individual owner Idaho |
Standard | 2013-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N733DX | Cessna 172N |
Fixed-wing, single engine | Co-owned owner South Dakota |
Standard | 2013-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N9058D | Piper PA-22-160 |
Fixed-wing, single engine | Co-owned owner Alaska |
Standard | 2013-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N80985 | Cessna 172M |
Fixed-wing, single engine | Individual owner Tennessee |
Standard | 2013-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N880HC | Robinson Helicopter R22 BETA |
Helicopter | Badger Heli CORP Wilmington, Delaware |
Standard | 2013-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N19WD | Davis William R Jr RV-6 VANS |
Fixed-wing, single engine | Individual owner New York |
Experimental | 2013-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N5408H | Cessna 172M |
Fixed-wing, single engine | Schmidt Kelly D Lake Elmo, Minnesota |
Standard | 2013-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N5467S | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Tennessee |
Standard | 2013-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N6918W | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner New York |
Standard | 2013-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N269CJ | Cessna 172L |
Fixed-wing, single engine | Individual owner South Dakota |
Standard | 2013-07-18 | ValidFAA registration status code V: Valid registration. All codes |
| N8200Z | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2013-07-18 | ValidFAA registration status code V: Valid registration. All codes |
| N21517 | Cessna 172M |
Fixed-wing, single engine | Individual owner Iowa |
Standard | 2013-07-17 | ValidFAA registration status code V: Valid registration. All codes |
| N4285Z | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2013-07-17 | ValidFAA registration status code V: Valid registration. All codes |
| N9700H | Cessna 172M |
Fixed-wing, single engine | Individual owner Pennsylvania |
Standard | 2013-07-17 | ValidFAA registration status code V: Valid registration. All codes |
| N345AR | Cessna 172P |
Fixed-wing, single engine | Ohio University Albany, Ohio |
Standard | 2013-07-16 | ValidFAA registration status code V: Valid registration. All codes |
| N7254F | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2013-07-16 | ValidFAA registration status code V: Valid registration. All codes |
| N9023L | Champion 7GCBC |
Fixed-wing, single engine | Co-owned owner Washington |
Standard | 2013-07-15 | ValidFAA registration status code V: Valid registration. All codes |
| N75931 | Cessna 172N |
Fixed-wing, single engine | Individual owner Utah |
Standard | 2013-07-11 | ValidFAA registration status code V: Valid registration. All codes |
| N9811U | Grumman American Avn. Corp. AA-5A |
Fixed-wing, single engine | Individual owner Colorado |
Standard | 2013-07-10 | ValidFAA registration status code V: Valid registration. All codes |
| N2875B | Piper PA-28-161 |
Fixed-wing, single engine | Ras Aviation LLC Elyria, Ohio |
Standard | 2013-07-09 | ValidFAA registration status code V: Valid registration. All codes |
| N4363R | Cessna 172M |
Fixed-wing, single engine | Sky Walker Flight School LLC Adrian, Michigan |
Standard | 2013-07-09 | ValidFAA registration status code V: Valid registration. All codes |
| N3981K | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Delaware |
Standard | 2013-07-08 | ValidFAA registration status code V: Valid registration. All codes |
| N734EZ | Cessna 172N |
Fixed-wing, single engine | Individual owner Idaho |
Standard | 2013-07-08 | ValidFAA registration status code V: Valid registration. All codes |
| N4475J | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Pennsylvania |
Standard | 2013-07-05 | ValidFAA registration status code V: Valid registration. All codes |
| N4637G | Cessna 172N |
Fixed-wing, single engine | Above All Aviation INC Santa Barbara, California |
Standard | 2013-07-05 | ValidFAA registration status code V: Valid registration. All codes |
| N75837 | Cessna 172N |
Fixed-wing, single engine | Individual owner Indiana |
Standard | 2013-07-05 | ValidFAA registration status code V: Valid registration. All codes |
| N7422G | Cessna 172K |
Fixed-wing, single engine | Lafayette Escadrille Flying Club Rock Spring, Georgia |
Standard | 2013-07-03 | ValidFAA registration status code V: Valid registration. All codes |
| N8383T | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner Illinois |
Standard | 2013-07-01 | ValidFAA registration status code V: Valid registration. All codes |
| N8479F | Piper PA-28-151 |
Fixed-wing, single engine | Dubois County Airport Authority Huntingburg, Indiana |
Standard | 2013-07-01 | ValidFAA registration status code V: Valid registration. All codes |
| N737TJ | Cessna 172N |
Fixed-wing, single engine | Stanislaus County Sheriffs Department Modesto, California |
Standard | 2013-06-28 | ValidFAA registration status code V: Valid registration. All codes |
| N4764D | Cessna 172N |
Fixed-wing, single engine | Quadrelec Engineering CORP Tulsa, Oklahoma |
Standard | 2013-06-27 | ValidFAA registration status code V: Valid registration. All codes |
| N5248T | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Kansas |
Standard | 2013-06-27 | ValidFAA registration status code V: Valid registration. All codes |
| N755MA | Piper J-3 |
Fixed-wing, single engine | Mills Air Service INC Marstons Mills, Massachusetts |
Restricted | 2013-06-27 | ValidFAA registration status code V: Valid registration. All codes |
| N7686F | Piper PA-28-151 |
Fixed-wing, single engine | Baremor Terry A Brooklyn Park, Minnesota |
Standard | 2013-06-27 | ValidFAA registration status code V: Valid registration. All codes |
| N20238 | Cessna 172M |
Fixed-wing, single engine | Co-owned owner New York |
Standard | 2013-06-26 | ValidFAA registration status code V: Valid registration. All codes |
| N733VR | Cessna 172N |
Fixed-wing, single engine | Legends Air Center LLC Bentonville, Arkansas |
Standard | 2013-06-26 | ValidFAA registration status code V: Valid registration. All codes |
| N737DV | Cessna 172N |
Fixed-wing, single engine | Superior Flying Services LLC Superior, Wisconsin |
Standard | 2013-06-26 | ValidFAA registration status code V: Valid registration. All codes |
| N5361K | Cessna 172P |
Fixed-wing, single engine | Long Island Soaring Association Shirley, New York |
Standard | 2013-06-25 | ValidFAA registration status code V: Valid registration. All codes |
| N8289A | Piper PA-28-161 |
Fixed-wing, single engine | Aircraft Guaranty CORP Trustee Oklahoma City, Oklahoma |
Standard | 2013-06-25 | ValidFAA registration status code V: Valid registration. All codes |
| N8983V | Cessna 172M |
Fixed-wing, single engine | Individual owner Louisiana |
Standard | 2013-06-25 | ValidFAA registration status code V: Valid registration. All codes |
| N32DM | Piper PA-23-160 |
Fixed-wing, multi-engine | Individual owner Arizona |
Standard | 2013-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N63GS | Colquitt Joseph Arlington GLASTAR |
Fixed-wing, single engine | Aerial Surveys INC Dover, Delaware |
Experimental | 2013-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N3860X | Aero Commander 100 |
Fixed-wing, single engine | Overall Aviators LLC Parsons, Kansas |
Standard | 2013-06-19 | ValidFAA registration status code V: Valid registration. All codes |
| N73498 | Cessna 172M |
Fixed-wing, single engine | 14A Flying Club INC Mooresville, North Carolina |
Standard | 2013-06-19 | ValidFAA registration status code V: Valid registration. All codes |
| N20516 | Cessna 172M |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2013-06-18 | ValidFAA registration status code V: Valid registration. All codes |
| N703SP | Cessna 172P |
Fixed-wing, single engine | Flightline LLC Lewes, Delaware |
Standard | 2013-06-18 | ValidFAA registration status code V: Valid registration. All codes |
| N8445L | Cessna 172I |
Fixed-wing, single engine | Co-owned owner Oregon |
Standard | 2013-06-18 | ValidFAA registration status code V: Valid registration. All codes |
| N55551 | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Oklahoma |
Standard | 2013-06-17 | ValidFAA registration status code V: Valid registration. All codes |
| N1187U | Cessna 172M |
Fixed-wing, single engine | Individual owner California |
Standard | 2013-06-14 | ValidFAA registration status code V: Valid registration. All codes |
| N5344D | Cessna 172N |
Fixed-wing, single engine | Airgo INC Centralia, Illinois |
Standard | 2013-06-14 | ValidFAA registration status code V: Valid registration. All codes |
| N8839D | Piper PA-22S-160 |
Fixed-wing, single engine | Individual owner Louisiana |
Standard | 2013-06-14 | ValidFAA registration status code V: Valid registration. All codes |
| N1169A | Piper PA-18-125 |
Fixed-wing, single engine | K-Air Service LLC Gakona, Alaska |
Restricted | 2013-06-13 | ValidFAA registration status code V: Valid registration. All codes |
| N43017 | Piper PA-28-151 |
Fixed-wing, single engine | Conn Farms INC Jeffersonville, Ohio |
Standard | 2013-06-13 | ValidFAA registration status code V: Valid registration. All codes |
| N61856 | Cessna 172M |
Fixed-wing, single engine | Paraclete Sky Adventures LLC Raeford, North Carolina |
Standard | 2013-06-13 | ValidFAA registration status code V: Valid registration. All codes |
| N7041G | Cessna 172K |
Fixed-wing, single engine | Individual owner North Dakota |
Standard | 2013-06-13 | ValidFAA registration status code V: Valid registration. All codes |
| N30PM | Mcreynolds RV-4 |
Fixed-wing, single engine | Individual owner South Dakota |
Experimental | 2013-06-12 | ValidFAA registration status code V: Valid registration. All codes |
| N7999G | Cessna 172L |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2013-06-10 | ValidFAA registration status code V: Valid registration. All codes |
| N91673 | Cessna 172M |
Fixed-wing, single engine | Individual owner California |
Standard | 2013-06-10 | ValidFAA registration status code V: Valid registration. All codes |
| N1756J | Piper PA-28-140 |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2013-06-06 | ValidFAA registration status code V: Valid registration. All codes |
| N20858 | Cessna 172M |
Fixed-wing, single engine | Vintage Flyers INC Napa, California |
Standard | 2013-06-06 | ValidFAA registration status code V: Valid registration. All codes |
| N54094 | Cessna 172P |
Fixed-wing, single engine | Mustang Sally Aviation LLC Camden, South Carolina |
Standard | 2013-06-06 | ValidFAA registration status code V: Valid registration. All codes |
| N3883Z | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Alaska |
Multiple | 2013-06-05 | ValidFAA registration status code V: Valid registration. All codes |
| N53759 | Cessna 172P |
Fixed-wing, single engine | Pacific Lease Elk Grove, California |
Standard | 2013-06-05 | ValidFAA registration status code V: Valid registration. All codes |
| N1411U | Cessna 172M |
Fixed-wing, single engine | Co-owned owner Indiana |
Standard | 2013-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N32204 | Piper PA-28-151 |
Fixed-wing, single engine | Flying Country Club INC Coal Valley, Illinois |
Standard | 2013-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N4455X | Piper PA-28-151 |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2013-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N83622 | Piper PA-18-150 |
Fixed-wing, single engine | Trans Crafts LLC Big Lake, Alaska |
Standard | 2013-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N9929P | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner New Mexico |
Standard | 2013-06-04 | ValidFAA registration status code V: Valid registration. All codes |
| N2EG | Garner TOOT |
Fixed-wing, single engine | Individual owner Nebraska |
Experimental | 2013-06-03 | ValidFAA registration status code V: Valid registration. All codes |
| N5877F | Piper PA-28-151 |
Fixed-wing, single engine | Individual owner Michigan |
Standard | 2013-06-03 | ValidFAA registration status code V: Valid registration. All codes |
| N5981S | Beech A23-19 |
Fixed-wing, single engine | Individual owner Virginia |
Standard | 2013-06-03 | ValidFAA registration status code V: Valid registration. All codes |
| N336RA | S.O.C.A.T.A. RALLYE 150 ST |
Fixed-wing, single engine | Individual owner Virginia |
Standard | 2013-05-31 | ValidFAA registration status code V: Valid registration. All codes |
| N4480R | Cessna 172M |
Fixed-wing, single engine | Southeastern Minnesota Flying Club INC Rochester, Minnesota |
Standard | 2013-05-30 | ValidFAA registration status code V: Valid registration. All codes |
| N78857 | Cessna 172K |
Fixed-wing, single engine | Individual owner Colorado |
Standard | 2013-05-29 | ValidFAA registration status code V: Valid registration. All codes |
| N922EA | Cessna 172M |
Fixed-wing, single engine | Individual owner Georgia |
Multiple | 2013-05-29 | ValidFAA registration status code V: Valid registration. All codes |
| N3155T | Cessna 177 |
Fixed-wing, single engine | Co-owned owner Montana |
Standard | 2013-05-28 | ValidFAA registration status code V: Valid registration. All codes |
| N317LB | Piper PA-28-140 |
Fixed-wing, single engine | Trail of 140 Tears LLC Bozeman, Montana |
Standard | 2013-05-28 | ValidFAA registration status code V: Valid registration. All codes |
| N43693 | Piper PA-28-151 |
Fixed-wing, single engine | Individual owner Vermont |
Standard | 2013-05-28 | ValidFAA registration status code V: Valid registration. All codes |
| N9690V | Cessna 172M |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2013-05-28 | ValidFAA registration status code V: Valid registration. All codes |
| N2112P | Piper PA-23 |
Fixed-wing, multi-engine | Individual owner Texas |
Standard | 2013-05-24 | 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 8, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.
