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 2,350 of these aircraft
- California 2,123 of these aircraft
- Florida 2,076 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
These connections as data: /graph/engine/lycoming-o-320-series.json · about the eFlight graph.
Aircraft newest certificates first · 27,315
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N7609F | Cessna 172N |
Fixed-wing, single engine | Co-owned owner Montana |
Standard | 2025-05-14 | ValidFAA registration status code V: Valid registration. All codes |
| N8756C | Piper PA-28-151 |
Fixed-wing, single engine | Dt Aviation LLC Ontario, California |
Standard | 2025-05-14 | ValidFAA registration status code V: Valid registration. All codes |
| N9874W | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2025-05-14 | ValidFAA registration status code V: Valid registration. All codes |
| N9898U | Grumman American Avn. Corp. AA-5A |
Fixed-wing, single engine | Co-owned owner Ohio |
Standard | 2025-05-14 | ValidFAA registration status code V: Valid registration. All codes |
| N10HF | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2025-05-13 | ValidFAA registration status code V: Valid registration. All codes |
| N2575U | Piper PA-28-161 |
Fixed-wing, single engine | Cavu Aircraft LLC Salisbury, North Carolina |
Standard | 2025-05-13 | ValidFAA registration status code V: Valid registration. All codes |
| N739YE | Cessna 172N |
Fixed-wing, single engine | Sundance Air Services INC Alameda, California |
Standard | 2025-05-13 | ValidFAA registration status code V: Valid registration. All codes |
| N747L | A Pair Of Jacks RV-6A |
Fixed-wing, single engine | Experimental | 2025-05-13 | ValidFAA registration status code V: Valid registration. All codes | |
| N91553 | Cessna 172M |
Fixed-wing, single engine | Individual owner Massachusetts |
Standard | 2025-05-13 | ValidFAA registration status code V: Valid registration. All codes |
| N9761W | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner New York |
Standard | 2025-05-13 | ValidFAA registration status code V: Valid registration. All codes |
| N98226 | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2025-05-13 | ValidFAA registration status code V: Valid registration. All codes |
| N34SF | Piper PA-18A |
Fixed-wing, single engine | Co-owned owner Oklahoma |
Standard | 2025-05-12 | ValidFAA registration status code V: Valid registration. All codes |
| N7114D | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Oregon |
Standard | 2025-05-12 | ValidFAA registration status code V: Valid registration. All codes |
| N7894C | Piper PA-28-151 |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2025-05-12 | ValidFAA registration status code V: Valid registration. All codes |
| N922CT | Roberts James C LONG-EZ |
Fixed-wing, single engine | Sweptwing Holdings LLC Houston, Texas |
Experimental | 2025-05-12 | ValidFAA registration status code V: Valid registration. All codes |
| N9961V | Cessna 172M |
Fixed-wing, single engine | Ck Leasing Services LLC Wilmington, Delaware |
Standard | 2025-05-12 | ValidFAA registration status code V: Valid registration. All codes |
| N614AC | American Champion Aircraft 7GCAA |
Fixed-wing, single engine | Lawless Aviation LLC Fishers, Indiana |
Standard | 2025-05-11 | ValidFAA registration status code V: Valid registration. All codes |
| N7965H | Piper PA-12 |
Fixed-wing, single engine | Individual owner Alabama |
Multiple | 2025-05-10 | ValidFAA registration status code V: Valid registration. All codes |
| N2371T | Piper PA-28-140 |
Fixed-wing, single engine | Co-owned owner South Carolina |
Standard | 2025-05-09 | ValidFAA registration status code V: Valid registration. All codes |
| N2375Q | Beech 23 |
Fixed-wing, single engine | Taxes Suck LLC Orlando, Florida |
Standard | 2025-05-09 | ValidFAA registration status code V: Valid registration. All codes |
| N3045Z | Piper PA-22-160 |
Fixed-wing, single engine | Individual owner Maryland |
Standard | 2025-05-09 | ValidFAA registration status code V: Valid registration. All codes |
| N3100 | Pitts Special S-1C |
Fixed-wing, single engine | Individual owner California |
Experimental | 2025-05-09 | ValidFAA registration status code V: Valid registration. All codes |
| N95376 | Piper PA-28-140 |
Fixed-wing, single engine | Team K Outfitters LLC Memphis, Missouri |
Standard | 2025-05-09 | ValidFAA registration status code V: Valid registration. All codes |
| N13552 | Cessna 172M |
Fixed-wing, single engine | Newton Property Leasing LLC Greene, Iowa |
Standard | 2025-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N1855J | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Oklahoma |
Standard | 2025-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N280PT | Piper PA-28-161 |
Fixed-wing, single engine | Azure Leasing LLC Oakdale, Pennsylvania |
Standard | 2025-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N3452K | Piper PA-28-140 |
Fixed-wing, single engine | Withheld at owner's request | Standard | 2025-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N3992Z | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Wyoming |
Standard | 2025-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N4346J | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner California |
Standard | 2025-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N4783 | Cochran-Stitts SA-11A |
Fixed-wing, single engine | Individual owner Arkansas |
Experimental | 2025-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N5479L | Grumman American Avn. Corp. AA-5 |
Fixed-wing, single engine | Liv4More LLC Ammon, Idaho |
Standard | 2025-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N607PT | Piper PA-28-161 |
Fixed-wing, single engine | Azure Leasing LLC Oakdale, Pennsylvania |
Standard | 2025-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N608PT | Piper PA-28-161 |
Fixed-wing, single engine | Azure Leasing LLC Oakdale, Pennsylvania |
Standard | 2025-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N7144R | Piper PA-28-140 |
Fixed-wing, single engine | Skyview LLC Omaha, Nebraska |
Standard | 2025-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N734LN | Nicholson Leroy BD4 |
Fixed-wing, single engine | Individual owner Pennsylvania |
Experimental | 2025-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N7457L | Piper PA-18-150 |
Fixed-wing, single engine | Piper Lover LLC Centennial, Colorado |
Standard | 2025-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N95419 | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner North Dakota |
Standard | 2025-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N9625S | Champion 7GCAA |
Fixed-wing, single engine | Individual owner West Virginia |
Standard | 2025-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N9754D | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2025-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N238SS | Todd Trueblood SUPER STOL XL |
Fixed-wing, single engine | Appling Aviation LLC Baxley, Georgia |
Experimental | 2025-05-07 | ValidFAA registration status code V: Valid registration. All codes |
| N32440 | Piper PA-28-151 |
Fixed-wing, single engine | Individual owner Alabama |
Standard | 2025-05-07 | ValidFAA registration status code V: Valid registration. All codes |
| N416RB | Starduster Too SA300 |
Fixed-wing, single engine | Individual owner California |
Experimental | 2025-05-07 | ValidFAA registration status code V: Valid registration. All codes |
| N4238F | Piper PA-28-151 |
Fixed-wing, single engine | Aviation Trust Company LLC Oklahoma City, Oklahoma |
Standard | 2025-05-07 | ValidFAA registration status code V: Valid registration. All codes |
| N5850U | Piper PA-28-140 |
Fixed-wing, single engine | Marfair LLC Freeport, Texas |
Standard | 2025-05-07 | ValidFAA registration status code V: Valid registration. All codes |
| N7026D | Piper PA-22-150 |
Fixed-wing, single engine | Sfcaa LLC Nashville, Tennessee |
Standard | 2025-05-07 | ValidFAA registration status code V: Valid registration. All codes |
| N733XL | Cessna 172N |
Fixed-wing, single engine | Airspeed Marketing LLC Phoenix, Arizona |
Standard | 2025-05-07 | ValidFAA registration status code V: Valid registration. All codes |
| N7539D | Piper PA-22-150 |
Fixed-wing, single engine | Eaa Chapter 99 INC Vero Beach, Florida |
Standard | 2025-05-07 | ValidFAA registration status code V: Valid registration. All codes |
| N813SS | Piper PA-28-151 |
Fixed-wing, single engine | Lake In the Hills Aviation LLC Algonquin, Illinois |
Standard | 2025-05-07 | ValidFAA registration status code V: Valid registration. All codes |
| N84832 | Cessna 172K |
Fixed-wing, single engine | Raven Canyon Aviation N84832 LLC Klamath Falls, Oregon |
Standard | 2025-05-07 | ValidFAA registration status code V: Valid registration. All codes |
| N186RA | American Champion Aircraft 7GCBC |
Fixed-wing, single engine | Big T Aviation LLC Wilmington, Delaware |
Standard | 2025-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N22205 | Cessna 172M |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2025-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N2223Q | Piper PA-28-161 |
Fixed-wing, single engine | Co-owned owner Kansas |
Standard | 2025-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N26896 | Gulfstream American Corp AA-5A |
Fixed-wing, single engine | Magnus Air Ct LLC Manchester, Connecticut |
Standard | 2025-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N32525 | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2025-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N4948G | Cessna 172N |
Fixed-wing, single engine | Trece INC Adair, Oklahoma |
Standard | 2025-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N649SA | Symphony Aircraft Ind Inc SA 160 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N6747H | Cessna 172M |
Fixed-wing, single engine | Aurora Skyhawks Portland, Oregon |
Standard | 2025-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N7211D | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Illinois |
Standard | 2025-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N9243H | Cessna 172M |
Fixed-wing, single engine | Seward Air Taxi LLC Seward, Alaska |
Standard | 2025-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N9391E | Cessna 172N |
Fixed-wing, single engine | Individual owner Nevada |
Standard | 2025-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N99981 | Cessna 172P |
Fixed-wing, single engine | Sky High Leasing Services LLC Lakeland, Florida |
Standard | 2025-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N4272Z | Piper PA-18-150 |
Fixed-wing, single engine | Lightning Leasing LLC Anchorage, Alaska |
Standard | 2025-05-05 | ValidFAA registration status code V: Valid registration. All codes |
| N5317H | Cessna 172M |
Fixed-wing, single engine | Hottel Cessna LLC Prescott, Arizona |
Standard | 2025-05-05 | ValidFAA registration status code V: Valid registration. All codes |
| N5461W | Piper PA-28-160 |
Fixed-wing, single engine | Individual owner Pennsylvania |
Standard | 2025-05-05 | ValidFAA registration status code V: Valid registration. All codes |
| N61822 | Cessna 172M |
Fixed-wing, single engine | Wings Over Texas Holdings LLC Denton, Texas |
Standard | 2025-05-05 | ValidFAA registration status code V: Valid registration. All codes |
| N734UP | Cessna 172N |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-05-05 | ValidFAA registration status code V: Valid registration. All codes |
| N8191X | Piper PA-28-161 |
Fixed-wing, single engine | A&J Aircraft Leasing INC Burlington, Colorado |
Standard | 2025-05-05 | ValidFAA registration status code V: Valid registration. All codes |
| N5243W | Piper PA-28 |
Fixed-wing, single engine | Individual owner Wyoming |
Standard | 2025-05-04 | ValidFAA registration status code V: Valid registration. All codes |
| N8806N | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2025-05-03 | ValidFAA registration status code V: Valid registration. All codes |
| N1027Y | Abbott Dudley L LEVITATOR |
Fixed-wing, single engine | Individual owner Montana |
Experimental | 2025-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N1159Y | Cessna 150B |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2025-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N1792J | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner New York |
Standard | 2025-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N2193P | Finicle Noel C RV-4 |
Fixed-wing, single engine | Individual owner Ohio |
Experimental | 2025-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N3444Z | Piper PA-22-160 |
Fixed-wing, single engine | Individual owner Illinois |
Standard | 2025-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N4365J | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner South Carolina |
Standard | 2025-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N44668 | Piper PA-28-151 |
Fixed-wing, single engine | Wolf Aviation Network INC Westfield, Massachusetts |
Standard | 2025-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N4621R | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner California |
Standard | 2025-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N71HH | Cessna 172L |
Fixed-wing, single engine | Eastern Slope Aviation Academy North Conway, New Hampshire |
Standard | 2025-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N7756D | Piper PA-22-150 |
Fixed-wing, single engine | Co-owned owner Alaska |
Standard | 2025-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N9131H | Cessna 172M |
Fixed-wing, single engine | Individual owner Virginia |
Standard | 2025-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N95369 | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Pennsylvania |
Standard | 2025-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N105JR | Piper PA-18-150 |
Fixed-wing, single engine | Co-owned owner Oklahoma |
Standard | 2025-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N116PC | American Champion Aircraft 7GCBC |
Fixed-wing, single engine | Global Piloting Solutions LLC Mankato, Minnesota |
Standard | 2025-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N15759 | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Indiana |
Standard | 2025-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N1610G | Champion 7GCBC |
Fixed-wing, single engine | Co-owned owner Alaska |
Standard | 2025-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N3475E | Cessna 172N |
Fixed-wing, single engine | Individual owner California |
Standard | 2025-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N42811 | Piper PA-28-151 |
Fixed-wing, single engine | Individual owner California |
Standard | 2025-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N4660Y | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2025-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N551JH | Piper PA-28-140 |
Fixed-wing, single engine | N551Jh Sky Holdings LLC Grand Ledge, Michigan |
Standard | 2025-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N733KG | Cessna 172N |
Fixed-wing, single engine | Nesher Aviation LLC Jacksonville, Florida |
Standard | 2025-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N9005L | Champion 7GCAA |
Fixed-wing, single engine | Colorado Twin Bonanza LLC Broomfield, Colorado |
Standard | 2025-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N123SF | American Champion Aircraft 7GCAA |
Fixed-wing, single engine | Individual owner Oregon |
Standard | 2025-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N2310Q | Beech 23 |
Fixed-wing, single engine | Individual owner California |
Standard | 2025-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N2879X | Cessna 177 |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2025-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N32191 | Piper PA-28-151 |
Fixed-wing, single engine | Czyszczon Aviation LLC St Pete Beach, Florida |
Standard | 2025-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N5554W | Piper PA-28-160 |
Fixed-wing, single engine | Flyworx LLC Kalispell, Montana |
Standard | 2025-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N9274H | Cessna 172M |
Fixed-wing, single engine | Wings Over Texas Holdings LLC Denton, Texas |
Standard | 2025-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N221KL | Cessna 172M |
Fixed-wing, single engine | Mather Don Sandusky, Ohio |
Standard | 2025-04-29 | ValidFAA registration status code V: Valid registration. All codes |
| N3676X | Aero Commander 100 |
Fixed-wing, single engine | Individual owner Kentucky |
Standard | 2025-04-29 | ValidFAA registration status code V: Valid registration. All codes |
| N42477 | Piper PA-28-151 |
Fixed-wing, single engine | Individual owner California |
Standard | 2025-04-29 | 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 7, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.
