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 |
|---|---|---|---|---|---|---|
| N77JT | Thomson John P RV6-A |
Fixed-wing, single engine | Individual owner Texas |
Experimental | 2014-10-15 | ValidFAA registration status code V: Valid registration. All codes |
| N54951 | Cessna 172P |
Fixed-wing, single engine | Skylens LLC Hammond, Louisiana |
Standard | 2014-10-14 | ValidFAA registration status code V: Valid registration. All codes |
| N55211 | Cessna 172P |
Fixed-wing, single engine | Skylens LLC Hammond, Louisiana |
Standard | 2014-10-14 | ValidFAA registration status code V: Valid registration. All codes |
| N62332 | Cessna 172P |
Fixed-wing, single engine | Skylens LLC Hammond, Louisiana |
Standard | 2014-10-14 | ValidFAA registration status code V: Valid registration. All codes |
| N84151 | Cessna 172K |
Fixed-wing, single engine | Individual owner Indiana |
Standard | 2014-10-14 | ValidFAA registration status code V: Valid registration. All codes |
| N9036D | Piper PA-22-160 |
Fixed-wing, single engine | Individual owner South Dakota |
Standard | 2014-10-14 | ValidFAA registration status code V: Valid registration. All codes |
| N914Z | Cessna 172M |
Fixed-wing, single engine | Skylens LLC Hammond, Louisiana |
Standard | 2014-10-14 | ValidFAA registration status code V: Valid registration. All codes |
| N9720V | Cessna 172M |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2014-10-14 | ValidFAA registration status code V: Valid registration. All codes |
| N20155 | Cessna 172M |
Fixed-wing, single engine | Wild Wingdom LLC Greenville, South Carolina |
Standard | 2014-10-10 | ValidFAA registration status code V: Valid registration. All codes |
| N6168Y | Clement James WITTMAN TAILWIND W10 |
Fixed-wing, single engine | Co-owned owner California |
Experimental | 2014-10-10 | ValidFAA registration status code V: Valid registration. All codes |
| N6893F | Piper PA-28-151 |
Fixed-wing, single engine | Aligence Air LLC Spring Hill, Florida |
Standard | 2014-10-10 | ValidFAA registration status code V: Valid registration. All codes |
| N74PP | Cessna 177 |
Fixed-wing, single engine | Co-owned owner Iowa |
Standard | 2014-10-10 | ValidFAA registration status code V: Valid registration. All codes |
| N1921F | Cessna 172N |
Fixed-wing, single engine | State of Iowa Iowa City, Iowa |
Standard | 2014-10-09 | ValidFAA registration status code V: Valid registration. All codes |
| N5396E | Cessna 172N |
Fixed-wing, single engine | Sorbi Aviation INC El Cajon, California |
Standard | 2014-10-09 | ValidFAA registration status code V: Valid registration. All codes |
| N64RV | Cook Kenneth Franklin Jr RV-4 |
Fixed-wing, single engine | N64Rv LLC Tahlequah, Oklahoma |
Multiple | 2014-10-09 | ValidFAA registration status code V: Valid registration. All codes |
| N710CB | Brashear Bobby B. WITTMAN TAILWIND |
Fixed-wing, single engine | Individual owner North Carolina |
Experimental | 2014-10-09 | ValidFAA registration status code V: Valid registration. All codes |
| N141WA | Piper PA-28-161 |
Fixed-wing, single engine | Co-owned owner Florida |
Standard | 2014-10-08 | ValidFAA registration status code V: Valid registration. All codes |
| N2716P | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner New York |
Standard | 2014-10-08 | ValidFAA registration status code V: Valid registration. All codes |
| N3962K | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Maryland |
Standard | 2014-10-08 | ValidFAA registration status code V: Valid registration. All codes |
| N4437X | Piper PA-28-140 |
Fixed-wing, single engine | Marianas Air Transfer INC Saipan, Northern Mariana Islands |
Multiple | 2014-10-08 | ValidFAA registration status code V: Valid registration. All codes |
| N5331F | Piper PA-28-140 |
Fixed-wing, single engine | George Walker Field INC Bedminster, New Jersey |
Standard | 2014-10-08 | ValidFAA registration status code V: Valid registration. All codes |
| N2834Q | Cessna 172L |
Fixed-wing, single engine | Harford Flying Club INC Kingsville, Maryland |
Standard | 2014-10-07 | ValidFAA registration status code V: Valid registration. All codes |
| N5939W | Piper PA-28-150 |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2014-10-07 | ValidFAA registration status code V: Valid registration. All codes |
| N6601H | Cessna 172M |
Fixed-wing, single engine | Canby Pilots Club INC Canby, Minnesota |
Standard | 2014-10-07 | ValidFAA registration status code V: Valid registration. All codes |
| N84194 | Cessna 172K |
Fixed-wing, single engine | Ultra Aviation LLC Cedar Bluff, Virginia |
Standard | 2014-10-07 | ValidFAA registration status code V: Valid registration. All codes |
| N26997 | Gulfstream American Corp AA-5A |
Fixed-wing, single engine | Individual owner Oklahoma |
Standard | 2014-10-06 | ValidFAA registration status code V: Valid registration. All codes |
| N36DS | Cessna 172K |
Fixed-wing, single engine | Up and Up Aviation LLC Spring, Texas |
Standard | 2014-10-06 | ValidFAA registration status code V: Valid registration. All codes |
| N5424J | Cessna 172N |
Fixed-wing, single engine | Individual owner California |
Standard | 2014-10-06 | ValidFAA registration status code V: Valid registration. All codes |
| N7099Q | Cessna 172L |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2014-10-03 | ValidFAA registration status code V: Valid registration. All codes |
| N3426D | Cessna 172M |
Fixed-wing, single engine | Co-owned owner Kansas |
Standard | 2014-10-02 | ValidFAA registration status code V: Valid registration. All codes |
| N7676G | Cessna 172L |
Fixed-wing, single engine | Co-owned owner Idaho |
Standard | 2014-10-02 | ValidFAA registration status code V: Valid registration. All codes |
| N172SX | Cessna 172N |
Fixed-wing, single engine | Personal Aviation INC Poway, California |
Standard | 2014-10-01 | ValidFAA registration status code V: Valid registration. All codes |
| N323FS | Cessna 172P |
Fixed-wing, single engine | Fredericks Hall Aviation LLC Mineral, Virginia |
Standard | 2014-10-01 | ValidFAA registration status code V: Valid registration. All codes |
| N3367P | Piper PA-23-160 |
Fixed-wing, multi-engine | Co-owned owner Texas |
Standard | 2014-10-01 | ValidFAA registration status code V: Valid registration. All codes |
| N36603 | Piper PA-28-161 |
Fixed-wing, single engine | J&J Holdings of Pella LLC Pella, Iowa |
Standard | 2014-10-01 | ValidFAA registration status code V: Valid registration. All codes |
| N8155N | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Montana |
Standard | 2014-10-01 | ValidFAA registration status code V: Valid registration. All codes |
| N21455 | Cessna 172M |
Fixed-wing, single engine | Individual owner Louisiana |
Standard | 2014-09-30 | ValidFAA registration status code V: Valid registration. All codes |
| N62429 | Cessna 172P |
Fixed-wing, single engine | Individual owner Missouri |
Standard | 2014-09-30 | ValidFAA registration status code V: Valid registration. All codes |
| N12625 | Cessna 172M |
Fixed-wing, single engine | Tnt Airworks LLC Hibbing, Minnesota |
Standard | 2014-09-29 | ValidFAA registration status code V: Valid registration. All codes |
| N54531 | Cessna 172P |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2014-09-29 | ValidFAA registration status code V: Valid registration. All codes |
| N73468 | Cessna 172M |
Fixed-wing, single engine | Tnt Airworks LLC Hibbing, Minnesota |
Standard | 2014-09-29 | ValidFAA registration status code V: Valid registration. All codes |
| N12440 | Cessna 172M |
Fixed-wing, single engine | Bill Myer Services INC Friday Harbor, Washington |
Standard | 2014-09-26 | ValidFAA registration status code V: Valid registration. All codes |
| N52012 | Cessna 172P |
Fixed-wing, single engine | Skylens LLC Hammond, Louisiana |
Standard | 2014-09-25 | ValidFAA registration status code V: Valid registration. All codes |
| N54739 | Cessna 172P |
Fixed-wing, single engine | Skylens LLC Hammond, Louisiana |
Standard | 2014-09-25 | ValidFAA registration status code V: Valid registration. All codes |
| N7178Q | Cessna 172L |
Fixed-wing, single engine | Skylens LLC Hammond, Louisiana |
Standard | 2014-09-25 | ValidFAA registration status code V: Valid registration. All codes |
| N7249Q | Cessna 172L |
Fixed-wing, single engine | Trailgate Tailgate Systems INC Belle Vernon, Pennsylvania |
Standard | 2014-09-25 | ValidFAA registration status code V: Valid registration. All codes |
| N1236U | Cessna 172M |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2014-09-24 | ValidFAA registration status code V: Valid registration. All codes |
| N7221C | Piper PA-28-151 |
Fixed-wing, single engine | Ptg LLC Princeton Junction, New Jersey |
Standard | 2014-09-24 | ValidFAA registration status code V: Valid registration. All codes |
| N4036E | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Montana |
Standard | 2014-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N4380X | Piper PA-28-140 |
Fixed-wing, single engine | Easterly Land and Cattle INC Sidney, Nebraska |
Standard | 2014-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N4632R | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2014-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N6610 | Pitts Special S-1C |
Fixed-wing, single engine | Seyour Lori L Woodstock, Georgia |
Experimental | 2014-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N734PD | Cessna 172N |
Fixed-wing, single engine | S Squared Aircraft LLC Lewes, Delaware |
Standard | 2014-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N1128U | Cessna 172M |
Fixed-wing, single engine | Elw INC Bonners Ferry, Idaho |
Standard | 2014-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N1462T | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Michigan |
Standard | 2014-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N26770 | Gulfstream American Corp AA-5A |
Fixed-wing, single engine | Co-owned owner Virginia |
Standard | 2014-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N6021Z | Piper PA-25 |
Fixed-wing, single engine | Aerial Banners INC Pembroke Pines, Florida |
Restricted | 2014-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N6999B | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Indiana |
Standard | 2014-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N82022 | Piper PA-18-150 |
Fixed-wing, single engine | Hard Luck Aviation LLC Tok, Alaska |
Restricted | 2014-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N28CR | Bauman/Vogt GLASAIR II RG |
Fixed-wing, single engine | Individual owner Delaware |
Experimental | 2014-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N7800D | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2014-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N1489E | Cessna 172N |
Fixed-wing, single engine | Wings Over Water INC Minneapolis, Minnesota |
Standard | 2014-09-17 | ValidFAA registration status code V: Valid registration. All codes |
| N3704Z | Piper PA-22-160 |
Fixed-wing, single engine | Co-owned owner Illinois |
Standard | 2014-09-17 | ValidFAA registration status code V: Valid registration. All codes |
| N5059K | Bellanca 7GCAA |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2014-09-17 | ValidFAA registration status code V: Valid registration. All codes |
| N8755M | Beech 23 |
Fixed-wing, single engine | Individual owner South Dakota |
Standard | 2014-09-17 | ValidFAA registration status code V: Valid registration. All codes |
| N226DC | Crocker Donald E RV6A |
Fixed-wing, single engine | Hillman/Schroder Air LLC Tucson, Arizona |
Experimental | 2014-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N3582K | Piper PA-28-140 |
Fixed-wing, single engine | Pine Point Aviation LLC Sartell, Minnesota |
Standard | 2014-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N4400Z | Piper PA-18-150 |
Fixed-wing, single engine | Talon Air Service INC Soldotna, Alaska |
Standard | 2014-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N54179 | Cessna 172P |
Fixed-wing, single engine | Individual owner California |
Standard | 2014-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N627W | Greener Robert VANS RV-6A |
Fixed-wing, single engine | Galt Aerospace LLC Ann Arbor, Michigan |
Experimental | 2014-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N6593A | Piper PA-18-150 |
Fixed-wing, single engine | Hard Luck Aviation LLC Tok, Alaska |
Multiple | 2014-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N12796 | Cessna 172M |
Fixed-wing, single engine | Skylens LLC Hammond, Louisiana |
Standard | 2014-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N2103W | Beech C23 |
Fixed-wing, single engine | Goold Michael D Fort Worth, Texas |
Standard | 2014-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N381MG | Cessna 172M |
Fixed-wing, single engine | Missionary Air Group INC Burlington, North Carolina |
Standard | 2014-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N53087 | Cessna 172P |
Fixed-wing, single engine | Colorado North Western Community College Rangely, Colorado |
Standard | 2014-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N172G | Cessna 172N |
Fixed-wing, single engine | Superhawk INC Casselton, North Dakota |
Standard | 2014-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N79969 | Cessna 172K |
Fixed-wing, single engine | Individual owner New Mexico |
Standard | 2014-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N91GG | Gunn Gary RV-6 |
Fixed-wing, single engine | Co-owned owner Kentucky |
Experimental | 2014-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N1470U | Cessna 172M |
Fixed-wing, single engine | Scientific Aerial Imaging INC Saint Helena, California |
Standard | 2014-09-11 | ValidFAA registration status code V: Valid registration. All codes |
| N7139G | Cessna 172K |
Fixed-wing, single engine | Skysg LLC Eugene, Oregon |
Restricted | 2014-09-11 | ValidFAA registration status code V: Valid registration. All codes |
| N3765Z | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Alaska |
Restricted | 2014-09-10 | ValidFAA registration status code V: Valid registration. All codes |
| N7619G | Cessna 172L |
Fixed-wing, single engine | Mercer Aviators INC Princeton, West Virginia |
Standard | 2014-09-10 | ValidFAA registration status code V: Valid registration. All codes |
| N120LM | Mckone Laurel A VANS RV9A |
Fixed-wing, single engine | Individual owner Washington |
Experimental | 2014-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N489ER | Cessna 172N |
Fixed-wing, single engine | Individual owner California |
Standard | 2014-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N6239F | Cessna 172N |
Fixed-wing, single engine | Co-owned owner Texas |
Standard | 2014-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N737CQ | Cessna 172N |
Fixed-wing, single engine | Do Aviation LLC Elgin, South Carolina |
Standard | 2014-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N8077E | Cessna 172N |
Fixed-wing, single engine | Sws Aviation Services INC Titusville, Florida |
Standard | 2014-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N9036L | Champion 7GCBC |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2014-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N8139N | Perucca James R RV-4 |
Fixed-wing, single engine | Individual owner Alaska |
Experimental | 2014-09-04 | ValidFAA registration status code V: Valid registration. All codes |
| N44704 | Piper PA-28-151 |
Fixed-wing, single engine | Harper Air LLC Evans, Georgia |
Standard | 2014-09-03 | ValidFAA registration status code V: Valid registration. All codes |
| N9508D | Piper PA-22-160 |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2014-09-03 | ValidFAA registration status code V: Valid registration. All codes |
| N6750H | Cessna 172M |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2014-09-02 | ValidFAA registration status code V: Valid registration. All codes |
| N9638V | Cessna 172M |
Fixed-wing, single engine | Crazy Aces LLC St George, Utah |
Standard | 2014-09-02 | ValidFAA registration status code V: Valid registration. All codes |
| N47699 | Piper PA-28-161 |
Fixed-wing, single engine | Co-owned owner Oklahoma |
Standard | 2014-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N6689W | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner New York |
Standard | 2014-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N74FA | Sawyer Robert J RV-4 |
Fixed-wing, single engine | Individual owner New Mexico |
Experimental | 2014-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N84332 | Cessna 172K |
Fixed-wing, single engine | Co-owned owner Texas |
Standard | 2014-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N1283U | Cessna 172M |
Fixed-wing, single engine | Individual owner New York |
Standard | 2014-08-28 | ValidFAA registration status code V: Valid registration. All codes |
| N21887 | Cessna 172M |
Fixed-wing, single engine | Individual owner New York |
Standard | 2014-08-28 | ValidFAA registration status code V: Valid registration. All codes |
| N3708Z | Piper PA-22-150 |
Fixed-wing, single engine | Co-owned owner Colorado |
Standard | 2014-08-28 | 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 9, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.
