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 |
|---|---|---|---|---|---|---|
| N8339C | Piper PA-28-151 |
Fixed-wing, single engine | Individual owner Missouri |
Standard | 2025-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N8613V | Bellanca 7GCBC |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2025-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N88412 | Bellanca 7GCBC |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2025-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N9804W | Piper PA-28-140 |
Fixed-wing, single engine | Co-owned owner Florida |
Standard | 2025-07-30 | ValidFAA registration status code V: Valid registration. All codes |
| N11721 | Bellanca 7KCAB |
Fixed-wing, single engine | Individual owner New York |
Restricted | 2025-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N13TP | Cessna 172M |
Fixed-wing, single engine | Lehman Aviation LLC Remington, Indiana |
Standard | 2025-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N1844J | Piper PA-28-140 |
Fixed-wing, single engine | Co-owned owner Washington |
Standard | 2025-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N225CK | Omf OMF-100-160 |
Fixed-wing, single engine | G-Force Aviation LLC Surprise, Arizona |
Standard | 2025-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N26KS | Schreiber Kenneth W VANS RV6A |
Fixed-wing, single engine | Mrd Aero LLC Manheim, Pennsylvania |
Experimental | 2025-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N320SH | Piper PA-18A |
Fixed-wing, single engine | Co-owned owner Alaska |
Standard | 2025-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N32790 | Piper PA-28-151 |
Fixed-wing, single engine | N32790 LLC Avilla, Indiana |
Standard | 2025-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N3773X | Aero Commander 100 |
Fixed-wing, single engine | Ferris David L Kerrville, Texas |
Standard | 2025-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N3912X | Piper PA-28-140 |
Fixed-wing, single engine | N3912X Holdings LLC Sarasota, Florida |
Standard | 2025-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N3935K | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Wisconsin |
Standard | 2025-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N3971P | Piper PA-18A 150 |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2025-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N4356J | Piper PA-28-140 |
Fixed-wing, single engine | Co-owned owner Idaho |
Standard | 2025-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N5933D | Piper PA-22-150 |
Fixed-wing, single engine | Co-owned owner North Dakota |
Standard | 2025-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N733XK | Cessna 172N |
Fixed-wing, single engine | Co-owned owner Massachusetts |
Multiple | 2025-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N7471R | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N7508R | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Kansas |
Standard | 2025-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N8775N | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N140JF | Piper PA-28-140 |
Fixed-wing, single engine | Meriden Aviation Center LLC Meriden, Connecticut |
Standard | 2025-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N3905Q | Cessna 172L |
Fixed-wing, single engine | H&H Cloudbase Aviation LLC Carlsbad, California |
Standard | 2025-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N5825T | Piper PA-28-150 |
Fixed-wing, single engine | Individual owner New Mexico |
Standard | 2025-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N61567 | Cessna 172M |
Fixed-wing, single engine | Enzyme Holdings LLC Wilmington, Delaware |
Standard | 2025-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N7290J | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner California |
Standard | 2025-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N78349 | Cessna 172K |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2025-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N2368Z | Beech 23 |
Fixed-wing, single engine | Jpk Aviation LLC Bowling Green, Kentucky |
Standard | 2025-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N5445W | Piper PA-28-160 |
Fixed-wing, single engine | Individual owner Wisconsin |
Standard | 2025-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N6049D | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2025-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N735FL | Piper PA-28-140 |
Fixed-wing, single engine | International Air Services INC Trustee Carson City, Nevada |
Standard | 2025-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N737XS | Cessna 172N |
Fixed-wing, single engine | University of Maryland Eastern Shore Princess Anne, Maryland |
Standard | 2025-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N94VF | Frazier Vincent A FRAZIER RV-4 |
Fixed-wing, single engine | Individual owner Mississippi |
Experimental | 2025-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N99697 | Cessna 172P |
Fixed-wing, single engine | Sky High Leasing Services LLC Lakeland, Florida |
Standard | 2025-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N13HR | Robinson Helicopter R22 ALPHA |
Helicopter | South Florida Helicopters INC Indiantown, Florida |
Standard | 2025-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N23859 | Beech B19 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2025-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N2585S | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2025-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N40903 | Piper PA-28-151 |
Fixed-wing, single engine | Boyer Aviation LLC Kiel, Wisconsin |
Standard | 2025-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N4379W | Robinson Helicopter R22 |
Helicopter | South Florida Helicopters INC Indiantown, Florida |
Standard | 2025-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N7132Q | Cessna 172L |
Fixed-wing, single engine | Aero Quest LLC Olive Branch, Mississippi |
Standard | 2025-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N7366D | Cessna 172N |
Fixed-wing, single engine | Mh Aviation INC Lancaster, California |
Standard | 2025-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N80025 | Robinson Helicopter R22 BETA |
Helicopter | South Florida Helicopters INC Indiantown, Florida |
Standard | 2025-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N9642S | Champion 7GCBC |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-07-24 | ValidFAA registration status code V: Valid registration. All codes |
| N14033 | Piper PA-28-140 |
Fixed-wing, single engine | Nomadic Flight Training LLC New Castle, Delaware |
Standard | 2025-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N3038L | Piper PA-28-161 |
Fixed-wing, single engine | Region Flyers LLC Valparaiso, Indiana |
Standard | 2025-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N4323Q | Cessna 172L |
Fixed-wing, single engine | Wausau Flying Service INC Wausau, Wisconsin |
Standard | 2025-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N4521R | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Missouri |
Standard | 2025-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N52AA | Beech B19 |
Fixed-wing, single engine | Individual owner California |
Standard | 2025-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N5827D | Piper PA-22-150 |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2025-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N61677 | Cessna 172M |
Fixed-wing, single engine | Morcom Aviation Services INC DBA Everett, Washington |
Standard | 2025-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N6385W | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner West Virginia |
Standard | 2025-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N68504 | Bellanca 7GCBC |
Fixed-wing, single engine | US Liberty Holdings LLC Caldwell, Idaho |
Restricted | 2025-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N79028 | Cessna 172K |
Fixed-wing, single engine | Jdc Aviation LLC Upland, California |
Standard | 2025-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N8979D | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Alaska |
Multiple | 2025-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N95CP | Cessna 172M |
Fixed-wing, single engine | Co-owned owner North Carolina |
Multiple | 2025-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N1331T | Piper PA-28-140 |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2025-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N1545J | Piper PA-28-140 |
Fixed-wing, single engine | Co-owned owner Missouri |
Standard | 2025-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N221HL | Robinson Helicopter R22 BETA |
Helicopter | South Florida Helicopters INC Indiantown, Florida |
Standard | 2025-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N35672 | Cessna 172I |
Fixed-wing, single engine | Leaseair LLC Wilmington, Delaware |
Standard | 2025-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N4347H | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N5137M | Beech B19 |
Fixed-wing, single engine | Future Pilots of America Flight Academy LLC Baxley, Georgia |
Standard | 2025-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N5319X | Piper PA-28-161 |
Fixed-wing, single engine | Meadowlake Aviation LLC Lenoir City, Tennessee |
Standard | 2025-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N55320 | Cessna 172P |
Fixed-wing, single engine | Dragon Flight Training Academy LLC Pembroke Pines, Florida |
Standard | 2025-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N6145W | Piper PA-28-140 |
Fixed-wing, single engine | Standard | 2025-07-22 | ValidFAA registration status code V: Valid registration. All codes | |
| N64186 | Cessna 172M |
Fixed-wing, single engine | Paraloft LLC Mims, Florida |
Standard | 2025-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N739YZ | Cessna 172N |
Fixed-wing, single engine | Socal Aviation INC Chino, California |
Standard | 2025-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N909VC | Cessna 172M |
Fixed-wing, single engine | San Bernardino Community College District San Bernardino, California |
Standard | 2025-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N44690 | Piper PA-28-151 |
Fixed-wing, single engine | H&M Air LLC Metamora, Michigan |
Standard | 2025-07-19 | ValidFAA registration status code V: Valid registration. All codes |
| N6147H | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner California |
Standard | 2025-07-19 | ValidFAA registration status code V: Valid registration. All codes |
| N7759W | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-07-19 | ValidFAA registration status code V: Valid registration. All codes |
| N737PM | Cessna 172N |
Fixed-wing, single engine | Socal Aviation INC Chino, California |
Standard | 2025-07-16 | ValidFAA registration status code V: Valid registration. All codes |
| N739AT | Cessna 172N |
Fixed-wing, single engine | Socal Aviation INC Chino, California |
Standard | 2025-07-16 | ValidFAA registration status code V: Valid registration. All codes |
| N2397L | Beech 23 |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2025-07-15 | ValidFAA registration status code V: Valid registration. All codes |
| N3298T | Cessna 177 |
Fixed-wing, single engine | 515 Aviation LLC Dexter, Iowa |
Standard | 2025-07-15 | ValidFAA registration status code V: Valid registration. All codes |
| N46621 | Cessna 172K |
Fixed-wing, single engine | Lake Clark Holdings LLC Port Alsworth, Alaska |
Standard | 2025-07-15 | ValidFAA registration status code V: Valid registration. All codes |
| N4842T | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Nevada |
Standard | 2025-07-15 | ValidFAA registration status code V: Valid registration. All codes |
| N5708U | Piper PA-28-140 |
Fixed-wing, single engine | Fwj Aviation LLC Crown Point, Indiana |
Standard | 2025-07-15 | ValidFAA registration status code V: Valid registration. All codes |
| N59T | Turner Jerry D RV-6 |
Fixed-wing, single engine | Individual owner Texas |
Experimental | 2025-07-15 | ValidFAA registration status code V: Valid registration. All codes |
| N6051L | American AA-5 |
Fixed-wing, single engine | Co-owned owner Texas |
Standard | 2025-07-15 | ValidFAA registration status code V: Valid registration. All codes |
| N7539R | Piper PA-28-180 |
Fixed-wing, single engine | Individual owner Oregon |
Standard | 2025-07-15 | ValidFAA registration status code V: Valid registration. All codes |
| N9936W | Piper PA-28-140 |
Fixed-wing, single engine | Brown Thrasher Aero LLC Midland, Georgia |
Standard | 2025-07-15 | ValidFAA registration status code V: Valid registration. All codes |
| N15914 | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Colorado |
Standard | 2025-07-14 | ValidFAA registration status code V: Valid registration. All codes |
| N4170J | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-07-14 | ValidFAA registration status code V: Valid registration. All codes |
| N4494F | Piper PA-23-160 |
Fixed-wing, multi-engine | Bella'S Business LLC Kalispell, Montana |
Standard | 2025-07-14 | ValidFAA registration status code V: Valid registration. All codes |
| N5162F | Cessna 172N |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2025-07-14 | ValidFAA registration status code V: Valid registration. All codes |
| N6915Q | Beech A23-19 |
Fixed-wing, single engine | Individual owner Arizona |
Limited | 2025-07-14 | ValidFAA registration status code V: Valid registration. All codes |
| N3142T | Cessna 177 |
Fixed-wing, single engine | Tri State Airmotive LLC Berryville, Arkansas |
Standard | 2025-07-11 | ValidFAA registration status code V: Valid registration. All codes |
| N4121Z | Piper PA-18 |
Fixed-wing, single engine | Visionary Adventures LLC Anchorage, Alaska |
Restricted | 2025-07-11 | ValidFAA registration status code V: Valid registration. All codes |
| N70340 | Cessna 172M |
Fixed-wing, single engine | Wings Over Texas Holdings LLC Denton, Texas |
Standard | 2025-07-11 | ValidFAA registration status code V: Valid registration. All codes |
| N1541U | Cessna 172M |
Fixed-wing, single engine | Wings Over Texas Holdings LLC Denton, Texas |
Standard | 2025-07-10 | ValidFAA registration status code V: Valid registration. All codes |
| N272FD | Piper PA-28-140 |
Fixed-wing, single engine | Fly Dynasty CORP Ocala, Florida |
Standard | 2025-07-10 | ValidFAA registration status code V: Valid registration. All codes |
| N3302Z | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2025-07-10 | ValidFAA registration status code V: Valid registration. All codes |
| N4748A | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2025-07-10 | ValidFAA registration status code V: Valid registration. All codes |
| N50208 | Cessna 172M |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-07-10 | ValidFAA registration status code V: Valid registration. All codes |
| N54715 | Cessna 172P |
Fixed-wing, single engine | Apt Aero LLC Port Angeles, Washington |
Standard | 2025-07-10 | ValidFAA registration status code V: Valid registration. All codes |
| N7200L | American AA-5 |
Fixed-wing, single engine | Individual owner Tennessee |
Standard | 2025-07-10 | ValidFAA registration status code V: Valid registration. All codes |
| N9885U | Grumman American Avn. Corp. AA-5A |
Fixed-wing, single engine | Individual owner New York |
Standard | 2025-07-10 | ValidFAA registration status code V: Valid registration. All codes |
| N99243 | Cessna 172P |
Fixed-wing, single engine | Wings Over Texas Holdings LLC Denton, Texas |
Standard | 2025-07-10 | ValidFAA registration status code V: Valid registration. All codes |
| N5843W | Piper PA-28-150 |
Fixed-wing, single engine | Skyunityventures LLC Richmond Hill, New York |
Standard | 2025-07-09 | ValidFAA registration status code V: Valid registration. All codes |
| N7231J | Piper PA-28-140 |
Fixed-wing, single engine | Mcflight Aviation LLC Highland, Utah |
Standard | 2025-07-09 | 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.
