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 |
|---|---|---|---|---|---|---|
| N4557T | Piper PA-28-140 |
Fixed-wing, single engine | Co-owned owner Kentucky |
Standard | 2025-03-08 | ValidFAA registration status code V: Valid registration. All codes |
| N5245K | Cessna 172P |
Fixed-wing, single engine | Perun Av LLC Cliffside Park, New Jersey |
Standard | 2025-03-08 | ValidFAA registration status code V: Valid registration. All codes |
| N716DC | Francis J Kolo VANS RV4 |
Fixed-wing, single engine | Individual owner Illinois |
Experimental | 2025-03-08 | ValidFAA registration status code V: Valid registration. All codes |
| N7446R | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-03-08 | ValidFAA registration status code V: Valid registration. All codes |
| N187HD | Dewall Henry J RV4 |
Fixed-wing, single engine | Individual owner Oregon |
Experimental | 2025-03-07 | ValidFAA registration status code V: Valid registration. All codes |
| N3922P | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner New York |
Standard | 2025-03-07 | ValidFAA registration status code V: Valid registration. All codes |
| N40RG | Cessna 172M |
Fixed-wing, single engine | Dovy Aviation LLC Houston, Texas |
Standard | 2025-03-07 | ValidFAA registration status code V: Valid registration. All codes |
| N7854P | Piper PA-18-150 |
Fixed-wing, single engine | Sarpy Aviation LLC Hysham, Montana |
Standard | 2025-03-07 | ValidFAA registration status code V: Valid registration. All codes |
| N84642 | Cessna 172K |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-03-07 | ValidFAA registration status code V: Valid registration. All codes |
| N13185 | Cessna 172M |
Fixed-wing, single engine | Good Flight LLC Colchester, Connecticut |
Standard | 2025-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N131SC | Piper PA-18-150 |
Fixed-wing, single engine | Sum Livestock LLC Ekalaka, Montana |
Standard | 2025-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N2334Q | Beech 23 |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2025-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N2377L | Beech 23 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N2808U | Socata TAMPICO TB 9C |
Fixed-wing, single engine | Coastal Flight INC Half Moon Bay, California |
Standard | 2025-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N3065E | Cessna 172N |
Fixed-wing, single engine | 3065E LLC Westfield, Pennsylvania |
Standard | 2025-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N40806 | Piper PA-28-140 |
Fixed-wing, single engine | Sky Dream Flight School LLC Dallas, Georgia |
Standard | 2025-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N6516W | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N7114B | Piper PA-22-150 |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2025-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N734FD | Cessna 172N |
Fixed-wing, single engine | Jays Aircraft Maintenance INC Costa Mesa, California |
Standard | 2025-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N734PW | Cessna 172N |
Fixed-wing, single engine | Individual owner Colorado |
Standard | 2025-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N7616F | Piper PA-28-151 |
Fixed-wing, single engine | Co-owned owner Illinois |
Standard | 2025-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N8129F | Cessna 150F |
Fixed-wing, single engine | High Exposure INC Wilmington, Delaware |
Standard | 2025-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N8248N | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2025-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N8490L | Cessna 172I |
Fixed-wing, single engine | Mgg Aviation 2025 LLC Annandale, Minnesota |
Standard | 2025-03-06 | ValidFAA registration status code V: Valid registration. All codes |
| N1041Q | Piper PA-28-161 |
Fixed-wing, single engine | Swaz Aviation LLC Mesa, Arizona |
Standard | 2025-03-05 | ValidFAA registration status code V: Valid registration. All codes |
| N1684J | Piper PA-28-140 |
Fixed-wing, single engine | Jarriel Investments INC Register, Georgia |
Standard | 2025-03-05 | ValidFAA registration status code V: Valid registration. All codes |
| N2315T | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2025-03-05 | ValidFAA registration status code V: Valid registration. All codes |
| N2442E | Cessna 172N |
Fixed-wing, single engine | Executive Flyers INC Sacramento, California |
Standard | 2025-03-05 | ValidFAA registration status code V: Valid registration. All codes |
| N5843L | American AA-5 |
Fixed-wing, single engine | Maschek Scott Harker Heights, Texas |
Standard | 2025-03-05 | ValidFAA registration status code V: Valid registration. All codes |
| N6446D | Cessna 172N |
Fixed-wing, single engine | N2893E LLC Reno, Nevada |
Standard | 2025-03-05 | ValidFAA registration status code V: Valid registration. All codes |
| N738SH | Cessna 172N |
Fixed-wing, single engine | Raider Aviation LLC Lubbock, Texas |
Standard | 2025-03-05 | ValidFAA registration status code V: Valid registration. All codes |
| N74JP | Cessna 172M |
Fixed-wing, single engine | Gulf Coast Helicopters INC Pearland, Texas |
Standard | 2025-03-05 | ValidFAA registration status code V: Valid registration. All codes |
| N75799 | Cessna 172N |
Fixed-wing, single engine | Ocean Breeze Aviation INC Hollywood, Florida |
Standard | 2025-03-05 | ValidFAA registration status code V: Valid registration. All codes |
| N78123 | Cessna 172K |
Fixed-wing, single engine | Rrr3 LLC Midway, Florida |
Standard | 2025-03-05 | ValidFAA registration status code V: Valid registration. All codes |
| N8156R | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner California |
Standard | 2025-03-05 | ValidFAA registration status code V: Valid registration. All codes |
| N8941D | Piper PA-22-160 |
Fixed-wing, single engine | Co-owned owner North Carolina |
Standard | 2025-03-05 | ValidFAA registration status code V: Valid registration. All codes |
| N399AK | Koelling Arlen W VAN RV-9A |
Fixed-wing, single engine | Individual owner Idaho |
Experimental | 2025-03-04 | ValidFAA registration status code V: Valid registration. All codes |
| N4371Z | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2025-03-04 | ValidFAA registration status code V: Valid registration. All codes |
| N443DT | Todd Darrell M RV-4 |
Fixed-wing, single engine | Individual owner Texas |
Experimental | 2025-03-04 | ValidFAA registration status code V: Valid registration. All codes |
| N64617 | Cessna 172P |
Fixed-wing, single engine | Melbourne Flight Training LLC Melbourne, Florida |
Standard | 2025-03-04 | ValidFAA registration status code V: Valid registration. All codes |
| N738XL | Cessna 172N |
Fixed-wing, single engine | M&A Aviation LLC Vine Grove, Kentucky |
Standard | 2025-03-04 | ValidFAA registration status code V: Valid registration. All codes |
| N5033W | Bellanca 7GCBC |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2025-03-03 | ValidFAA registration status code V: Valid registration. All codes |
| N77ST | Piper PA-18-150 |
Fixed-wing, single engine | Jb AG Service LLC Colstrip, Montana |
Standard | 2025-03-03 | ValidFAA registration status code V: Valid registration. All codes |
| N78596 | Cessna 172K |
Fixed-wing, single engine | Individual owner New Jersey |
Standard | 2025-03-03 | ValidFAA registration status code V: Valid registration. All codes |
| N9505L | American AA-5 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-03-03 | ValidFAA registration status code V: Valid registration. All codes |
| N1646P | Piper PA-22 |
Fixed-wing, single engine | Gerigs Trucking and Leasing INC Hoagland, Indiana |
Standard | 2025-03-02 | ValidFAA registration status code V: Valid registration. All codes |
| N19949 | Cessna 172M |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2025-03-02 | ValidFAA registration status code V: Valid registration. All codes |
| N5559F | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Tennessee |
Standard | 2025-03-02 | ValidFAA registration status code V: Valid registration. All codes |
| N56558 | Piper PA-28-140 |
Fixed-wing, single engine | Onlyfly LLC Deltona, Florida |
Standard | 2025-03-02 | ValidFAA registration status code V: Valid registration. All codes |
| N739LV | Cessna 172N |
Fixed-wing, single engine | Centennial Aircraft LLC Boulder, Colorado |
Standard | 2025-03-02 | ValidFAA registration status code V: Valid registration. All codes |
| N8050E | Cessna 172N |
Fixed-wing, single engine | Perun Av LLC Cliffside Park, New Jersey |
Standard | 2025-03-02 | ValidFAA registration status code V: Valid registration. All codes |
| N20259 | Cessna 172M |
Fixed-wing, single engine | Individual owner California |
Standard | 2025-03-01 | ValidFAA registration status code V: Valid registration. All codes |
| N41580 | Piper PA-18-150 |
Fixed-wing, single engine | Eagle Racer LLC Boca Raton, Florida |
Standard | 2025-03-01 | ValidFAA registration status code V: Valid registration. All codes |
| N4357F | Piper PA-28-151 |
Fixed-wing, single engine | Individual owner Nevada |
Standard | 2025-03-01 | ValidFAA registration status code V: Valid registration. All codes |
| N8988V | Cessna 172M |
Fixed-wing, single engine | Co-owned owner Montana |
Standard | 2025-03-01 | ValidFAA registration status code V: Valid registration. All codes |
| N94000 | Cessna 172K |
Fixed-wing, single engine | Champion Aircraft LLC Valdosta, Georgia |
Standard | 2025-03-01 | ValidFAA registration status code V: Valid registration. All codes |
| N9786L | Cessna 172P |
Fixed-wing, single engine | Perun Av LLC Cliffside Park, New Jersey |
Standard | 2025-03-01 | ValidFAA registration status code V: Valid registration. All codes |
| N16434 | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner New York |
Standard | 2025-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N180NY | Cessna 172N |
Fixed-wing, single engine | N180Ny LLC Wainscott, New York |
Standard | 2025-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N2572U | Piper PA-28-161 |
Fixed-wing, single engine | Co-owned owner Pennsylvania |
Standard | 2025-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N26713 | Grumman American Avn. Corp. AA-5A |
Fixed-wing, single engine | N26713 LLC Gainesville, Georgia |
Standard | 2025-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N38954 | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner Alabama |
Standard | 2025-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N5466L | Grumman American Avn. Corp. AA-5 |
Fixed-wing, single engine | Co-owned owner Georgia |
Standard | 2025-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N555AK | Kimble James Austin LANCAIR 320 |
Fixed-wing, single engine | Busy Bee Helicopter LLC Paulding, Ohio |
Experimental | 2025-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N6718J | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Oklahoma |
Standard | 2025-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N7324D | Piper PA-22S-150 |
Fixed-wing, single engine | Ruach LLC Wilmington, Delaware |
Standard | 2025-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N80486 | Cessna 172M |
Fixed-wing, single engine | Individual owner South Carolina |
Standard | 2025-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N12452 | Cessna 172M |
Fixed-wing, single engine | Cj Aviation LLC Sonoma, California |
Standard | 2025-02-27 | ValidFAA registration status code V: Valid registration. All codes |
| N1690T | Piper PA-28-140 |
Fixed-wing, single engine | Co-owned owner Missouri |
Standard | 2025-02-27 | ValidFAA registration status code V: Valid registration. All codes |
| N3293B | Piper PA-18A |
Fixed-wing, single engine | Co-owned owner Alaska |
Restricted | 2025-02-27 | ValidFAA registration status code V: Valid registration. All codes |
| N62486 | Cessna 172P |
Fixed-wing, single engine | 486 Aviation LLC Worthington, Ohio |
Standard | 2025-02-27 | ValidFAA registration status code V: Valid registration. All codes |
| N738VV | Cessna 172N |
Fixed-wing, single engine | Pureflight Aviation Training LLC Newberg, Oregon |
Standard | 2025-02-27 | ValidFAA registration status code V: Valid registration. All codes |
| N8993V | Cessna 172M |
Fixed-wing, single engine | Bmg Aviation Leasing LLC Bloomington, Indiana |
Standard | 2025-02-27 | ValidFAA registration status code V: Valid registration. All codes |
| N9774W | Cessna 172M |
Fixed-wing, single engine | American Patrols INC Midland, Texas |
Standard | 2025-02-27 | ValidFAA registration status code V: Valid registration. All codes |
| N9917W | Piper PA-28-140 |
Fixed-wing, single engine | Flydunn.Com INC Jacksonville, Florida |
Standard | 2025-02-27 | ValidFAA registration status code V: Valid registration. All codes |
| N2247P | Piper PA-23-150 |
Fixed-wing, multi-engine | Co-owned owner Kentucky |
Standard | 2025-02-26 | ValidFAA registration status code V: Valid registration. All codes |
| N2320W | Beech A23-19 |
Fixed-wing, single engine | Individual owner Pennsylvania |
Standard | 2025-02-26 | ValidFAA registration status code V: Valid registration. All codes |
| N3453T | Cessna 177 |
Fixed-wing, single engine | Aircraft Evolution LLC Miami, Florida |
Standard | 2025-02-26 | ValidFAA registration status code V: Valid registration. All codes |
| N4163J | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2025-02-26 | ValidFAA registration status code V: Valid registration. All codes |
| N4302T | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner Pennsylvania |
Standard | 2025-02-26 | ValidFAA registration status code V: Valid registration. All codes |
| N55744 | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Indiana |
Standard | 2025-02-26 | ValidFAA registration status code V: Valid registration. All codes |
| N6034W | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Alabama |
Standard | 2025-02-26 | ValidFAA registration status code V: Valid registration. All codes |
| N794BK | Piper PA-28-161 |
Fixed-wing, single engine | Maxlines LLC Fairfax, California |
Standard | 2025-02-26 | ValidFAA registration status code V: Valid registration. All codes |
| N79562 | Cessna 172K |
Fixed-wing, single engine | Co-owned owner Kentucky |
Standard | 2025-02-26 | ValidFAA registration status code V: Valid registration. All codes |
| N854CA | Piper PA-28-151 |
Fixed-wing, single engine | Junie the Flying Dog LLC Atlanta, Georgia |
Standard | 2025-02-26 | ValidFAA registration status code V: Valid registration. All codes |
| N98AW | Piper PA-12 |
Fixed-wing, single engine | Individual owner Alaska |
Multiple | 2025-02-26 | ValidFAA registration status code V: Valid registration. All codes |
| N4601X | Cessna 150G |
Fixed-wing, single engine | Mast Aviation LLC South Boston, Virginia |
Standard | 2025-02-25 | ValidFAA registration status code V: Valid registration. All codes |
| N612HP | Cessna 172P |
Fixed-wing, single engine | American Patrols INC Midland, Texas |
Standard | 2025-02-25 | ValidFAA registration status code V: Valid registration. All codes |
| N717FL | Piper PA-28-140 |
Fixed-wing, single engine | North Texas Aeronautics LLC Burleson, Texas |
Standard | 2025-02-25 | ValidFAA registration status code V: Valid registration. All codes |
| N172PG | Cessna 172M |
Fixed-wing, single engine | Aviation Career Enrichment INC Atlanta, Georgia |
Standard | 2025-02-24 | ValidFAA registration status code V: Valid registration. All codes |
| N53996 | Cessna 172P |
Fixed-wing, single engine | Pea-Wayman Flight LLC Daytona Beach, Florida |
Standard | 2025-02-24 | ValidFAA registration status code V: Valid registration. All codes |
| N65645 | Cessna 172P |
Fixed-wing, single engine | Pea-Wayman Flight LLC Daytona Beach, Florida |
Standard | 2025-02-24 | ValidFAA registration status code V: Valid registration. All codes |
| N739UA | Cessna 172N |
Fixed-wing, single engine | Pea-Wayman Flight LLC Daytona Beach, Florida |
Standard | 2025-02-24 | ValidFAA registration status code V: Valid registration. All codes |
| N906WA | Cessna 172N |
Fixed-wing, single engine | Pea-Wayman Flight LLC Daytona Beach, Florida |
Standard | 2025-02-24 | ValidFAA registration status code V: Valid registration. All codes |
| N907WA | Cessna 172N |
Fixed-wing, single engine | Pea-Wayman Flight LLC Daytona Beach, Florida |
Standard | 2025-02-24 | ValidFAA registration status code V: Valid registration. All codes |
| N92324 | Cessna 172M |
Fixed-wing, single engine | Pea-Wayman Flight LLC Daytona Beach, Florida |
Standard | 2025-02-24 | ValidFAA registration status code V: Valid registration. All codes |
| N12529 | Cessna 172M |
Fixed-wing, single engine | Blue Goose Aviation INC Polson, Montana |
Standard | 2025-02-22 | ValidFAA registration status code V: Valid registration. All codes |
| N7200G | Cessna 172K |
Fixed-wing, single engine | We Fly High LLC Helena, Montana |
Standard | 2025-02-22 | ValidFAA registration status code V: Valid registration. All codes |
| N7547G | Cessna 172L |
Fixed-wing, single engine | Mutter William D Chelan, Washington |
Standard | 2025-02-22 | ValidFAA registration status code V: Valid registration. All codes |
| N8320V | Champion 7GCAA |
Fixed-wing, single engine | Individual owner Oregon |
Standard | 2025-02-22 | 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.
