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 |
|---|---|---|---|---|---|---|
| N9RX | Elmendorf Leonard C ES3 |
Fixed-wing, single engine | Individual owner Florida |
Experimental | 2013-05-23 | ValidFAA registration status code V: Valid registration. All codes |
| N613PC | American Champion Aircraft 7GCBC |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2013-05-21 | ValidFAA registration status code V: Valid registration. All codes |
| N3762Z | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Colorado |
Multiple | 2013-05-20 | ValidFAA registration status code V: Valid registration. All codes |
| N555SL | Cessna 172M |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2013-05-20 | ValidFAA registration status code V: Valid registration. All codes |
| N7356J | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Alabama |
Standard | 2013-05-20 | ValidFAA registration status code V: Valid registration. All codes |
| N80641 | Cessna 172M |
Fixed-wing, single engine | Missionary Flight Training INC Fort Pierce, Florida |
Standard | 2013-05-20 | ValidFAA registration status code V: Valid registration. All codes |
| N9247D | Piper PA-22-160 |
Fixed-wing, single engine | Co-owned owner Oklahoma |
Standard | 2013-05-20 | ValidFAA registration status code V: Valid registration. All codes |
| N4386Z | Piper PA-18-150 |
Fixed-wing, single engine | Co-owned owner Alaska |
Multiple | 2013-05-17 | ValidFAA registration status code V: Valid registration. All codes |
| N733TP | Cessna 172N |
Fixed-wing, single engine | R&R Aero Services LLC Eden Prairie, Minnesota |
Standard | 2013-05-16 | ValidFAA registration status code V: Valid registration. All codes |
| N13240 | Cessna 172M |
Fixed-wing, single engine | Arkansas-Oklahoma Railroad INC Wilburton, Oklahoma |
Standard | 2013-05-15 | ValidFAA registration status code V: Valid registration. All codes |
| N457AC | American Champion Aircraft 7GCAA |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2013-05-15 | ValidFAA registration status code V: Valid registration. All codes |
| N6301D | Cessna 172N |
Fixed-wing, single engine | R&R Aero Services LLC Eden Prairie, Minnesota |
Standard | 2013-05-15 | ValidFAA registration status code V: Valid registration. All codes |
| N934RV | Butley Robert A RV-4 |
Fixed-wing, single engine | Individual owner Puerto Rico |
Experimental | 2013-05-15 | ValidFAA registration status code V: Valid registration. All codes |
| N4181Z | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Mississippi |
Standard | 2013-05-14 | ValidFAA registration status code V: Valid registration. All codes |
| N5RW | Cessna 172L |
Fixed-wing, single engine | Individual owner Louisiana |
Standard | 2013-05-14 | ValidFAA registration status code V: Valid registration. All codes |
| N7225G | Cessna 172K |
Fixed-wing, single engine | Individual owner Pennsylvania |
Standard | 2013-05-14 | ValidFAA registration status code V: Valid registration. All codes |
| N7360D | Piper PA-18 |
Fixed-wing, single engine | Co-owned owner South Dakota |
Standard | 2013-05-14 | ValidFAA registration status code V: Valid registration. All codes |
| N747WM | American Champion Aircraft 7GCAA |
Fixed-wing, single engine | Individual owner Minnesota |
Standard | 2013-05-14 | ValidFAA registration status code V: Valid registration. All codes |
| N943KS | Cessna 172N |
Fixed-wing, single engine | Co-owned owner Arizona |
Standard | 2013-05-13 | ValidFAA registration status code V: Valid registration. All codes |
| N4909G | Cessna 172N |
Fixed-wing, single engine | Red Arrow Aviation LLC Santa Teresa, New Mexico |
Standard | 2013-05-10 | ValidFAA registration status code V: Valid registration. All codes |
| N316CA | Cessna 172M |
Fixed-wing, single engine | Choice Aviation LLC Hamilton, Montana |
Standard | 2013-05-09 | ValidFAA registration status code V: Valid registration. All codes |
| N362CA | Cessna 172K |
Fixed-wing, single engine | Choice Aviation LLC Hamilton, Montana |
Standard | 2013-05-09 | ValidFAA registration status code V: Valid registration. All codes |
| N6512D | Cessna 172N |
Fixed-wing, single engine | Cajun Wings LLC Bourg, Louisiana |
Standard | 2013-05-09 | ValidFAA registration status code V: Valid registration. All codes |
| N98407 | Cessna 172P |
Fixed-wing, single engine | Choice Aviation LLC Hamilton, Montana |
Standard | 2013-05-09 | ValidFAA registration status code V: Valid registration. All codes |
| N733HZ | Cessna 172N |
Fixed-wing, single engine | Individual owner California |
Standard | 2013-05-08 | ValidFAA registration status code V: Valid registration. All codes |
| N75822 | Cessna 172N |
Fixed-wing, single engine | International Air Services INC Trustee Carson City, Nevada |
Standard | 2013-05-07 | ValidFAA registration status code V: Valid registration. All codes |
| N136LM | Cessna 172M |
Fixed-wing, single engine | Lge Flying Club Canton, Georgia |
Standard | 2013-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N46726 | Cessna 172K |
Fixed-wing, single engine | Individual owner Arkansas |
Standard | 2013-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N738PV | Cessna 172N |
Fixed-wing, single engine | Lawn Dart Flyers LLC Shelburne, Vermont |
Standard | 2013-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N9839D | Piper PA-22-150 |
Fixed-wing, single engine | Co-owned owner Iowa |
Standard | 2013-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N64CW | Piper PA-12 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2013-05-02 | ValidFAA registration status code V: Valid registration. All codes |
| N12209 | Cessna 172M |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2013-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N1234R | Raysik Michael J RV-4 |
Fixed-wing, single engine | Fitzair LLC Bellevue, Nebraska |
Experimental | 2013-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N19837 | Cessna 172M |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2013-04-30 | ValidFAA registration status code V: Valid registration. All codes |
| N4011E | Robinson Helicopter R22 BETA |
Helicopter | Co-owned owner California |
Standard | 2013-04-29 | ValidFAA registration status code V: Valid registration. All codes |
| N766MF | Grumman American Avn. Corp. AA-5A |
Fixed-wing, single engine | Co-owned owner Florida |
Standard | 2013-04-29 | ValidFAA registration status code V: Valid registration. All codes |
| N7161R | Piper PA-28-140 |
Fixed-wing, single engine | Co-owned owner New Jersey |
Standard | 2013-04-25 | ValidFAA registration status code V: Valid registration. All codes |
| N4343T | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Missouri |
Standard | 2013-04-24 | ValidFAA registration status code V: Valid registration. All codes |
| N6140Z | Piper PA-25 |
Fixed-wing, single engine | Connecticut Soaring Association INC New London, Connecticut |
Standard | 2013-04-24 | ValidFAA registration status code V: Valid registration. All codes |
| N172MH | Cessna 172N |
Fixed-wing, single engine | Individual owner Kentucky |
Standard | 2013-04-23 | ValidFAA registration status code V: Valid registration. All codes |
| N4728J | Beech A23-19 |
Fixed-wing, single engine | Co-owned owner Illinois |
Standard | 2013-04-23 | ValidFAA registration status code V: Valid registration. All codes |
| N7216G | Cessna 172K |
Fixed-wing, single engine | Lincoln Skyways INC Lincoln, California |
Standard | 2013-04-23 | ValidFAA registration status code V: Valid registration. All codes |
| N12246 | Cessna 172M |
Fixed-wing, single engine | Individual owner California |
Standard | 2013-04-19 | ValidFAA registration status code V: Valid registration. All codes |
| N2660P | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Arkansas |
Standard | 2013-04-19 | ValidFAA registration status code V: Valid registration. All codes |
| N220FT | Robinson Helicopter R22 BETA |
Helicopter | Technical Education Services INC T/A Virginia Beach, Virginia |
Standard | 2013-04-18 | ValidFAA registration status code V: Valid registration. All codes |
| N236RA | Robinson Helicopter R22 BETA |
Helicopter | Technical Education Services INC Virginia Beach, Virginia |
Standard | 2013-04-18 | ValidFAA registration status code V: Valid registration. All codes |
| N3825Q | Cessna 172L |
Fixed-wing, single engine | Individual owner California |
Standard | 2013-04-17 | ValidFAA registration status code V: Valid registration. All codes |
| N84566 | Cessna 172K |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2013-04-16 | ValidFAA registration status code V: Valid registration. All codes |
| N3871X | Aero Commander 100 |
Fixed-wing, single engine | Individual owner Oklahoma |
Standard | 2013-04-15 | ValidFAA registration status code V: Valid registration. All codes |
| N811DW | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Alaska |
Restricted | 2013-04-12 | ValidFAA registration status code V: Valid registration. All codes |
| N9562H | Cessna 172M |
Fixed-wing, single engine | L & W Aircraft Investments LLC Homestead, Florida |
Standard | 2013-04-12 | ValidFAA registration status code V: Valid registration. All codes |
| N13522 | Cessna 172M |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2013-04-11 | ValidFAA registration status code V: Valid registration. All codes |
| N5469L | Grumman American Avn. Corp. AA-5 |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2013-04-09 | ValidFAA registration status code V: Valid registration. All codes |
| N6325D | Cessna 172N |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2013-04-09 | ValidFAA registration status code V: Valid registration. All codes |
| N7743D | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Missouri |
Standard | 2013-04-09 | ValidFAA registration status code V: Valid registration. All codes |
| N9390H | Cessna 172M |
Fixed-wing, single engine | Co-owned owner Oklahoma |
Standard | 2013-04-09 | ValidFAA registration status code V: Valid registration. All codes |
| N9755D | Cessna 172P |
Fixed-wing, single engine | Skyline Solutions INC Deland, Florida |
Standard | 2013-04-09 | ValidFAA registration status code V: Valid registration. All codes |
| N5521U | Piper PA-28-140 |
Fixed-wing, single engine | Co-owned owner Illinois |
Standard | 2013-04-08 | ValidFAA registration status code V: Valid registration. All codes |
| N7024Q | Cessna 172L |
Fixed-wing, single engine | Individual owner Nebraska |
Standard | 2013-04-08 | ValidFAA registration status code V: Valid registration. All codes |
| N75559 | Cessna 172N |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2013-04-08 | ValidFAA registration status code V: Valid registration. All codes |
| N30179 | Cessna 177 |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2013-04-05 | ValidFAA registration status code V: Valid registration. All codes |
| N3306E | Cessna 172N |
Fixed-wing, single engine | Co-owned owner Texas |
Standard | 2013-04-05 | ValidFAA registration status code V: Valid registration. All codes |
| N2994Z | Piper PA-18-150 |
Fixed-wing, single engine | Air Ads INC El Cajon, California |
Standard | 2013-04-04 | ValidFAA registration status code V: Valid registration. All codes |
| N654RV | Wilkinson Glenn P VANS AC RV-4 |
Fixed-wing, single engine | Co-owned owner Texas |
Experimental | 2013-04-04 | ValidFAA registration status code V: Valid registration. All codes |
| N6776J | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2013-04-04 | ValidFAA registration status code V: Valid registration. All codes |
| N75790 | Cessna 172N |
Fixed-wing, single engine | Individual owner Colorado |
Standard | 2013-04-04 | ValidFAA registration status code V: Valid registration. All codes |
| N90783 | Robinson Helicopter R22 |
Helicopter | Individual owner Colorado |
Standard | 2013-04-04 | ValidFAA registration status code V: Valid registration. All codes |
| N18ZB | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2013-04-03 | ValidFAA registration status code V: Valid registration. All codes |
| N6617H | Cessna 172M |
Fixed-wing, single engine | North Franklin County Flying Club North Lawrence, New York |
Standard | 2013-04-03 | ValidFAA registration status code V: Valid registration. All codes |
| N8715D | Piper PA-22-160 |
Fixed-wing, single engine | Co-owned owner Arizona |
Standard | 2013-04-02 | ValidFAA registration status code V: Valid registration. All codes |
| N9812W | Piper PA-28-140 |
Fixed-wing, single engine | Co-owned owner Delaware |
Standard | 2013-04-02 | ValidFAA registration status code V: Valid registration. All codes |
| N19768 | Cessna 172L |
Fixed-wing, single engine | Glacier Flight Training LLC Whitefish, Montana |
Standard | 2013-04-01 | ValidFAA registration status code V: Valid registration. All codes |
| N30098 | Cessna 177 |
Fixed-wing, single engine | Co-owned owner Washington |
Standard | 2013-04-01 | ValidFAA registration status code V: Valid registration. All codes |
| N55XF | Piper PA-28-140 |
Fixed-wing, single engine | Ceb Enterprises LLC Petal, Mississippi |
Standard | 2013-04-01 | ValidFAA registration status code V: Valid registration. All codes |
| N83494 | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner North Dakota |
Multiple | 2013-04-01 | ValidFAA registration status code V: Valid registration. All codes |
| N9126L | Champion 7GCBC |
Fixed-wing, single engine | Individual owner North Dakota |
Standard | 2013-04-01 | ValidFAA registration status code V: Valid registration. All codes |
| N6913B | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner New Jersey |
Standard | 2013-03-29 | ValidFAA registration status code V: Valid registration. All codes |
| N733FS | Cessna 172N |
Fixed-wing, single engine | Arbach Enterprises INC Watertown, South Dakota |
Standard | 2013-03-29 | ValidFAA registration status code V: Valid registration. All codes |
| N6612L | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner South Dakota |
Standard | 2013-03-28 | ValidFAA registration status code V: Valid registration. All codes |
| N448ND | Piper PA-28-161 |
Fixed-wing, single engine | Ari Ben Aviator INC Fort Pierce, Florida |
Standard | 2013-03-27 | ValidFAA registration status code V: Valid registration. All codes |
| N20756 | Cessna 172M |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2013-03-26 | ValidFAA registration status code V: Valid registration. All codes |
| N5437F | Piper PA-28-151 |
Fixed-wing, single engine | Legacy Aviation LLC Tea, South Dakota |
Standard | 2013-03-26 | ValidFAA registration status code V: Valid registration. All codes |
| N56637 | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2013-03-26 | ValidFAA registration status code V: Valid registration. All codes |
| N172NP | Cessna 172N |
Fixed-wing, single engine | Dv Aviation INC Brainerd, Minnesota |
Standard | 2013-03-25 | ValidFAA registration status code V: Valid registration. All codes |
| N56241 | Piper PA-28-180 |
Fixed-wing, single engine | Individual owner Indiana |
Standard | 2013-03-22 | ValidFAA registration status code V: Valid registration. All codes |
| N7940E | Cessna 150 |
Fixed-wing, single engine | Aircraft Guaranty CORP Trustee Oklahoma City, Oklahoma |
Standard | 2013-03-22 | ValidFAA registration status code V: Valid registration. All codes |
| N82071 | Piper PA-18-150 |
Fixed-wing, single engine | Vintage Aircraft LLC Leesville, South Carolina |
Standard | 2013-03-22 | ValidFAA registration status code V: Valid registration. All codes |
| N2459J | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Oregon |
Standard | 2013-03-21 | ValidFAA registration status code V: Valid registration. All codes |
| N7038Q | Cessna 172L |
Fixed-wing, single engine | Individual owner New York |
Standard | 2013-03-21 | ValidFAA registration status code V: Valid registration. All codes |
| N12766 | Cessna 172M |
Fixed-wing, single engine | Civil Air Patrol Flying Assoc INC Branford, Connecticut |
Standard | 2013-03-20 | ValidFAA registration status code V: Valid registration. All codes |
| N1704T | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner South Carolina |
Multiple | 2013-03-20 | ValidFAA registration status code V: Valid registration. All codes |
| N61727 | Cessna 172M |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2013-03-20 | ValidFAA registration status code V: Valid registration. All codes |
| N6885W | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2013-03-20 | ValidFAA registration status code V: Valid registration. All codes |
| N738PN | Cessna 172N |
Fixed-wing, single engine | Papa November LLC Orlando, Florida |
Standard | 2013-03-20 | ValidFAA registration status code V: Valid registration. All codes |
| N9960U | Grumman American Avn. Corp. AA-5A |
Fixed-wing, single engine | Fletchair INC Comfort, Texas |
Standard | 2013-03-20 | ValidFAA registration status code V: Valid registration. All codes |
| N41457 | Piper PA-28-151 |
Fixed-wing, single engine | Aviation Medical Experts LLC Wilmington, Delaware |
Standard | 2013-03-18 | ValidFAA registration status code V: Valid registration. All codes |
| N5334W | Piper PA-28 |
Fixed-wing, single engine | Individual owner Utah |
Standard | 2013-03-18 | ValidFAA registration status code V: Valid registration. All codes |
| N56821 | Piper PA-28-140 |
Fixed-wing, single engine | Cowlin Aviation LLC Houston, Texas |
Standard | 2013-03-18 | ValidFAA registration status code V: Valid registration. All codes |
| N46JW | Cessna 172K |
Fixed-wing, single engine | Individual owner Vermont |
Standard | 2013-03-15 | ValidFAA registration status code V: Valid registration. All codes |
| N460FL | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner California |
Standard | 2013-03-14 | 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.
