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 |
|---|---|---|---|---|---|---|
| N37WT | Cessna 172N |
Fixed-wing, single engine | Faulk County Flying Club INC Faulkton, South Dakota |
Standard | 2016-09-21 | ValidFAA registration status code V: Valid registration. All codes |
| N8412R | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Illinois |
Standard | 2016-09-21 | ValidFAA registration status code V: Valid registration. All codes |
| N920PH | Piper PA-28-151 |
Fixed-wing, single engine | Individual owner Alabama |
Standard | 2016-09-21 | ValidFAA registration status code V: Valid registration. All codes |
| N12556 | Cessna 172M |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2016-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N13723 | Cessna 172M |
Fixed-wing, single engine | Individual owner Alabama |
Standard | 2016-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N20282 | Cessna 172M |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2016-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N29TE | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner Oregon |
Standard | 2016-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N30148 | Cessna 177 |
Fixed-wing, single engine | Co-owned owner Washington |
Standard | 2016-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N53901 | Bellanca 7GCBC |
Fixed-wing, single engine | Aero Flight Dynamics LLC Riverside, California |
Standard | 2016-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N62072 | Grumman American Avn. Corp. AA-5A |
Fixed-wing, single engine | Individual owner New Hampshire |
Standard | 2016-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N3619K | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Idaho |
Standard | 2016-09-19 | ValidFAA registration status code V: Valid registration. All codes |
| N62690 | Cessna 172P |
Fixed-wing, single engine | Aerosim Academy INC Sanford, Florida |
Standard | 2016-09-19 | ValidFAA registration status code V: Valid registration. All codes |
| N64421 | Cessna 172P |
Fixed-wing, single engine | Celtic Flight LLC Lewes, Delaware |
Standard | 2016-09-19 | ValidFAA registration status code V: Valid registration. All codes |
| N9636L | Grumman American Avn. Corp. AA-5 |
Fixed-wing, single engine | West Main Auto Sales INC Tupelo, Mississippi |
Standard | 2016-09-19 | ValidFAA registration status code V: Valid registration. All codes |
| N3BY | Cessna 172K |
Fixed-wing, single engine | Individual owner California |
Standard | 2016-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N40787 | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner California |
Standard | 2016-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N5363K | Cessna 172P |
Fixed-wing, single engine | Mission Aviation Training Academy Arlington, Washington |
Standard | 2016-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N26349 | Grumman American Avn. Corp. AA-5A |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2016-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N2950G | Piper PA-28-161 |
Fixed-wing, single engine | Lcc East LLC Freehold, New Jersey |
Standard | 2016-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N801MZ | Caretti Richard RV-4 |
Fixed-wing, single engine | Individual owner Missouri |
Experimental | 2016-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N83464 | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Texas |
Multiple | 2016-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N89878 | Cessna 172P |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2016-09-15 | ValidFAA registration status code V: Valid registration. All codes |
| N245Q | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2016-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N40552 | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2016-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N954T | Piper PA-18-150 |
Fixed-wing, single engine | Gm Aviation LLC Phillips, Wisconsin |
Multiple | 2016-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N955CC | Cessna 172K |
Fixed-wing, single engine | N955Cc LLC Estero, Florida |
Standard | 2016-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N47837 | Piper PA-28-161 |
Fixed-wing, single engine | Co-owned owner Iowa |
Standard | 2016-09-13 | ValidFAA registration status code V: Valid registration. All codes |
| N26AK | Piper PA-18-150 |
Fixed-wing, single engine | Co-owned owner Alaska |
Standard | 2016-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N4146X | Aero Commander 100 |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2016-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N173PW | American Champion Aircraft 7GCBC |
Fixed-wing, single engine | Sunspot Meadow LLC Cloudcroft, New Mexico |
Standard | 2016-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N5043R | Cessna 172M |
Fixed-wing, single engine | Withheld at owner's request | Standard | 2016-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N3533Z | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Nebraska |
Standard | 2016-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N8135P | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2016-09-08 | ValidFAA registration status code V: Valid registration. All codes |
| N1814V | Cessna 172M |
Fixed-wing, single engine | Beyer Leasing CO Paw Paw, Michigan |
Standard | 2016-09-07 | ValidFAA registration status code V: Valid registration. All codes |
| N3473E | Piper PA-18A 150 |
Fixed-wing, single engine | Venture North Aviation LLC Cloquet, Minnesota |
Standard | 2016-09-07 | ValidFAA registration status code V: Valid registration. All codes |
| N5385D | Cessna 172N |
Fixed-wing, single engine | Dg Aviation Services INC Merritt Island, Florida |
Standard | 2016-09-07 | ValidFAA registration status code V: Valid registration. All codes |
| N739LU | Cessna 172N |
Fixed-wing, single engine | Bergstrom Aircraft INC Pasco, Washington |
Standard | 2016-09-07 | ValidFAA registration status code V: Valid registration. All codes |
| N84369 | Cessna 172K |
Fixed-wing, single engine | Individual owner Kansas |
Standard | 2016-09-07 | ValidFAA registration status code V: Valid registration. All codes |
| N246HN | Newberry Harry R RV-4 |
Fixed-wing, single engine | Co-owned owner Texas |
Experimental | 2016-09-06 | ValidFAA registration status code V: Valid registration. All codes |
| N3437T | Cessna 177 |
Fixed-wing, single engine | Individual owner Missouri |
Standard | 2016-09-06 | ValidFAA registration status code V: Valid registration. All codes |
| N2334H | Piper PA-18-150 |
Fixed-wing, single engine | Fff Air LLC Ashland, Ohio |
Standard | 2016-09-02 | ValidFAA registration status code V: Valid registration. All codes |
| N4359Q | Cessna 172L |
Fixed-wing, single engine | Co-owned owner Tennessee |
Standard | 2016-09-02 | ValidFAA registration status code V: Valid registration. All codes |
| N5799D | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Illinois |
Standard | 2016-09-02 | ValidFAA registration status code V: Valid registration. All codes |
| N9518W | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Wisconsin |
Standard | 2016-09-02 | ValidFAA registration status code V: Valid registration. All codes |
| N13346 | Cessna 172M |
Fixed-wing, single engine | Stafford Cessna 13346 An LLC Lafayette, Louisiana |
Standard | 2016-09-01 | ValidFAA registration status code V: Valid registration. All codes |
| N575PA | Piper PA-28-140 |
Fixed-wing, single engine | Grw Air Services LLC Springport, Indiana |
Standard | 2016-09-01 | ValidFAA registration status code V: Valid registration. All codes |
| N8459L | Cessna 172I |
Fixed-wing, single engine | Individual owner Alabama |
Standard | 2016-09-01 | ValidFAA registration status code V: Valid registration. All codes |
| N292CA | Cessna 172M |
Fixed-wing, single engine | Choice Aviation LLC Hamilton, Montana |
Standard | 2016-08-31 | ValidFAA registration status code V: Valid registration. All codes |
| N738VC | Cessna 172N |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2016-08-31 | ValidFAA registration status code V: Valid registration. All codes |
| N8025E | Cessna 172N |
Fixed-wing, single engine | Mission Aviation Fellowship Nampa, Idaho |
Standard | 2016-08-31 | ValidFAA registration status code V: Valid registration. All codes |
| N8288Z | Piper PA-28-161 |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2016-08-31 | ValidFAA registration status code V: Valid registration. All codes |
| N8292D | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2016-08-31 | ValidFAA registration status code V: Valid registration. All codes |
| N19702 | Cessna 172L |
Fixed-wing, single engine | Dosair INC Slatington, Pennsylvania |
Standard | 2016-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N2314E | Cessna 172N |
Fixed-wing, single engine | Airgo INC Centralia, Illinois |
Standard | 2016-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N3048P | Piper PA-23 |
Fixed-wing, multi-engine | Individual owner Arizona |
Standard | 2016-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N3343Q | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner Colorado |
Standard | 2016-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N36JC | Cessna 172M |
Fixed-wing, single engine | Safety In Motion Flight Center INC Puyallup, Washington |
Standard | 2016-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N666DD | Laubach Michael J DD3 |
Fixed-wing, single engine | Individual owner Nevada |
Experimental | 2016-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N830P | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2016-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N8810N | Piper PA-28-140 |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2016-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N88165 | Bellanca 7GCBC |
Fixed-wing, single engine | Individual owner California |
Standard | 2016-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N9897Q | Cessna 172M |
Fixed-wing, single engine | Above All Aviation INC Santa Barbara, California |
Standard | 2016-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N2924X | Cessna 177 |
Fixed-wing, single engine | Individual owner Iowa |
Standard | 2016-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N29362 | Cessna 177 |
Fixed-wing, single engine | Withheld at owner's request | Standard | 2016-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N2936M | Piper PA-12 |
Fixed-wing, single engine | Individual owner Idaho |
Multiple | 2016-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N38195 | Piper PA-28-161 |
Fixed-wing, single engine | Inspiration Aviation Ministries Waterville, Maine |
Standard | 2016-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N427KS | Scurlock John H VANS ACFT RV-6 |
Fixed-wing, single engine | Jagged Ridge Imaging LLC Bainbridge Island, Washington |
Experimental | 2016-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N511GL | Great Lakes 2T-1A-1 |
Fixed-wing, single engine | Individual owner Idaho |
Standard | 2016-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N51AA | Interstate S-1B2 |
Fixed-wing, single engine | Co-owned owner Alaska |
Standard | 2016-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N5294X | Stoddard Hamilton Aircraft Inc GLASAIR II S |
Fixed-wing, single engine | Individual owner Minnesota |
Experimental | 2016-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N549RV | Anderson Michael D VANS RV7A |
Fixed-wing, single engine | Individual owner Texas |
Experimental | 2016-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N7111D | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner New Jersey |
Standard | 2016-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N75612 | Cessna 172N |
Fixed-wing, single engine | Individual owner Maryland |
Standard | 2016-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N9829J | Cessna 172N |
Fixed-wing, single engine | Inflight CORP Chaffee, Missouri |
Standard | 2016-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N459AC | American Champion Aircraft 7GCAA |
Fixed-wing, single engine | Co-owned owner Illinois |
Standard | 2016-08-26 | ValidFAA registration status code V: Valid registration. All codes |
| N5580W | Piper PA-28-150 |
Fixed-wing, single engine | Smitty 172 LLC Rockford, Michigan |
Standard | 2016-08-26 | ValidFAA registration status code V: Valid registration. All codes |
| N124TT | Tranbarger Thomas P RV-4 |
Fixed-wing, single engine | Sky West Aviation INC Trustee Albuquerque, New Mexico |
Experimental | 2016-08-25 | ValidFAA registration status code V: Valid registration. All codes |
| N153RE | Ream Robert E RV-6A |
Fixed-wing, single engine | Individual owner Texas |
Experimental | 2016-08-25 | ValidFAA registration status code V: Valid registration. All codes |
| N3274Z | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Wisconsin |
Standard | 2016-08-25 | ValidFAA registration status code V: Valid registration. All codes |
| N390MF | Omf OMF-100-160 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2016-08-25 | ValidFAA registration status code V: Valid registration. All codes |
| N5484D | Cessna 172N |
Fixed-wing, single engine | Aerobiz LLC Lewes, Delaware |
Standard | 2016-08-25 | ValidFAA registration status code V: Valid registration. All codes |
| N6459W | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2016-08-25 | ValidFAA registration status code V: Valid registration. All codes |
| N7099C | Piper PA-28-151 |
Fixed-wing, single engine | Individual owner Minnesota |
Standard | 2016-08-25 | ValidFAA registration status code V: Valid registration. All codes |
| N6003W | Piper PA-28-140 |
Fixed-wing, single engine | Co-owned owner New York |
Standard | 2016-08-24 | ValidFAA registration status code V: Valid registration. All codes |
| N6449J | Cessna 172N |
Fixed-wing, single engine | Bentley Aviation Services Lewes, Delaware |
Standard | 2016-08-24 | ValidFAA registration status code V: Valid registration. All codes |
| N658FL | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Arkansas |
Standard | 2016-08-24 | ValidFAA registration status code V: Valid registration. All codes |
| N6822L | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2016-08-24 | ValidFAA registration status code V: Valid registration. All codes |
| N886RV | Wilhelm Leonard RV6A |
Fixed-wing, single engine | Individual owner Virginia |
Experimental | 2016-08-24 | ValidFAA registration status code V: Valid registration. All codes |
| N915RS | American Champion Aircraft 7GCBC |
Fixed-wing, single engine | Individual owner Pennsylvania |
Standard | 2016-08-24 | ValidFAA registration status code V: Valid registration. All codes |
| N29651 | Cessna 177 |
Fixed-wing, single engine | Individual owner Indiana |
Standard | 2016-08-23 | ValidFAA registration status code V: Valid registration. All codes |
| N4649Q | Cessna 172M |
Fixed-wing, single engine | Skyhawk Services LLC Lake Wales, Florida |
Standard | 2016-08-23 | ValidFAA registration status code V: Valid registration. All codes |
| N5DD | Mccormick PITTS S1 |
Fixed-wing, single engine | Individual owner Arizona |
Experimental | 2016-08-23 | ValidFAA registration status code V: Valid registration. All codes |
| N733WS | Cessna 172N |
Fixed-wing, single engine | Airgo INC Centralia, Illinois |
Standard | 2016-08-23 | ValidFAA registration status code V: Valid registration. All codes |
| N4708A | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2016-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N53182 | Cessna 172P |
Fixed-wing, single engine | Individual owner New Mexico |
Standard | 2016-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N54734 | Cessna 172P |
Fixed-wing, single engine | Southern Arkansas University Tech Camden, Arkansas |
Standard | 2016-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N6395D | Cessna 172N |
Fixed-wing, single engine | Individual owner Virginia |
Standard | 2016-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N8524Y | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2016-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N2856P | Piper PA-22 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2016-08-19 | ValidFAA registration status code V: Valid registration. All codes |
| N347DM | Mader David RV6-A |
Fixed-wing, single engine | Individual owner Alabama |
Experimental | 2016-08-19 | 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.
