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 |
|---|---|---|---|---|---|---|
| N79448 | Cessna 172K |
Fixed-wing, single engine | Individual owner Louisiana |
Standard | 2013-10-22 | ValidFAA registration status code V: Valid registration. All codes |
| N8613D | Piper PA-22-160 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2013-10-22 | ValidFAA registration status code V: Valid registration. All codes |
| N12148 | Cessna 172M |
Fixed-wing, single engine | Co-owned owner Wisconsin |
Standard | 2013-10-21 | ValidFAA registration status code V: Valid registration. All codes |
| N272DB | Cessna 172M |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2013-10-18 | ValidFAA registration status code V: Valid registration. All codes |
| N3462T | Cessna 177 |
Fixed-wing, single engine | Individual owner Missouri |
Standard | 2013-10-18 | ValidFAA registration status code V: Valid registration. All codes |
| N7192Q | Cessna 172L |
Fixed-wing, single engine | Mansfield Heliflight INC Milton, Vermont |
Standard | 2013-10-18 | ValidFAA registration status code V: Valid registration. All codes |
| N75162 | Piper PA-28-151 |
Fixed-wing, single engine | Individual owner California |
Standard | 2013-10-18 | ValidFAA registration status code V: Valid registration. All codes |
| N142VP | Piper PA-23-160 |
Fixed-wing, multi-engine | Individual owner Massachusetts |
Standard | 2013-09-27 | ValidFAA registration status code V: Valid registration. All codes |
| N53351 | Cessna 172P |
Fixed-wing, single engine | Clover Park Technical College Lakewood, Washington |
Standard | 2013-09-25 | ValidFAA registration status code V: Valid registration. All codes |
| N52139 | Cessna 172P |
Fixed-wing, single engine | Mann Aviation INC Long Beach, California |
Standard | 2013-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N12561 | Cessna 172M |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2013-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N7108D | Piper PA-22-150 |
Fixed-wing, single engine | Western Antique Aeroplane & Automobile Museum Hood River, Oregon |
Standard | 2013-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N75805 | Cessna 172N |
Fixed-wing, single engine | Individual owner Oregon |
Standard | 2013-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N9575U | Grumman American Avn. Corp. AA-5A |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2013-09-20 | ValidFAA registration status code V: Valid registration. All codes |
| N14315 | Piper PA-18-150 |
Fixed-wing, single engine | Orion Works LTD Denali Park, Alaska |
Standard | 2013-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N30522 | Cessna 172M |
Fixed-wing, single engine | Individual owner Oklahoma |
Standard | 2013-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N79284 | Cessna 172K |
Fixed-wing, single engine | Individual owner North Carolina |
Restricted | 2013-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N84740 | Cessna 172K |
Fixed-wing, single engine | Dark River Capital LLC Lebanon, Ohio |
Standard | 2013-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N9997U | Grumman American Avn. Corp. AA-5A |
Fixed-wing, single engine | Co-owned owner Massachusetts |
Standard | 2013-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N323SM | Cessna 172L |
Fixed-wing, single engine | American Patrols INC Midland, Texas |
Standard | 2013-09-17 | ValidFAA registration status code V: Valid registration. All codes |
| N466PG | Good RV-6 |
Fixed-wing, single engine | Individual owner Virginia |
Experimental | 2013-09-17 | ValidFAA registration status code V: Valid registration. All codes |
| N1221T | Cessna 172L |
Fixed-wing, single engine | Individual owner Maryland |
Standard | 2013-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N32735 | Piper PA-28-151 |
Fixed-wing, single engine | Individual owner Mississippi |
Standard | 2013-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N477LL | Piper PA-18-150 |
Fixed-wing, single engine | Lima Lima LLC Lander, Wyoming |
Standard | 2013-09-13 | ValidFAA registration status code V: Valid registration. All codes |
| N83275 | Piper PA-18-150 |
Fixed-wing, single engine | Co-owned owner Oregon |
Standard | 2013-09-13 | ValidFAA registration status code V: Valid registration. All codes |
| N32SH | Robinson Helicopter R22 BETA |
Helicopter | Individual owner Texas |
Standard | 2013-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N40042 | Piper PA-28-161 |
Fixed-wing, single engine | Volar CORP El Cajon, California |
Standard | 2013-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N8461W | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2013-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N7439R | Piper PA-28-140 |
Fixed-wing, single engine | Vetter Aviation Interests LLC Lakeville, Minnesota |
Standard | 2013-09-10 | ValidFAA registration status code V: Valid registration. All codes |
| N131LR | Piper PA-28-140 |
Fixed-wing, single engine | Charles City Aeronautics INC Charles City, Iowa |
Standard | 2013-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N199 | Piper PA-28-140 |
Fixed-wing, single engine | Earth & Air LLC Thompson Falls, Montana |
Standard | 2013-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N2464P | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2013-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N41963 | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Delaware |
Standard | 2013-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N605HA | Robinson Helicopter R22 ALPHA |
Helicopter | Emerald City Aircraft Leasing INC Port Orchard, Washington |
Standard | 2013-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N7685D | Piper PA-18A 150 |
Fixed-wing, single engine | Individual owner Alaska |
Restricted | 2013-09-09 | ValidFAA registration status code V: Valid registration. All codes |
| N75382 | Piper PA-28-151 |
Fixed-wing, single engine | FAA Flying Club INC Springfield, Virginia |
Standard | 2013-09-06 | ValidFAA registration status code V: Valid registration. All codes |
| N9748U | Grumman American Avn. Corp. AA-5A |
Fixed-wing, single engine | Quiet Birdmen LLC Lanoka Harbor, New Jersey |
Standard | 2013-09-06 | ValidFAA registration status code V: Valid registration. All codes |
| N7234Q | Cessna 172L |
Fixed-wing, single engine | Individual owner New York |
Standard | 2013-09-05 | ValidFAA registration status code V: Valid registration. All codes |
| N7678D | Piper PA-18A 150 |
Fixed-wing, single engine | Individual owner Alaska |
Multiple | 2013-09-05 | ValidFAA registration status code V: Valid registration. All codes |
| N2291H | Piper PA-28-161 |
Fixed-wing, single engine | Command Aviation Bellingham, Washington |
Standard | 2013-09-04 | ValidFAA registration status code V: Valid registration. All codes |
| N459PS | Smith William D SMITH SPECIAL PS 1 |
Fixed-wing, single engine | Individual owner Indiana |
Experimental | 2013-09-04 | ValidFAA registration status code V: Valid registration. All codes |
| N500TF | Cessna 172N |
Fixed-wing, single engine | Pine Bluff Police Department Pine Bluff, Arkansas |
Standard | 2013-09-04 | ValidFAA registration status code V: Valid registration. All codes |
| N5756Y | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner California |
Standard | 2013-09-04 | ValidFAA registration status code V: Valid registration. All codes |
| N737AM | Cessna 172N |
Fixed-wing, single engine | California Aviation Services INC Riverside, California |
Standard | 2013-09-04 | ValidFAA registration status code V: Valid registration. All codes |
| N9849L | Cessna 172P |
Fixed-wing, single engine | Dynasty Adventure INC Wilmington, Delaware |
Standard | 2013-09-04 | ValidFAA registration status code V: Valid registration. All codes |
| N362BL | Cessna 172N |
Fixed-wing, single engine | Individual owner New York |
Standard | 2013-09-03 | ValidFAA registration status code V: Valid registration. All codes |
| N73338 | Cessna 172M |
Fixed-wing, single engine | Einarson Flying Service Intl Falls, Minnesota |
Standard | 2013-09-03 | ValidFAA registration status code V: Valid registration. All codes |
| N727FL | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner California |
Standard | 2013-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N9910Q | Cessna 172M |
Fixed-wing, single engine | Individual owner Kansas |
Standard | 2013-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N32JV | Voyles VOYLES MUSTANG II |
Fixed-wing, single engine | Individual owner Ohio |
Experimental | 2013-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N3447P | Piper PA-23-160 |
Fixed-wing, multi-engine | Individual owner Virginia |
Standard | 2013-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N5524W | Piper PA-28-150 |
Fixed-wing, single engine | Individual owner Virginia |
Standard | 2013-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N6850Z | Piper PA-18-150 |
Fixed-wing, single engine | Wagner Construction INC Intl Falls, Minnesota |
Multiple | 2013-08-29 | ValidFAA registration status code V: Valid registration. All codes |
| N2150F | Piper PA-28-161 |
Fixed-wing, single engine | Shoreline Aviation INC Marshfield, Massachusetts |
Standard | 2013-08-28 | ValidFAA registration status code V: Valid registration. All codes |
| N410RD | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2013-08-28 | ValidFAA registration status code V: Valid registration. All codes |
| N4615R | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Massachusetts |
Standard | 2013-08-28 | ValidFAA registration status code V: Valid registration. All codes |
| N225QZ | Champion 7GCBC |
Fixed-wing, single engine | Individual owner Utah |
Standard | 2013-08-27 | ValidFAA registration status code V: Valid registration. All codes |
| N5041Z | Piper PA-18 |
Fixed-wing, single engine | Co-owned owner Minnesota |
Standard | 2013-08-26 | ValidFAA registration status code V: Valid registration. All codes |
| N733SL | Cessna 172N |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2013-08-26 | ValidFAA registration status code V: Valid registration. All codes |
| N7900G | Cessna 172L |
Fixed-wing, single engine | Great Plains Enterprises LLC Wilmington, Ohio |
Standard | 2013-08-26 | ValidFAA registration status code V: Valid registration. All codes |
| N805GS | Sloan Gene Jr THORP T-18 |
Fixed-wing, single engine | Individual owner Tennessee |
Experimental | 2013-08-26 | ValidFAA registration status code V: Valid registration. All codes |
| N8755A | Maurer Randall RV8-160A |
Fixed-wing, single engine | Bluegrass Aircraft Group LLC Benton, Kansas |
Experimental | 2013-08-26 | ValidFAA registration status code V: Valid registration. All codes |
| N3016T | Piper PA-28-161 |
Fixed-wing, single engine | Co-owned owner California |
Standard | 2013-08-23 | ValidFAA registration status code V: Valid registration. All codes |
| N65626 | Cessna 172P |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2013-08-23 | ValidFAA registration status code V: Valid registration. All codes |
| N7522R | Piper PA-28-140 |
Fixed-wing, single engine | Red Baron Flying Club LLC Oneida, New York |
Standard | 2013-08-23 | ValidFAA registration status code V: Valid registration. All codes |
| N6091L | Grumman American Avn. Corp. AA-5 |
Fixed-wing, single engine | Individual owner New York |
Standard | 2013-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N624SE | Piper PA-18-150 |
Fixed-wing, single engine | Prysi Mary H Dundee, Ohio |
Standard | 2013-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N5124R | Cessna 172M |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2013-08-21 | ValidFAA registration status code V: Valid registration. All codes |
| N9696L | Cessna 172P |
Fixed-wing, single engine | Any Border LLC Yankton, South Dakota |
Standard | 2013-08-21 | ValidFAA registration status code V: Valid registration. All codes |
| N7138D | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Michigan |
Standard | 2013-08-20 | ValidFAA registration status code V: Valid registration. All codes |
| N4131Z | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Alaska |
Multiple | 2013-08-16 | ValidFAA registration status code V: Valid registration. All codes |
| N5260W | Piper PA-28 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2013-08-16 | ValidFAA registration status code V: Valid registration. All codes |
| N7155L | Grumman American Avn. Corp. AA-5 |
Fixed-wing, single engine | Individual owner California |
Standard | 2013-08-16 | ValidFAA registration status code V: Valid registration. All codes |
| N733ZE | Cessna 172N |
Fixed-wing, single engine | Kgr Aviation LLC Austin, Texas |
Standard | 2013-08-16 | ValidFAA registration status code V: Valid registration. All codes |
| N5039L | Bellanca 7GCBC |
Fixed-wing, single engine | Greyhawk Aviation LLC Erie, Colorado |
Standard | 2013-08-15 | ValidFAA registration status code V: Valid registration. All codes |
| N61839 | Cessna 172M |
Fixed-wing, single engine | Co-owned owner Minnesota |
Standard | 2013-08-15 | ValidFAA registration status code V: Valid registration. All codes |
| N41937 | Piper PA-28-151 |
Fixed-wing, single engine | Calumet Aero LLC Crown Point, Indiana |
Standard | 2013-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N444ZZ | Robinson Helicopter R22 BETA |
Helicopter | Emerald City Aircraft Leasing INC Port Orchard, Washington |
Standard | 2013-08-13 | ValidFAA registration status code V: Valid registration. All codes |
| N73660 | Cessna 172N |
Fixed-wing, single engine | Individual owner Oklahoma |
Standard | 2013-08-13 | ValidFAA registration status code V: Valid registration. All codes |
| N748HH | Robinson Helicopter R22 BETA |
Helicopter | Emerald City Aircraft Leasing INC Port Orchard, Washington |
Standard | 2013-08-13 | ValidFAA registration status code V: Valid registration. All codes |
| N80142 | Robinson Helicopter R22 BETA |
Helicopter | Emerald City Aircraft Leasing INC Port Orchard, Washington |
Standard | 2013-08-13 | ValidFAA registration status code V: Valid registration. All codes |
| N8038A | Robinson Helicopter R22 BETA |
Helicopter | Emerald City Aircraft Leasing INC Port Orchard, Washington |
Standard | 2013-08-13 | ValidFAA registration status code V: Valid registration. All codes |
| N8045K | Robinson Helicopter R22 BETA |
Helicopter | Emerald City Aircraft Leasing INC Port Orchard, Washington |
Standard | 2013-08-13 | ValidFAA registration status code V: Valid registration. All codes |
| N8416J | Robinson Helicopter R22 |
Helicopter | Emerald City Aircraft Leasing INC Port Orchard, Washington |
Standard | 2013-08-13 | ValidFAA registration status code V: Valid registration. All codes |
| N19609 | Cessna 172L |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2013-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N337GF | Cessna 172K |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2013-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N3939Z | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Nebraska |
Standard | 2013-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N75164 | Piper PA-28-151 |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2013-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N8120X | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner Mississippi |
Standard | 2013-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N377HG | American Champion Aircraft 7GCBC |
Fixed-wing, single engine | Individual owner Pennsylvania |
Standard | 2013-08-09 | ValidFAA registration status code V: Valid registration. All codes |
| N4124E | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner South Dakota |
Standard | 2013-08-09 | ValidFAA registration status code V: Valid registration. All codes |
| N557SW | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Michigan |
Standard | 2013-08-09 | ValidFAA registration status code V: Valid registration. All codes |
| N478LC | Lawler Christopher PITTS S1S |
Fixed-wing, single engine | Individual owner Pennsylvania |
Experimental | 2013-08-08 | ValidFAA registration status code V: Valid registration. All codes |
| N64053 | Cessna 172M |
Fixed-wing, single engine | Co-owned owner Massachusetts |
Standard | 2013-08-08 | ValidFAA registration status code V: Valid registration. All codes |
| N881WA | Cessna 172K |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2013-08-08 | ValidFAA registration status code V: Valid registration. All codes |
| N3410T | Cessna 177 |
Fixed-wing, single engine | Individual owner California |
Standard | 2013-08-06 | ValidFAA registration status code V: Valid registration. All codes |
| N36276 | Piper PA-28-161 |
Fixed-wing, single engine | Individual owner Wisconsin |
Standard | 2013-08-06 | ValidFAA registration status code V: Valid registration. All codes |
| N32847 | Piper PA-28-151 |
Fixed-wing, single engine | International Air Services INC Trustee Carson City, Nevada |
Standard | 2013-08-05 | ValidFAA registration status code V: Valid registration. All codes |
| N21553 | Cessna 172M |
Fixed-wing, single engine | Individual owner Michigan |
Standard | 2013-08-02 | ValidFAA registration status code V: Valid registration. All codes |
| N3177 | Cessna 177 |
Fixed-wing, single engine | Individual owner Ohio |
Standard | 2013-08-02 | 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.
