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 |
|---|---|---|---|---|---|---|
| N61658 | Cessna 172M |
Fixed-wing, single engine | Nationwide Aviation LLC Hudson Oaks, Texas |
Standard | 2024-06-30 | ValidFAA registration status code V: Valid registration. All codes |
| N61813 | Cessna 172M |
Fixed-wing, single engine | Nationwide Aviation LLC Hudson Oak, Texas |
Standard | 2024-06-30 | ValidFAA registration status code V: Valid registration. All codes |
| N73192 | Cessna 172M |
Fixed-wing, single engine | Nationwide Aviation LLC Hudson Oaks, Texas |
Standard | 2024-06-30 | ValidFAA registration status code V: Valid registration. All codes |
| N73477 | Cessna 172M |
Fixed-wing, single engine | Nationwide Aviation LLC Hudson Oaks, Texas |
Standard | 2024-06-30 | ValidFAA registration status code V: Valid registration. All codes |
| N8VY | Varga Aircraft Corp. 2150A |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2024-06-30 | ValidFAA registration status code V: Valid registration. All codes |
| N21323 | Piper PA-28-161 |
Fixed-wing, single engine | A2T Guys Aviation LLC Williamston, Michigan |
Standard | 2024-06-29 | ValidFAA registration status code V: Valid registration. All codes |
| N2347Z | Beech 23 |
Fixed-wing, single engine | Individual owner New York |
Standard | 2024-06-29 | ValidFAA registration status code V: Valid registration. All codes |
| N2879Q | Cessna 172L |
Fixed-wing, single engine | Blue Side Aviation LLC Tampa, Florida |
Standard | 2024-06-29 | ValidFAA registration status code V: Valid registration. All codes |
| N5513W | Piper PA-28-150 |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2024-06-29 | ValidFAA registration status code V: Valid registration. All codes |
| N8803 | Bellanca 7GCBC |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2024-06-29 | ValidFAA registration status code V: Valid registration. All codes |
| N19630 | Cessna 172L |
Fixed-wing, single engine | Individual owner Puerto Rico |
Standard | 2024-06-28 | ValidFAA registration status code V: Valid registration. All codes |
| N2128C | Guice John J LONG EZ |
Fixed-wing, single engine | Individual owner North Carolina |
Experimental | 2024-06-28 | ValidFAA registration status code V: Valid registration. All codes |
| N4370A | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2024-06-28 | ValidFAA registration status code V: Valid registration. All codes |
| N4451A | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2024-06-28 | ValidFAA registration status code V: Valid registration. All codes |
| N5854L | American AA-5 |
Fixed-wing, single engine | Individual owner Louisiana |
Standard | 2024-06-27 | ValidFAA registration status code V: Valid registration. All codes |
| N7285L | Grumman American Avn. Corp. AA-5 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2024-06-27 | ValidFAA registration status code V: Valid registration. All codes |
| N335DP | Robinson Helicopter R22 BETA |
Helicopter | Advanced Aviation Group LLC Frederick, Maryland |
Standard | 2024-06-26 | ValidFAA registration status code V: Valid registration. All codes |
| N5057T | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2024-06-26 | ValidFAA registration status code V: Valid registration. All codes |
| N5623U | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner New Mexico |
Standard | 2024-06-26 | ValidFAA registration status code V: Valid registration. All codes |
| N7479R | Piper PA-28-140 |
Fixed-wing, single engine | Dnr Solutions LLC Idaho Falls, Idaho |
Standard | 2024-06-26 | ValidFAA registration status code V: Valid registration. All codes |
| N7TG | Gibbs Timothy R RV-4 |
Fixed-wing, single engine | Individual owner Virginia |
Experimental | 2024-06-26 | ValidFAA registration status code V: Valid registration. All codes |
| N80511 | Cessna 172M |
Fixed-wing, single engine | American Patrols INC Midland, Texas |
Standard | 2024-06-26 | ValidFAA registration status code V: Valid registration. All codes |
| N817Z | Cessna 172M |
Fixed-wing, single engine | Individual owner New York |
Standard | 2024-06-26 | ValidFAA registration status code V: Valid registration. All codes |
| N95HD | Dierks Herman Dietrich Jr RV-4 |
Fixed-wing, single engine | Individual owner Louisiana |
Experimental | 2024-06-26 | ValidFAA registration status code V: Valid registration. All codes |
| N968DH | Piper PA-18-150 |
Fixed-wing, single engine | Alarado Aviation LLC Chugiak, Alaska |
Standard | 2024-06-26 | ValidFAA registration status code V: Valid registration. All codes |
| N1550V | Cessna 172M |
Fixed-wing, single engine | Jar Investments LLC Kalispell, Montana |
Standard | 2024-06-25 | ValidFAA registration status code V: Valid registration. All codes |
| N1690P | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Arkansas |
Standard | 2024-06-25 | ValidFAA registration status code V: Valid registration. All codes |
| N5722U | Piper PA-28-140 |
Fixed-wing, single engine | Co-owned owner Kansas |
Standard | 2024-06-25 | ValidFAA registration status code V: Valid registration. All codes |
| N6757B | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Arkansas |
Standard | 2024-06-25 | ValidFAA registration status code V: Valid registration. All codes |
| N12760 | Cessna 172M |
Fixed-wing, single engine | Individual owner Colorado |
Standard | 2024-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N15504 | Piper PA-28-140 |
Fixed-wing, single engine | N15504 LLC Eatontown, New Jersey |
Standard | 2024-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N200YR | Piper PA-28-151 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2024-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N2758 | Cessna 172M |
Fixed-wing, single engine | Panair Flying Club INC Miami, Florida |
Standard | 2024-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N295DA | Piper PA-28-140 |
Fixed-wing, single engine | Jackson Construction LLC Charleston, South Carolina |
Standard | 2024-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N3931K | Piper PA-28-140 |
Fixed-wing, single engine | Alpha 1 Aviation LLC Helena, Alabama |
Standard | 2024-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N4312R | Cessna 172M |
Fixed-wing, single engine | Horizon Group INC Trustee Boca Raton, Florida |
Standard | 2024-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N44592 | Piper PA-28-151 |
Fixed-wing, single engine | V V S Implements LLC Wilmington, Delaware |
Standard | 2024-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N54479 | Piper PA-28-140 |
Fixed-wing, single engine | Two2Fly Aviation LLC League City, Texas |
Standard | 2024-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N5570M | Aero Commander 100 |
Fixed-wing, single engine | Flythebat.Com LLC Chicago, Illinois |
Standard | 2024-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N5631U | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2024-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N6933W | Piper PA-28-140 |
Fixed-wing, single engine | Alpha 1 Aviation LLC Helena, Alabama |
Standard | 2024-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N7212Q | Cessna 172L |
Fixed-wing, single engine | Link Air Service LLC Minong, Wisconsin |
Standard | 2024-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N8318R | Piper PA-28-140 |
Fixed-wing, single engine | Air Wave Holdings LLC Porter, Texas |
Standard | 2024-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N8904D | Piper PA-22-160 |
Fixed-wing, single engine | Individual owner Oregon |
Standard | 2024-06-24 | ValidFAA registration status code V: Valid registration. All codes |
| N723GA | Grumman American Avn. Corp. GA-7 |
Fixed-wing, multi-engine | Long Island Aviators LLC Seaford, New York |
Standard | 2024-06-23 | ValidFAA registration status code V: Valid registration. All codes |
| N123UC | Cessna 172P |
Fixed-wing, single engine | Individual owner Virginia |
Standard | 2024-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N155BY | American AA-5 |
Fixed-wing, single engine | Individual owner California |
Standard | 2024-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N241CF | Piper PA-23 |
Fixed-wing, multi-engine | Individual owner Iowa |
Standard | 2024-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N26299 | Grumman American Avn. Corp. AA-5A |
Fixed-wing, single engine | Individual owner New Jersey |
Standard | 2024-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N28FF | Piper PA-28-150 |
Fixed-wing, single engine | Individual owner Georgia |
Standard | 2024-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N4023Z | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Alaska |
Restricted | 2024-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N4717J | Beech A23-19 |
Fixed-wing, single engine | Brock Aviation Flight School LLC Douglasville, Georgia |
Standard | 2024-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N5089J | Cessna 172N |
Fixed-wing, single engine | Co-owned owner Colorado |
Standard | 2024-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N5988Z | Piper PA-18-150 |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2024-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N6755B | Piper PA-22-150 |
Fixed-wing, single engine | Twotards Aviation LLC Moses Lake, Washington |
Standard | 2024-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N7908L | Beech A23-19 |
Fixed-wing, single engine | USA Aircraft Leasing LLC Dover, Delaware |
Standard | 2024-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N198ED | American Champion Aircraft 7GCAA |
Fixed-wing, single engine | Kv Helicopters LLC Lititz, Pennsylvania |
Standard | 2024-06-21 | ValidFAA registration status code V: Valid registration. All codes |
| N2893X | Cessna 177 |
Fixed-wing, single engine | Co-owned owner Kansas |
Standard | 2024-06-21 | ValidFAA registration status code V: Valid registration. All codes |
| N32731 | Piper PA-28-151 |
Fixed-wing, single engine | Reels Up LLC Middletown, Delaware |
Standard | 2024-06-21 | ValidFAA registration status code V: Valid registration. All codes |
| N35738 | Cessna 172I |
Fixed-wing, single engine | Plane Life LLC Wilmington, Delaware |
Standard | 2024-06-21 | ValidFAA registration status code V: Valid registration. All codes |
| N551AP | Cessna 172P |
Fixed-wing, single engine | Cappe Investment Group LLC Homestead, Florida |
Standard | 2024-06-21 | ValidFAA registration status code V: Valid registration. All codes |
| N5578U | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Florida |
Standard | 2024-06-21 | ValidFAA registration status code V: Valid registration. All codes |
| N6175T | Guest Aaron M RV-4 |
Fixed-wing, single engine | Individual owner Texas |
Experimental | 2024-06-21 | ValidFAA registration status code V: Valid registration. All codes |
| N737FH | Cessna 172N |
Fixed-wing, single engine | Eagle Simulator LLC Lake Oswego, Oregon |
Standard | 2024-06-21 | ValidFAA registration status code V: Valid registration. All codes |
| N78330 | Cessna 172K |
Fixed-wing, single engine | Wings Over Texas Holdings LLC Denton, Texas |
Standard | 2024-06-21 | ValidFAA registration status code V: Valid registration. All codes |
| N85BR | Rich Beryl G RV4 |
Fixed-wing, single engine | Individual owner Oregon |
Experimental | 2024-06-21 | ValidFAA registration status code V: Valid registration. All codes |
| N9077K | Piper PA-28-161 |
Fixed-wing, single engine | Pacific Coast Aero INC Torrance, California |
Standard | 2024-06-21 | ValidFAA registration status code V: Valid registration. All codes |
| N95181 | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Pennsylvania |
Standard | 2024-06-21 | ValidFAA registration status code V: Valid registration. All codes |
| N9750Q | Cessna 172M |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2024-06-21 | ValidFAA registration status code V: Valid registration. All codes |
| N19803 | Cessna 172M |
Fixed-wing, single engine | American Patrols INC Midland, Texas |
Standard | 2024-06-20 | ValidFAA registration status code V: Valid registration. All codes |
| N57458 | Bellanca 7GCBC |
Fixed-wing, single engine | Flytrek3 LLC Palmer, Alaska |
Multiple | 2024-06-20 | ValidFAA registration status code V: Valid registration. All codes |
| N7197G | Cessna 172K |
Fixed-wing, single engine | Fly Wissota LLC Chippewa Falls, Wisconsin |
Standard | 2024-06-20 | ValidFAA registration status code V: Valid registration. All codes |
| N734BZ | Cessna 172N |
Fixed-wing, single engine | Individual owner North Carolina |
Standard | 2024-06-20 | ValidFAA registration status code V: Valid registration. All codes |
| N8126E | Cessna 172N |
Fixed-wing, single engine | Individual owner Arkansas |
Standard | 2024-06-20 | ValidFAA registration status code V: Valid registration. All codes |
| N8148J | Piper PA-28-161 |
Fixed-wing, single engine | Air Winner LLC Warner Robins, Georgia |
Standard | 2024-06-20 | ValidFAA registration status code V: Valid registration. All codes |
| N92894 | Cessna 172M |
Fixed-wing, single engine | Individual owner California |
Standard | 2024-06-20 | ValidFAA registration status code V: Valid registration. All codes |
| N9324D | Piper PA-22-160 |
Fixed-wing, single engine | Withheld at owner's request | Standard | 2024-06-20 | ValidFAA registration status code V: Valid registration. All codes |
| N2391T | Piper PA-28-140 |
Fixed-wing, single engine | Lotnicza LLC Houston, Texas |
Standard | 2024-06-18 | ValidFAA registration status code V: Valid registration. All codes |
| N2746P | Piper PA-22-150 |
Fixed-wing, single engine | Individual owner Utah |
Standard | 2024-06-18 | ValidFAA registration status code V: Valid registration. All codes |
| N40882 | Piper PA-28-151 |
Fixed-wing, single engine | Flight Factory LLC Danville, California |
Standard | 2024-06-18 | ValidFAA registration status code V: Valid registration. All codes |
| N4346F | Piper PA-28-151 |
Fixed-wing, single engine | Individual owner California |
Standard | 2024-06-18 | ValidFAA registration status code V: Valid registration. All codes |
| N5019W | Piper PA-28-160 |
Fixed-wing, single engine | Individual owner Oregon |
Standard | 2024-06-18 | ValidFAA registration status code V: Valid registration. All codes |
| N6560W | Piper PA-28-140 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2024-06-18 | ValidFAA registration status code V: Valid registration. All codes |
| N733CE | Cessna 172N |
Fixed-wing, single engine | N2893E LLC Reno, Nevada |
Standard | 2024-06-18 | ValidFAA registration status code V: Valid registration. All codes |
| N7476R | Piper PA-28-140 |
Fixed-wing, single engine | Co-owned owner Washington |
Standard | 2024-06-18 | ValidFAA registration status code V: Valid registration. All codes |
| N8890K | Piper PA-28-140 |
Fixed-wing, single engine | Fgds Aviation LLC North Fort Myers, Florida |
Standard | 2024-06-18 | ValidFAA registration status code V: Valid registration. All codes |
| N9693D | Piper PA-18A 150 |
Fixed-wing, single engine | Individual owner Minnesota |
Multiple | 2024-06-18 | ValidFAA registration status code V: Valid registration. All codes |
| N172JL | Cessna 172K |
Fixed-wing, single engine | Sutton Aircraft Salvage LLC Palmer, Alaska |
Standard | 2024-06-17 | ValidFAA registration status code V: Valid registration. All codes |
| N6182D | Piper PA-18 |
Fixed-wing, single engine | Gr8Daynevada LLC Carson City, Nevada |
Restricted | 2024-06-17 | ValidFAA registration status code V: Valid registration. All codes |
| N63174 | Cessna 172P |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2024-06-17 | ValidFAA registration status code V: Valid registration. All codes |
| N68DG | American Champion Aircraft 7GCBC |
Fixed-wing, single engine | Individual owner Alaska |
Standard | 2024-06-17 | ValidFAA registration status code V: Valid registration. All codes |
| N73785 | Cessna 172N |
Fixed-wing, single engine | Sierra Sky Aviation LLC Whitefish, Montana |
Standard | 2024-06-17 | ValidFAA registration status code V: Valid registration. All codes |
| N738LH | Cessna 172N |
Fixed-wing, single engine | Lh Enterprise LLC Eads, Tennessee |
Standard | 2024-06-17 | ValidFAA registration status code V: Valid registration. All codes |
| N739DW | Cessna 172N |
Fixed-wing, single engine | Kayo Air Service INC Harlingen, Texas |
Standard | 2024-06-17 | ValidFAA registration status code V: Valid registration. All codes |
| N7562G | Cessna 172L |
Fixed-wing, single engine | Wings Over Texas Holdings LLC Denton, Texas |
Standard | 2024-06-17 | ValidFAA registration status code V: Valid registration. All codes |
| N9071L | Champion 7GCBC |
Fixed-wing, single engine | Individual owner Idaho |
Standard | 2024-06-17 | ValidFAA registration status code V: Valid registration. All codes |
| N9166L | Bellanca 7GCBC |
Fixed-wing, single engine | Sutton Aircraft Salvage LLC Palmer, Alaska |
Standard | 2024-06-17 | ValidFAA registration status code V: Valid registration. All codes |
| N936AZ | Cessna 172N |
Fixed-wing, single engine | N936Az LLC Miami, Florida |
Standard | 2024-06-17 | ValidFAA registration status code V: Valid registration. All codes |
| N938AZ | Cessna 172N |
Fixed-wing, single engine | N938Az LLC Miami, Florida |
Standard | 2024-06-17 | ValidFAA registration status code V: Valid registration. All codes |
| N9821U | Grumman American Avn. Corp. AA-5A |
Fixed-wing, single engine | Coquimbo Capital Holdings LLC Sandy, Utah |
Standard | 2024-06-17 | 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.
