Lycoming IO-720
120 aircraft on the U.S. register carry a Lycoming IO-720 engine, rated at about 400 horsepower. The Piper PA-24 Comanche is the model most often fitted with it (72 aircraft). The aircraft carrying it were built between 1960 and 2021.
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 IO-720. FAA spelling: IO-720.
Fitted to model families
Piper PA-24 Comanche · Piper PA-36 Pawnee Brave · Beechcraft 65 · Aero Commander 680 · Aero Commander 500 · Beechcraft A65 · Beechcraft D-50 · Dehavilland DH104 DOVE 6A · Evans George SPORT BIPLANE · Gordon Glen GORDON-SHERPA
Where they are owner's state
Kind of aircraft
When the aircraft were built by decade
What the FAA has certified, ordered and been told about the Lycoming IO-720 the component layer
The design is held under 1 type certificate (1E15, held by Textron Lycoming Subsidiary of Textron INC.). The FAA has issued 25 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 36 failure reports with the FAA since 1995, 11 of them in the last ten years.
FAA orders 25 airworthiness directives · newest first
Failure reports 36 since · what operators and shops told the FAA
Parts most often reported as the reports name them
Latest reports
Certificates and bulletins
Safety bulletins 3 · 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
- Piper PA-24 Comanche 72 with this engine series
- Piper PA-36 Pawnee Brave 20 with this engine series
- Beechcraft 65 16 with this engine series
- Aero Commander 680 2 with this engine series
- Aero Commander 500 1 with this engine series
- Beechcraft A65 1 with this engine series
- Beechcraft D-50 1 with this engine series
- Helio Aircraft Ltd H800 1 with this engine series
- Texas 13 of these aircraft
- Florida 11 of these aircraft
- Minnesota 9 of these aircraft
- Delaware 7 of these aircraft
- California 7 of these aircraft
- Bemidji Aviation Services INC 8 of these aircraft
- Piper Aircraft INC 3 of these aircraft
- Mid Continent Aircraft CORP 2 of these aircraft
- Twin Aviation LLC 1 of these aircraft
- FAA orders naming the Lycoming IO-720 25 airworthiness directives
- Failure reports on the Lycoming IO-720 36 reports since 1995
These connections as data: /graph/engine/lycoming-io-720.json · about the eFlight graph.
Aircraft newest certificates first · 120
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N400FK | Piper PA-24-400 |
Fixed-wing, single engine | Co-owned owner Arizona |
Standard | 2026-10-06 | ValidFAA registration status code V: Valid registration. All codes |
| N8493P | Piper PA-24-400 |
Fixed-wing, single engine | Keystone Flyer LLC Avon, Indiana |
Standard | 2026-09-18 | ValidFAA registration status code V: Valid registration. All codes |
| N8486P | Piper PA-24-400 |
Fixed-wing, single engine | Haawq Air LLC Brookshire, Texas |
Standard | 2026-09-01 | ValidFAA registration status code V: Valid registration. All codes |
| N8475P | Piper PA-24-400 |
Fixed-wing, single engine | Blackdog Air LLC Wilmington, Delaware |
Standard | 2026-05-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8533P | Piper PA-24-400 |
Fixed-wing, single engine | Jacobs Aviation LLC Mount Juliet, Tennessee |
Standard | 2026-05-15 | ValidFAA registration status code V: Valid registration. All codes |
| N400PA | Piper PA-24-400 |
Fixed-wing, single engine | N6105S LLC Norwood, North Carolina |
Standard | 2026-05-07 | ValidFAA registration status code V: Valid registration. All codes |
| N3958E | Piper PA-36-375 |
Fixed-wing, single engine | Individual owner North Dakota |
Restricted | 2026-02-22 | ValidFAA registration status code V: Valid registration. All codes |
| N102RR | Aero Commander 680FL P |
Fixed-wing, multi-engine | Moyer Aviation Ll C Katy, Texas |
Standard | 2026-02-03 | ValidFAA registration status code V: Valid registration. All codes |
| N400BV | Evans George SPORT BIPLANE |
Fixed-wing, single engine | Carello Aerospace LLC Deltona, Florida |
Experimental | 2025-12-24 | ValidFAA registration status code V: Valid registration. All codes |
| N711SA | Gordon Glen GORDON-SHERPA |
Fixed-wing, single engine | Individual owner Oregon |
Experimental | 2025-11-05 | ValidFAA registration status code V: Valid registration. All codes |
| N8624P | Piper PA-24-400 |
Fixed-wing, single engine | Aviation Classics LTD Reno, Nevada |
Standard | 2025-10-07 | ValidFAA registration status code V: Valid registration. All codes |
| N810AD | Beech 65-B80 |
Fixed-wing, multi-engine | Gulf States Air INC Bossier City, Louisiana |
Standard | 2025-06-25 | ValidFAA registration status code V: Valid registration. All codes |
| N8538P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner New Mexico |
Standard | 2025-02-01 | ValidFAA registration status code V: Valid registration. All codes |
| N117WB | Beech D50C |
Fixed-wing, multi-engine | Individual owner Virginia |
Standard | 2024-10-30 | ValidFAA registration status code V: Valid registration. All codes |
| N8459P | Piper PA-24-400 |
Fixed-wing, single engine | Diesel LLC Concord, North Carolina |
Standard | 2024-10-07 | ValidFAA registration status code V: Valid registration. All codes |
| N2338X | Piper PA-36-375 |
Fixed-wing, single engine | Hangar 8 Spray Service LLC Clark, South Dakota |
Restricted | 2024-10-04 | ValidFAA registration status code V: Valid registration. All codes |
| N8491P | Piper PA-24-400 |
Fixed-wing, single engine | Co-owned owner South Dakota |
Standard | 2024-10-04 | ValidFAA registration status code V: Valid registration. All codes |
| N8497P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2024-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N911PY | Beech 65 |
Fixed-wing, multi-engine | Orchtrans INC Trustee Wilmington, Delaware |
Standard | 2024-02-18 | ValidFAA registration status code V: Valid registration. All codes |
| N8613P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2024-01-15 | ValidFAA registration status code V: Valid registration. All codes |
| N6174A | Piper PA-36-375 |
Fixed-wing, single engine | Dakota Air Spray LLC Huron, South Dakota |
Restricted | 2023-11-01 | ValidFAA registration status code V: Valid registration. All codes |
| N103MP | Beech 65 |
Fixed-wing, multi-engine | Individual owner North Carolina |
Standard | 2023-08-26 | ValidFAA registration status code V: Valid registration. All codes |
| N8474P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Kentucky |
Standard | 2023-08-17 | ValidFAA registration status code V: Valid registration. All codes |
| N800T | Aero Commander 680-F |
Fixed-wing, multi-engine | Twin Aviation LLC Coushatta, Louisiana |
Standard | 2023-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N57084 | Aero Commander 500 S |
Fixed-wing, multi-engine | Sunflower Aviation LLC Wilmington, Delaware |
Standard | 2023-06-13 | ValidFAA registration status code V: Valid registration. All codes |
| N400HR | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-05-27 | ValidFAA registration status code V: Valid registration. All codes |
| N8519P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Oklahoma |
Multiple | 2023-05-09 | ValidFAA registration status code V: Valid registration. All codes |
| N8481P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2023-04-28 | ValidFAA registration status code V: Valid registration. All codes |
| N8542P | Piper PA-24-400 |
Fixed-wing, single engine | Pro Aviation LLC Allen, Texas |
Standard | 2023-02-12 | ValidFAA registration status code V: Valid registration. All codes |
| N2451V | Piper PA-36-375 |
Fixed-wing, single engine | Hatfield Spraying Service INC Nunica, Michigan |
Restricted | 2022-11-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8456P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Louisiana |
Standard | 2022-10-28 | ValidFAA registration status code V: Valid registration. All codes |
| N980P | Piper PA-24-400 |
Fixed-wing, single engine | Co-owned owner Illinois |
Standard | 2022-09-22 | ValidFAA registration status code V: Valid registration. All codes |
| N400NQ | Piper PA-24-400 |
Fixed-wing, single engine | N400Nq LLC Gleeley, Colorado |
Standard | 2022-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N847SP | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner California |
Standard | 2022-05-17 | ValidFAA registration status code V: Valid registration. All codes |
| N8498P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Arizona |
Standard | 2022-03-11 | ValidFAA registration status code V: Valid registration. All codes |
| N8458P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Indiana |
Standard | 2022-03-09 | ValidFAA registration status code V: Valid registration. All codes |
| N772S | Dehavilland DH104 DOVE 6A |
Fixed-wing, multi-engine | Aero Legacy Foundation Leavenworth, Kansas |
Standard | 2022-02-28 | ValidFAA registration status code V: Valid registration. All codes |
| N8525P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Connecticut |
Standard | 2021-11-23 | ValidFAA registration status code V: Valid registration. All codes |
| N88WB | Piper PA-24-400 |
Fixed-wing, single engine | Jason Aviation LLC Wilmington, Delaware |
Standard | 2021-10-04 | ValidFAA registration status code V: Valid registration. All codes |
| N8515P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Utah |
Special flight permit | 2021-08-12 | ValidFAA registration status code V: Valid registration. All codes |
| N8401P | Piper PA-24-400 |
Fixed-wing, single engine | Precision Design INC Weatherford, Oklahoma |
Experimental | 2021-08-11 | ValidFAA registration status code V: Valid registration. All codes |
| N8509P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Texas |
Experimental | 2021-07-29 | ValidFAA registration status code V: Valid registration. All codes |
| N4153E | Piper PA-36-375 |
Fixed-wing, single engine | Individual owner Iowa |
Restricted | 2021-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N41323 | Piper PA-36-285 |
Fixed-wing, single engine | Individual owner North Dakota |
Restricted | 2021-06-25 | ValidFAA registration status code V: Valid registration. All codes |
| N8602P | Piper PA-24-400 |
Fixed-wing, single engine | Malibu Rising LLC Phoenix, Arizona |
Standard | 2021-06-10 | ValidFAA registration status code V: Valid registration. All codes |
| N780MM | Trike Industries Llc CCK-2000 |
Fixed-wing, single engine | Trike Industries LLC Draper, Utah |
Experimental | 2021-05-17 | ValidFAA registration status code V: Valid registration. All codes |
| N8786P | Piper PA-24-400 |
Fixed-wing, single engine | Co-owned owner Colorado |
Standard | 2021-04-05 | ValidFAA registration status code V: Valid registration. All codes |
| N3801E | Piper PA-36-375 |
Fixed-wing, single engine | Acwercs International INC Wilmington, Delaware |
Standard | 2020-09-25 | ValidFAA registration status code V: Valid registration. All codes |
| N8739P | Piper PA-24-260 |
Fixed-wing, single engine | Individual owner Iowa |
Standard | 2020-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N400CJ | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Nebraska |
Standard | 2020-06-03 | ValidFAA registration status code V: Valid registration. All codes |
| N8438P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2020-04-16 | ValidFAA registration status code V: Valid registration. All codes |
| N400PP | Piper PA-24-400 |
Fixed-wing, single engine | Mig Aviation LLC Sandy, Utah |
Standard | 2019-11-25 | ValidFAA registration status code V: Valid registration. All codes |
| N8477P | Piper PA-24-400 |
Fixed-wing, single engine | D F Osborne Construction INC Topeka, Kansas |
Standard | 2019-09-12 | ValidFAA registration status code V: Valid registration. All codes |
| N400WG | Piper PA-24-400 |
Fixed-wing, single engine | Standard | 2019-07-30 | ValidFAA registration status code V: Valid registration. All codes | |
| N400GC | Piper PA-24-400 |
Fixed-wing, single engine | Northern Sky Aviation LLC Harbor Springs, Michigan |
Standard | 2019-06-05 | ValidFAA registration status code V: Valid registration. All codes |
| N8520P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2019-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N142TP | Beech 65 |
Fixed-wing, multi-engine | Georgia Florida Aviation Search Team Monticello, Florida |
Standard | 2018-09-24 | ValidFAA registration status code V: Valid registration. All codes |
| N8421P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2018-07-19 | ValidFAA registration status code V: Valid registration. All codes |
| N844N | Beech 65 |
Fixed-wing, multi-engine | Bemidji Aviation Services INC Bemidji, Minnesota |
Special flight permit | 2018-07-13 | ValidFAA registration status code V: Valid registration. All codes |
| N2352X | Piper PA-36-375 |
Fixed-wing, single engine | Flying G Aviation INC Drayton, North Dakota |
Restricted | 2018-07-03 | ValidFAA registration status code V: Valid registration. All codes |
| N8526P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner California |
Standard | 2018-05-23 | ValidFAA registration status code V: Valid registration. All codes |
| N8414P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Colorado |
Experimental | 2017-10-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8536P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Nevada |
Standard | 2017-10-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8400P | Piper PA-24-400 |
Fixed-wing, single engine | Piper Aviation Museum Foundation INC Lock Haven, Pennsylvania |
Standard | 2017-10-04 | ValidFAA registration status code V: Valid registration. All codes |
| N3833E | Piper PA-36-375 |
Fixed-wing, single engine | Valley Spraying Service LLC Gann Valley, South Dakota |
Restricted | 2017-09-28 | ValidFAA registration status code V: Valid registration. All codes |
| N3982E | Piper PA-36-375 |
Fixed-wing, single engine | Fresno Westside Mosquito Abatement District Firebaugh, California |
Restricted | 2017-07-11 | ValidFAA registration status code V: Valid registration. All codes |
| N400Y | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Washington |
Standard | 2016-05-12 | ValidFAA registration status code V: Valid registration. All codes |
| N8450P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner South Carolina |
Standard | 2016-03-19 | ValidFAA registration status code V: Valid registration. All codes |
| N1415B | Root Byron L SHERPA |
Fixed-wing, single engine | Caneel Enterprise LLC Nibley, Utah |
Experimental | 2015-10-19 | ValidFAA registration status code V: Valid registration. All codes |
| N5080H | Beech 65 |
Fixed-wing, multi-engine | Bemidji Aviation Services INC Bemidji, Minnesota |
Standard | 2015-10-07 | ValidFAA registration status code V: Valid registration. All codes |
| N400HP | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Michigan |
Standard | 2015-08-06 | ValidFAA registration status code V: Valid registration. All codes |
| N5078G | Beech 65 |
Fixed-wing, multi-engine | Fresh Air Aviation INC Charlevoix, Michigan |
Standard | 2015-06-23 | ValidFAA registration status code V: Valid registration. All codes |
| N8448P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Oregon |
Standard | 2015-06-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8480P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Colorado |
Standard | 2015-06-12 | ValidFAA registration status code V: Valid registration. All codes |
| N40013 | Helio Aircraft Ltd H800 |
Fixed-wing, single engine | Individual owner Oregon |
Standard | 2015-05-26 | ValidFAA registration status code V: Valid registration. All codes |
| N888EK | Beech A65 |
Fixed-wing, multi-engine | Excalibur Knight One LLC Miami, Florida |
Standard | 2015-03-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8440P | Piper PA-24-400 |
Fixed-wing, single engine | Co-owned owner Illinois |
Standard | 2014-11-10 | ValidFAA registration status code V: Valid registration. All codes |
| N3980E | Piper PA-36-375 |
Fixed-wing, single engine | Ose Airspray LLC Thief River Falls, Minnesota |
Restricted | 2014-08-19 | ValidFAA registration status code V: Valid registration. All codes |
| N8460P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Nevada |
Standard | 2014-05-23 | ValidFAA registration status code V: Valid registration. All codes |
| N400KK | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner California |
Standard | 2014-02-03 | ValidFAA registration status code V: Valid registration. All codes |
| N8468P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner California |
Standard | 2014-01-27 | ValidFAA registration status code V: Valid registration. All codes |
| N777MU | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Maryland |
Standard | 2014-01-21 | ValidFAA registration status code V: Valid registration. All codes |
| N8466P | Piper PA-24-400 |
Fixed-wing, single engine | Co-owned owner New Mexico |
Standard | 2013-07-25 | ValidFAA registration status code V: Valid registration. All codes |
| N132BA | Beech 65-B80 |
Fixed-wing, multi-engine | Bemidji Aviation Services INC Bemidji, Minnesota |
Standard | 2013-01-11 | ValidFAA registration status code V: Valid registration. All codes |
| N184BA | Beech 65 (LF-23F) |
Fixed-wing, multi-engine | Bemidji Aviation Services INC Bemidji, Minnesota |
Standard | 2013-01-11 | ValidFAA registration status code V: Valid registration. All codes |
| N5078E | Beech 65 |
Fixed-wing, multi-engine | Bemidji Aviation Services INC Bemidji, Minnesota |
Standard | 2013-01-11 | ValidFAA registration status code V: Valid registration. All codes |
| N400SW | Piper PA-24-400 |
Fixed-wing, single engine | Co-owned owner Arizona |
Standard | 2012-11-06 | ValidFAA registration status code V: Valid registration. All codes |
| N400GU | Piper PA-24-400 |
Fixed-wing, single engine | Triple S Aviation LLC Wilmington, Delaware |
Standard | 2012-06-20 | ValidFAA registration status code V: Valid registration. All codes |
| N208ML | Beech 65 |
Fixed-wing, multi-engine | Angelo Sorce MD Pllc Dandridge, Tennessee |
Standard | 2012-04-25 | ValidFAA registration status code V: Valid registration. All codes |
| N400FW | Piper PA-24-400 |
Fixed-wing, single engine | 400Fw LLC Largo, Florida |
Standard | 2012-04-05 | ValidFAA registration status code V: Valid registration. All codes |
| N8600P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Texas |
Standard | 2012-02-23 | ValidFAA registration status code V: Valid registration. All codes |
| N9957P | Piper PA-36-375 |
Fixed-wing, single engine | Pennsylvania College of Technology Williamsport, Pennsylvania |
Experimental | 2012-01-12 | ValidFAA registration status code V: Valid registration. All codes |
| N840S | Beech 65 (LF-23F) |
Fixed-wing, multi-engine | Transnational Aviation LLC Arlington, Texas |
Standard | 2011-08-08 | ValidFAA registration status code V: Valid registration. All codes |
| N7262V | Intermountain CALLAIR B-1 |
Fixed-wing, single engine | Airplane Services INC Jay, Florida |
Restricted | 2011-04-26 | ValidFAA registration status code V: Valid registration. All codes |
| N3957E | Piper PA-36-375 |
Fixed-wing, single engine | Aurora Cooperative Elevator CO Aurora, Nebraska |
Restricted | 2010-04-15 | ValidFAA registration status code V: Valid registration. All codes |
| N8455P | Piper PA-24-400 |
Fixed-wing, single engine | Tcb Properties LTD Wilmington, Delaware |
Standard | 2008-01-29 | ValidFAA registration status code V: Valid registration. All codes |
| N3993E | Piper PA-36-375 |
Fixed-wing, single engine | Storm Spraying Serv INC Webster City, Iowa |
Restricted | 2006-08-09 | ValidFAA registration status code V: Valid registration. All codes |
| N8607P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner California |
Standard | 2005-08-17 | ValidFAA registration status code V: Valid registration. All codes |
| N123MK | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner New Jersey |
Standard | 2005-06-06 | ValidFAA registration status code V: Valid registration. All codes |
| N63F | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Massachusetts |
Standard | 2004-02-04 | 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.
