Lycoming IO-720
119 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 (71 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 71 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 · 119
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N8482P | Piper PA-24-400 |
Fixed-wing, single engine | Co-owned owner Florida |
Standard | 2000-11-14 | ValidFAA registration status code V: Valid registration. All codes |
| N64400 | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Iowa |
Standard | 2000-09-21 | ValidFAA registration status code V: Valid registration. All codes |
| N2782Y | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Indiana |
Standard | 1998-03-30 | ValidFAA registration status code V: Valid registration. All codes |
| N5080G | Beech 65 |
Fixed-wing, multi-engine | Individual owner Georgia |
Standard | 1997-02-13 | ValidFAA registration status code V: Valid registration. All codes |
| N5078U | Beech 65 |
Fixed-wing, multi-engine | Bemidji Aviation Services INC Bemidji, Minnesota |
Standard | 1996-07-02 | ValidFAA registration status code V: Valid registration. All codes |
| N166SP | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner California |
Standard | 1996-06-14 | ValidFAA registration status code V: Valid registration. All codes |
| N5078N | Beech 65 |
Fixed-wing, multi-engine | Bemidji Aviation Services INC Bemidji, Minnesota |
Standard | 1996-06-13 | ValidFAA registration status code V: Valid registration. All codes |
| N5079E | Beech 65 |
Fixed-wing, multi-engine | Bemidji Aviation Services INC Bemidji, Minnesota |
Standard | 1996-06-13 | ValidFAA registration status code V: Valid registration. All codes |
| N24410 | Piper PA-36-375 |
Fixed-wing, single engine | Storm Spraying Service INC Webster City, Iowa |
Restricted | 1995-06-23 | ValidFAA registration status code V: Valid registration. All codes |
| N400WL | Piper PA-24-400 |
Fixed-wing, single engine | Hammer Construction CORP Miami, Florida |
Standard | 1993-08-30 | ValidFAA registration status code V: Valid registration. All codes |
| N8465P | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Mississippi |
Standard | 1992-05-11 | ValidFAA registration status code V: Valid registration. All codes |
| N84JP | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Louisiana |
Standard | 1976-06-17 | ValidFAA registration status code V: Valid registration. All codes |
| N2315Y | Piper PA-36-375 |
Fixed-wing, single engine | Mid Continent Aircraft CORP Hayti, Missouri |
Restricted | ValidFAA registration status code V: Valid registration. All codes | |
| N2407V | Piper PA-36-375 |
Fixed-wing, single engine | Piper Aircraft INC Vero Beach, Florida |
Restricted | ValidFAA registration status code V: Valid registration. All codes | |
| N2409V | Piper PA-36-375 |
Fixed-wing, single engine | Piper Aircraft INC Vero Beach, Florida |
Restricted | ValidFAA registration status code V: Valid registration. All codes | |
| N2412X | Piper PA-36-375 |
Fixed-wing, single engine | Mid Continent Aircraft CORP Hayti, Missouri |
Restricted | ValidFAA registration status code V: Valid registration. All codes | |
| N400HL | Piper PA-24-400 |
Fixed-wing, single engine | Individual owner Texas |
Standard | Sale reportedFAA registration status code 7. All codes | |
| N4154E | Piper PA-36-375 |
Fixed-wing, single engine | Piper Aircraft INC Vero Beach, Florida |
Restricted | ValidFAA registration status code V: Valid registration. All codes | |
| N8535P | Piper PA-24-400 |
Fixed-wing, single engine | Second Life Flight INC Delray Beach, Florida |
Standard | 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 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.