Lycoming O-360-E1A6D
7 aircraft on the U.S. register carry a Lycoming O-360-E1A6D engine, rated at about 180 horsepower. The Piper PA-44 Seminole is the model most often fitted with it (7 aircraft). The aircraft carrying it were built between 1978 and 1979.
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-360-E1A6D. FAA spelling: O-360-E1A6D.
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 O-360-E1A6D the component layer
The design is held under 1 type certificate (E-286, held by Lycoming Engines). The FAA has issued 17 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 27 failure reports with the FAA since 1995, 21 of them in the last ten years.
FAA orders 17 airworthiness directives · newest first
Failure reports 27 since · what operators and shops told the FAA
Parts most often reported as the reports name them
Latest reports
Certificates and bulletins
Safety bulletins 12 · 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-44 Seminole 7 with this engine series
- Oregon 2 of these aircraft
- Florida 2 of these aircraft
- Maryland 1 of these aircraft
- Colorado 1 of these aircraft
- California 1 of these aircraft
- Hillsboro Aero Academy LLC 2 of these aircraft
- Wifa (Washington International Flight Academy) LLC 1 of these aircraft
- Vero Technical Support INC 1 of these aircraft
- Coast Flight Training And Management INC 1 of these aircraft
- FAA orders naming the Lycoming O-360-E1A6D 17 airworthiness directives
- Failure reports on the Lycoming O-360-E1A6D 27 reports since 1995
These connections as data: /graph/engine/lycoming-o-360-e1a6d.json · about the eFlight graph.
Aircraft newest certificates first · 7
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N39KY | Piper PA-44-180 |
Fixed-wing, multi-engine | Individual owner Colorado |
Standard | 2025-10-06 | ValidFAA registration status code V: Valid registration. All codes |
| N302VM | Piper PA-44-180 |
Fixed-wing, multi-engine | Wifa (Washington International Flight Academy) LLC Gaithersburg, Maryland |
Standard | 2023-12-01 | ValidFAA registration status code V: Valid registration. All codes |
| N551MD | Piper PA-44-180 |
Fixed-wing, multi-engine | Vero Technical Support INC Pensacola, Florida |
Standard | 2023-05-17 | ValidFAA registration status code V: Valid registration. All codes |
| N209PT | Piper PA-44-180 |
Fixed-wing, multi-engine | Silver Express DBA Miami, Florida |
Standard | 2022-06-15 | ValidFAA registration status code V: Valid registration. All codes |
| N357CF | Piper PA-44-180 |
Fixed-wing, multi-engine | Coast Flight Training and Management INC San Diego, California |
Standard | 2020-10-13 | ValidFAA registration status code V: Valid registration. All codes |
| N552MD | Piper PA-44-180 |
Fixed-wing, multi-engine | Hillsboro Aero Academy LLC Hillsboro, Oregon |
Standard | 2016-07-07 | ValidFAA registration status code V: Valid registration. All codes |
| N356HA | New Piper Aircraft Inc PA-44-180 |
Fixed-wing, multi-engine | Hillsboro Aero Academy LLC Hillsboro, Oregon |
Standard | 2015-11-30 | 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.