Lycoming TIO-540-A2C
6 aircraft on the U.S. register carry a Lycoming TIO-540-A2C engine, rated at about 310 horsepower. The Piper PA-31 Navajo and Chieftain is the model most often fitted with it (6 aircraft). The aircraft carrying it were built between 1974 and 1978.
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 TIO-540-A2C. FAA spelling: TIO-540-A2C.
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 TIO-540-A2C the component layer
The design is held under 1 type certificate (E14EA, held by Lycoming Engines). The FAA has issued 37 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 249 failure reports with the FAA since 1995, 4 of them in the last ten years.
FAA orders 37 airworthiness directives · newest first
Failure reports 249 since · what operators and shops told the FAA
Parts most often reported as the reports name them
Latest reports
Certificates and bulletins
Safety bulletins 5 · 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-31 Navajo and Chieftain 6 with this engine series
- Valiair Limited CO Trustee 1 of these aircraft
- International Air Services INC Trustee 1 of these aircraft
- FAA orders naming the Lycoming TIO-540-A2C 37 airworthiness directives
- Failure reports on the Lycoming TIO-540-A2C 249 reports since 1995
These connections as data: /graph/engine/lycoming-tio-540-a2c.json · about the eFlight graph.
Aircraft newest certificates first · 6
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N27712 | Piper PA-31 |
Fixed-wing, multi-engine | Juliet Lima Marketing INC West Palm Beach, Florida |
Standard | 2025-04-04 | Reports overdueFAA registration status code N: Non-citizen corporation that has not returned its flight-hour reports. All codes |
| N478AP | Piper PA-31-310 |
Fixed-wing, multi-engine | Valiair Limited CO Trustee Casper, Wyoming |
Experimental | 2023-03-16 | ValidFAA registration status code V: Valid registration. All codes |
| N317SF | Piper PA-31 |
Fixed-wing, multi-engine | Co-owned owner Delaware |
Standard | 2021-05-06 | ValidFAA registration status code V: Valid registration. All codes |
| N325SG | Piper PA-31 |
Fixed-wing, multi-engine | Traveling Lill LLC Key Largo, Florida |
Standard | 2021-03-24 | ValidFAA registration status code V: Valid registration. All codes |
| N212RA | Piper PA-31 |
Fixed-wing, multi-engine | Individual owner Florida |
Standard | 2019-08-02 | ValidFAA registration status code V: Valid registration. All codes |
| N737WK | Piper PA-31 |
Fixed-wing, multi-engine | International Air Services INC Trustee Carson City, Nevada |
Standard | 2019-02-25 | 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.