Lycoming EIS Distributor - Electronic Ignition System
Authorised European Distributor & Stockist for Lycoming Electronic Ignition Systems
Lycoming Electronic Ignition System (EIS)
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Airpart Supply Ireland is an authorised distributor and stockist for Lycoming EIS (Electronic Ignition System), serving the European aviation market with fast delivery from our Dublin facility. The Lycoming EIS represents a significant advancement in aircraft engine ignition technology, designed as a drop-in replacement for traditional magnetos on 4-cylinder and 6-cylinder Lycoming piston aircraft engines. This system was developed by SureFly Partners in collaboration with Lycoming's engineering teams to meet Lycoming's exacting specifications. As a proprietary Lycoming design, the EIS is engineered, tested, and certified at the engine type certificate level, offering superior performance and reliability for aircraft operators across Europe. The system meets modern-day aircraft design requirements including reduced maintenance, lower weight, and enhanced spark control compared to traditional magneto systems. European operators benefit from our local stock availability, expert technical support, and comprehensive knowledge of EASA compliance requirements for Cessna, Piper, Beechcraft, and other general aviation aircraft commonly operated in the EU market. |
Key Features & Benefits of Lycoming EIS
Proprietary Lycoming Design
- The Lycoming EIS is a Lycoming proprietary design, engineered, tested, and certified at the engine type certificate level
- Developed with over two years of research and development, including exhaustive endurance and durability testing
- The only electronic ignition system on the market with the proven performance necessary to bear the Lycoming name
Drop-In Installation Capability
- Drop-in capable replacement for magnetos - designed to use existing aviation ignition harnesses and spark plugs
- Compatible with standard Slick-style ignition harnesses from manufacturers like Champion Aerospace, Tempest, and Kelly Aerospace
- Uses conventional aircraft spark plugs gapped to OEM specifications
- The Lycoming EIS does not require an STC for single installation as it is incorporated into Lycoming engine specifications
No Fuel Restrictions
- Service Instruction SI1070 is valid for certified engines regardless of EIS installation
- No restrictions on fuel type other than what is approved by engine model in SI1070
- Full compatibility with aviation fuels and lubricants approved for your engine
Reduced Maintenance Requirements
- The EIS eliminates the 500-hour inspection cost required for traditional magnetos
- No maintenance intervals or inspections required - the system is designed to match the engine recommended TBO
- Solid-state design with no moving parts means superior reliability compared to mechanical magneto systems
- Reduced maintenance costs translate to more time in the air and lower operating expenses for European operators
Improved Engine Performance
- In single, fixed-timing installation: easier starting and smoother idle
- Better cold-start performance - particularly beneficial for European winter operations
- Enhanced spark control compared to traditional magnetos improves combustion efficiency
- More consistent performance across varying altitudes and temperatures
Warranty Coverage
Comprehensive Warranty Protection:
- EIS units carry a 24-month warranty (or TBO, whichever comes first) when purchased as spares
- Full warranty coverage on all Lycoming factory engines equipped with EIS
- For EIS installed as a warranty replacement: warranted for the balance of the original engine or parts warranty period
- On overhauled engines: EIS warranted for an additional 12 months beyond the overhauled engine 12-month warranty period
European customers benefit from full warranty support through Airpart Supply Ireland, ensuring local service and technical assistance throughout the warranty period.
Technical Support Documents
Essential Service Instructions:
Service Instruction SI1443R
Purpose: Approved Slick Magnetos & Electronic Ignition Systems
This document provides approved EIS part numbers per engine model. Consult this instruction to determine the correct EIS replacement for your specific Lycoming engine.
Download SI1443R (PDF)Service Instruction SI1569A
Purpose: Installation of Lycoming Electronic Ignition System
This comprehensive instruction covers technical details, installation procedures, operation guidelines, and maintenance requirements for the Lycoming EIS.
Download SI1569A (PDF)Available Lycoming EIS Models
Step 1: Use Service Instruction SI1443R to locate the approved replacement EIS magneto for your engine model.
Step 2: Select the required part number from the table below for pricing and availability.
| Lycoming Part Number | Description | LED Code |
|---|---|---|
| 66K4A3SN-01 | 4 Cyl, Plain Drive, 20 Degree, Fixed Timing (Lyc Eis) | L-L-L-L |
| 66K4A3SN-02 | 4 Cyl, Plain Drive, 25 Degree, Fixed Timing (Lyc Eis) | L-L-L-S |
| 66K4F3SN-01 | 4 Cyl, Impulse Drive, 20 Degree, Fixed Timing (Lyc Eis) | L-L-L-L |
| 66K4F3SN-02 | 4 Cyl, Impulse Drive, 25 Degree, Fixed Timing (Lyc Eis) | L-L-L-S |
| 66K6D3SN-01 | 6 Cyl, 20 Degree, Fixed Timing (Lyc Eis) | L-L-L-L |
| 66K6D3SN-02 | 6 Cyl, 25 Degree, Fixed Timing (Lyc Eis) | L-L-L-S |
| 66K6D3SN-03 | 6 Cyl, 23 Degree, Fixed Timing (Lyc Eis) | L-L-S-L |
| 66K6D3SN-04 | 6 Cyl, 20 Degree, Fixed Timing, Rev Rot (Lyc Eis) | S-L-L-L |
Note: LED Code represents the diagnostic blink pattern (S=Short Blink, L=Long Blink) used for system identification and troubleshooting.
Why Choose Airpart Supply Ireland for Lycoming EIS?
European Stock & Fast Delivery
As an authorised European distributor, we maintain stock of Lycoming EIS units at our Dublin facility, ensuring rapid delivery throughout the EU. Our strategic location allows us to serve customers across Ireland, the UK, France, Germany, Spain, Italy, and all European countries with efficient shipping times and competitive rates.
Comprehensive Product Range
Beyond Lycoming EIS, we stock a complete range of complementary Lycoming engine parts including cylinder kits, oil filters, starter motors, alternators, and all necessary engine accessories for your aircraft maintenance needs.
Expert Technical Support
Our experienced team provides technical guidance on EIS selection, installation requirements, and compatibility with your specific aircraft and engine configuration. We understand European aviation regulations and can assist with EASA compliance matters related to EIS installation on certified aircraft.
Complete Ignition System Solutions
We offer complete ignition system solutions including traditional Slick magnetos, Bendix magnetos, spark plugs from Champion and Tempest, ignition harnesses, and related electrical components.
Supporting European General Aviation
We proudly support the European general aviation community with parts for popular aircraft including Cessna (C172, C182, C206, C210), Piper (PA-28, PA-32, PA-34, PA-46), Beechcraft (Bonanza, Baron), Cirrus (SR20, SR22), Diamond, and many other types powered by Lycoming and Continental engines.
Related Lycoming Engine Products & Services
Lycoming Factory EnginesNew & Overhauled Lycoming EnginesFactory new and overhauled Lycoming engines with full warranty coverage. All engines can be equipped with Lycoming EIS for enhanced reliability and performance. View Engines |
Lycoming Cylinder KitsGenuine Lycoming Cylinder AssembliesComplete cylinder kits for all Lycoming engine models. Factory-built assemblies meeting strict quality standards for reliable engine performance. View Cylinders |
Lycoming Spare PartsComprehensive Parts InventoryExtensive stock of genuine Lycoming spare parts including gaskets, seals, bearings, gears, and accessories for all engine models. View Parts |
Champion Slick MagnetosTraditional Magneto SystemsNew and rebuilt Slick magnetos from Champion Aerospace. Proven reliability for Lycoming and Continental engines. View Magnetos |
Spark Plugs & HarnessesComplete Ignition ComponentsChampion and Tempest spark plugs, ignition harnesses, and accessories. Compatible with both EIS and magneto systems. View Products |
Engine AccessoriesStarters, Alternators & MoreSky-Tec starter motors, Plane Power alternators, oil filters, fuel pumps, and all engine accessories for Lycoming engines. View Accessories |
Additional Information & Resources
Official Lycoming Resources:
For comprehensive technical information about the Lycoming EIS, visit the official Lycoming Engines website:
Related Aircraft Systems & Components:
- Continental Motors engines and parts
- Precision Airmotive fuel systems and carburetors
- Marvel Schebler carburetors for Lycoming engines
- Hartzell Engine Technologies accessories
- Tempest oil filters and filtration systems
- Concorde batteries and Gill batteries for aircraft electrical systems
- Aircraft tyres, wheels, and brakes
- Aircraft cleaning products and ACF-50 anti-corrosion treatments
- Red Box Aviation tool kits for aircraft maintenance
- Safety equipment and fire extinguishers
European Warehouse Advantages:
All orders ship from our Dublin warehouse facility, ensuring fast delivery throughout Europe with proper VAT handling, customs documentation, and compliance with EU import regulations. We understand the unique requirements of European operators and provide tailored support for EASA-regulated aircraft maintenance.
Order Your Lycoming EIS Today
Upgrade your aircraft's ignition system with proven Lycoming technology
Contact Airpart Supply Ireland for pricing, technical support, and fast European delivery
