Kelly Aero is a leading original equipment manufacturing supplier to the aviation industry and the world’s largest private OEM for aircraft aftermarket magnetos, replacement parts, and ignition harness.
We create, design, and engineer not only the aircraft engine parts with our in-house resources, but also the tooling and manufacturing processes. Every overhauled Bendix, Slick magneto, new ignition harnesses, or FAA/PMA approved replacement parts are shipped to meet the application demands of your airplane.
PRODUCTS
FAA/PMA Replacement Parts
Timing is everything. Minimize your down time with Kelly Aero FAA/PMA approved replacement parts when repairing your aircraft engine’s ignition system. We offer aircraft ignition components, magneto parts, and repair kits for Slick, Bendix, and Continental Motors.
500 Hour Inspection
Detailed 35 Point checklist to ensure a complete inspection of your CMI/Bendix Magnetos.

Slick & CMI/Bendix Magneto
Surpassing your highest expectations for aircraft mag overhauls.
Hassle Free Guarantee
Register your part today so that you can benefit from our limited warranty policy. View our aircraft part registration.

Aircraft Ignition Harness
FAA APPROVED QUALITY SYSTEM
QUICK TURN-AROUND AND EXCHANGE AVAILABLE
100% PRODUCTION TESTED TO A HIGHER ACCEPTANCE CRITERIA THAN INDUSTRY STANDARD
IN-HOUSE MANUFACTURING AND CONTROL OF OUR OWN FAA/PMA REPLACEMENT PARTS
OEM Supplier
Kelly Aero manufactures FAA/PMA approved aircraft magnetos, ignition leads, harnesses, & replacement parts for general aviation & military customers.
Awesome Support
Our customer service team and sales support are happy to assist you with any questions you have.
334-286-8551
Your General Aviation Ignition Source.
Delivering a New Level of Excellence.
Kelly Aero has been a partner and member of the General Aviation community for over 35 years retaining good relationships with all major OEMs, distributors, the maintenance organizations and most importantly, the pilots. As long time pilots and aircraft owners, the Kelly family recognizes the need for quality in all parts they bring to market; as it is not just a way of doing business, but it is a responsibility.
Our strength is in understanding each aircraft and the demands on the systems to which we support. We leverage our years of general aviation experience and strong industry partnerships to ensure that all Kelly Aero products are designed, built, tested, and distributed to meet the highest customer standards. Moving forward, we strive to introduce more leading-edge products at best-value pricing for you, the aircraft owner.
MAGNETO HARNESS NUT SIZE – 5/8 or 3/4? What’s the difference?
By Harry Fenton, Director of Business Development and Product Support When a customer orders a Kelly Aero ignition harness one of the choices is to order a harness with 5/8” or 3/4” nuts. Why are these seemingly unrelated numbers used to describe an ignition...
Magneto Noise Filter?
By Harry Fenton, Business Development and Product Support Lots of older Bendix magnetos are returned to Kelly Aero either as cores or for a custom overhaul with large external capacitors attached to the outside of the magneto. Much to the surprise of the customer,...
WHY ARE MAGNETOS IN AIRCRAFT?
By Harry Fenton, Director of Business Development and Product Support, Kelly Aero Today’s world is dominated by modern, high-tech smart electronics that can be found in every deviceimaginable from toothbrushes to spacecraft operating billions of miles away from Earth....

View our video to see what Auburn University Aviation thinks about Kelly Aerospace Thermal Systems’s (KATS) all electric air conditioning system, ThermaCool. Auburn’s flight students stay cool in Alabama with pre-cooling their Cessna airplanes.

THERMACOOL AC SYSTEM by KATS
GROUND COOLING at the touch of a button
(plugged-in)
20º TEMP DROP in five minutes
NO TAKE-OFF or IN-FLIGHT RESTRICTIONS
OEM Installation
FAA/STC Certified
