Airmark Overhaul
Airmark Overhaul, Inc.
"When Quality Counts"
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William MilburnWilliam R. Milburn

Truly Missed Friend

Continental & Lycoming Engine Overhaul

 Continental SB97-6B Mandatory Replacement Parts   Prop Strike Continental Engine SB96-11B 

 Lycoming SB240W Mandatory Replacement Parts   Prop Strike Lycoming Engine SB533B 

 Prop Strike FAA SAIB NE-06-32R1 
Continental and Lycoming Engine Overhaul Value Added
An engine overhauled by Airmark Overhaul has always brought added value to an aircraft. Airmark Overhaul's precision workmanship, high levels of expertise and a quality assurance program, give you the peace of mind you deserve with every flight.
An engine by Airmark Overhaul offers you the benefits of reliability, safety, performance and endurance. Our Quality Assurance Department maintains complete traceability of each part that goes into producing an Airmark Overhaul engine. From disassembly to final testing, each step of your engine overhaul is inspected and documented to assure you of the highest quality product.
After disassembly all engines undergo a thorough cleaning process by chemical and/or mechanical means. This process will prepare your engine parts for numerous detailed inspection procedures. These detailed inspections are just some of the reasons that many parts not meeting Airmark Overhaul's critical inspection standards are replaced. All reciprocating and rotational parts are magnetic particle inspected, both circularly and longitudinally for surface and subsurface flaws. Ultrasonic testing is accomplished to the crankshafts, when applicable. Liquid penetrant testing is also utilized to detect flaws in nonferrous castings. All parts are inspected visually and dimensionally in accordance with the manufacturer's specifications. Aluminum parts have a corrosion treatment applied, preserving the part against any future deterioration. All painted parts are coated with custom high temperature enamel paint.
As an independent engine overhaul facility, Airmark Overhaul has an advantage over the original engine manufacturer. The OEM is limited to using their own parts but at Airmark Overhaul we can install what is determined to be the best and highest quality parts available for your engine. All of our engines are assembled to factory new fits and clearances. The manufacturer's 100% parts replacement criteria is Airmark Overhaul's minimum standard guideline.
Hydraulic lifters are flow matched to provide bleed-down rates that will enhance the performance of your engine. Connecting rods, pistons and counterweights are matched and balanced per the manufacturer's requirements. All engines overhauled by Airmark Overhaul incorporate a static and dynamic balancing of the internal rotational parts. This process considerably improves the life and operational characteristics of your engine. The improved parts balancing delivers a more efficient, powerful and smoother running engine with less wear on the parts than an engine that is not taken to the parameters of this process. This also reduces the vibrational effects that the pilot will experience in the cockpit.
Each engine is fully tested in our diagnostically equipped Test Cell and operated through its full power range to confirm that it meets or exceeds manufacturer's parameters set forth for that engine. We are one of the few shops that test cell run the turbocharged engines with the turbocharger installed thus verifying full power output. All pressures, temperatures and operational characteristics are verified so that when you receive your engine it is ready for installation with only minimal adjustments required when mounted into your airframe. All Mandatory Service Bulletins (MSB) and Airworthiness Directives (AD) are complied with at the time of overhaul.
We have airport access enabling you to fly in, have your engine removed, overhauled and reinstalled with a minimum of inconvenience. We guarantee you minimum downtime and also offer an exchange program to suit your needs. With a 20,000 square foot facility, we are here to serve and meet your needs in a timely and cost effective manner.
Engine warranty is 100% on parts and labor for a period of 1 year or 480 hours, whichever occurs first. A limited pro-rated warranty will continue until the end of the second year. The pro-rated warranty is calculated at a minimum of 40 hours per month.