Inspect your shipment thoroughly upon receipt. Keep original sales invoice.

MKS Servos USA offers a 10-day return period on stock merchandise. Within 24 hours of receipt of merchandise, e-mail MKS Servos USA and verify the item is in new, original condition. A Return Authorization Code Number from MKS Servos USA will be assigned to you. The RA code will be valid for up to 10 days. There is a 15% restocking fee on any returns.

It is very important that all items, including literature, parts and a copy of your invoice be included in your securely re-wrapped shipment to avoid any damage. Insure the shipment for full value against loss or damage. Items received by MKS Servos USA that are damaged, and not insured, will not be eligible for refund.

Upon receipt and verification that the returned merchandise is in new, original condition, MKS Servos USA will issue a credit memo will be issued. Refunds are made by written request only, please include your original payment information.

Allowances for returns after the 10-day period will be made at the discretion of MKS Servos USA.


Do not accept a package that is visibly damaged. Open the package in the carrier’s presence. If contents are damaged, refuse to accept the item from the Carrier. Notify MKS Servos USA immediately. Do not discard anything and keep all items intact. We will begin claim proceedings and give you instructions on what steps to take. If the damaged package/item is left at your door, do not open it. Take the damaged package to your local Carriers office and open it in their presence. Replacement merchandise will be shipped by MKS Servos USA upon receipt of claim proceeds.


Please notify MKS Servos USA at once. We will give you instructions on how to proceed. 


Many of our products have the ability to cause great harm and/or physical damage if used incorrectly. Incorrect use includes improper installation/construction/assembly of our products, improper flying or use of our products, and operating our products in violation of the established safety policies of the Amateur Modeler Aircraft organization (www.modelaircraft.org )
Dynamic Soaring is an inherently dangerous activity. The process of DS'ing accelerates your aircraft very rapidly and often violently. It requires total concentration, skill, practice, and optimal conditions (including slope sites and weather) to perform. DS'ing should always be practiced with the utmost care and consideration of safety, both your own and that of other people in the vicinity.
Always safety check your aircraft and radio gear for proper operation and freshly charged batteries prior to launching.
MKS Servos USA accepts no responsibility for the use of our products or if you screw it up during construction. Always obey AMA rules and safety guidelines.


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MKS Servos USA makes every effort to make sure the information on our site is valid and accurate.  However, occassionaly we do make an error.  If you seen an error, please contact us immediately so that it can be resolved.