AOG HOTLINE: 206-735-0411     

We provide comprehensive helicopter maintenance and repair since 1975

Cascade Helicopter Services is a comprehensive helicopter maintenance and repair facility, established in 1975 at Boeing Field in Seattle Washington.

Cascade Helicopter Services brings together a talented team of technicians with over 100 years combined experience in helicopter maintenance and services. Our highly qualified factory trained technicians take pride in safety, reliability, and efficiency. We are committed to providing our customers with superior knowledge, service and support, making customer satisfaction our top priority.

Fully Authorized Service Center

Cascade Helicopter Services is an Authorized Repair Station and Authorized Service Center for Airbus Helicopters and MD Helicopters, specializing in the following models:


MD Explorer, MD 600, MD 520 and MD 500


AS350, EC120, EC130 and EC135. EC145


Cascade Helicopter Services maintains a comprehensive part and spares inventory. Our experienced sales team is prepared to help you with all of your parts needs. We stock a wide selection of Airbus and MD helicopter parts and will ship globally to fulfill your needs.

read more



For more information on Cascade Helicopter Services. please fill out the form below and click "Send" when finished. We will respond to your message/question accordingly.

Contact Number:
Location: 1725 E Street NE,
Auburn, WA 98002

Phone: 206) 767-5290 Fax: (206) 767-1726