Cascade Helicopter Services.

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.