Cascadia CMO

Flight Standards Realignment information

Des Moines Washington Office

2200 South 216th Street, Second Floor
Des Moines, Washington, 98198
Phone: Refer to Phone Directory

Hillsboro Oregon Office

(CMT Horizon Air Certificate Management)

3180 NW 229th Ave.
Hillsboro OR 97124
Phone: (503) 615-3200 or
             (800) 847-3806

Alaska Airlines and Horizon Air CMT Office Hours

7:30 am – 4:00pm,
Monday - Friday by appointment only

Who We Are

Service Area

The Alaska Airlines CMO oversees all operational aspects of the Alaska Airlines and Horizon Air 14 CFR Part 121 certificates, which includes aircraft maintenance, aircrew training, and flight operations in the United States, Canada, and Mexico.