HDaero Engineering, LLC.

Contact Us


Phone: 719-686-5610
Email: [email protected]

Mailing Address:
PO Box 676
Woodland Park, CO 80866

Physical Address:
400 West Midland Ave
Suite 202
Woodland Park, CO 80863


Welcome to HDaero Engineering!

HDaero engineering is an aerospace engineering firm specializing in structural analysis, fatigue and damage tolerance analysis and FAA Certification. Our principals. Rolf Hamerquist and Lonnie Davidson, are both FAA Designated Engineering Representatives with over 20 years experience.

HDAero Engineering - Promoting aviation safety through Integrity in engineering.


Stress, Fatigue amd Damage Tolerance Analysis


Experience with a variety of commercial and military airframes, includeing Part 23, 25, 27 and 29 certifications.

Our Clients

Our clients include FAA Part 145 Repair Stations, Part 91, 121 and 129 operators, aircraft interiors completion centers and OEM support.

HDAero provides timely, accurate and economic aircraft structural analysis and certification support.