We have multiple DER's on contract at Lakeside Aero. Our DER's are extremely experienced and highly qualified. Let us provide you with the necessary reviews and approvals for any Structural, Weight and Balance, Damage Tolerance, or Electrical needs that you may have. Our goal is to provide DER services for your STC program, however we are partnered with a certification specialist, and together we can provide full certification approvals whether you have an FAA, EASA, or CAA STC program.