Design Approval Organization (DAO) for Airborne Software Electronic Hardware | TCCA Delegation

MANNARINO has been a Transport Canada Civil Aviation (TCCA) accredited Design Approval Organization (DAO #16-Q-02) since 2016. In addition to providing TCCA delegation service, MANNARINO leverages its expertise in the Safety Critical Systems Engineering to support customers in the certification processes. TCCA Design Approval Representatives (DAR) are on staff for the following disciplines:

This authorization allows MANNARINO to exercise its delegated functions in the approval process of Airborne Software and AEH products developed either by MANNARINO or any other organization.  As such, the MANNARINO DAO can provide service to any aerospace OEM in support of obtaining TCCA approval for airborne software and AEH products.  MANNARINO is the first service company to obtain DAO authorization for these products in Canada.

MANNARINO also works as informal delegates to the Canadian Department of National Defence (DND) for Airborne Software (RTCA/DO-178B/C) and Airborne Electronic Hardware (AEH) (RTCA/DO-254).


MANNARINO has significant experience in the aerospace certi­fication process, as per the following guidelines and aerospace recommended practices:

  • RTCA/DO-178C ~ Software Considerations in Airborne Systems and Equipment Certifi­cation
  • RTCA/DO-254 ~Design Assurance Guidance for Airborne Electronic Hardware
  • SAE ARP 4754A ~ Guidelines for Development of Civil Aircraft and Systems
  • SAE ARP 4761 ~ Guidelines and Methods for Conducting the Safety Assessment Process on Civil Airborne Systems and Equipment
  • RTCA/DO-278/A ~ Guidelines for Communication, Navigation, Surveillance and Air Traf­fic Management Systems Software Integrity Assurance

DAO Services

In addition to the design approval and certification authorities liaison service, the DAO Office offers the following services to support the customer’s efforts to reach compliance with certification authority requirements and industry standards:

  • Gap Analysis
  • Support in Process Development
  • Supplier oversight
  • Design Assurance and/or Approval
  • Augment and support the customer’s DAO
  • Training and Coaching

Certification Authorities

MANNARINO has led and participated in program audits with the following certification authorities and/or associate delegates:

  • Federal Aviation Administration (FAA)
  • Transport Canada Civil Aviation (TCCA)
  • European Aviation Safety Agency (EASA)
  • Directorate of Technical Airworthiness and Engineering Support (DTAES-5)
  • Brazil’s Agencia Nacional de Aviacao Civil (ANAC)