DO-212 is a performance standard published by RTCA, Incorporated. It contains Minimum Operational Performance Standards (MOPS) for aircraft equipment required for the Automatic Dependent Surveillance (ADS) function. The supporting hardware can be a stand-alone ADS unit or alternatively, the ADS function may be installed within other on-board equipment. Outline of contents Purpose and Scope Performance Requirements and Verification Procedures Installed Equipment Performance Terms and Acronyms References These references are noted in DO-212 ISO 7498 Information Processing Systems—Open Systems Interconnection—Basic Reference Model ISO 8072 Information Processing Systems—Open Systems Interconnection—Transport Service definition ISO 8073 Information Processing Systems—Open Systems Interconnection—Connection oriented transport protocol specification ISO 8073 Addendum 4 Information Processing Systems—Open Systems Interconnection—Connection oriented transport protocol specification, Protocol enhancements ISO 8473 Information Processing Systems—Data Communications—Protocol for providing the connectionless-mode network service ISO 8348 Information Processing Systems—Data Communications—Network Services Definition ISO 8348 Addendum 1 Information Processing Systems—Data Communications—Network Services Definition, Connectionless-mode transmission DO-178B Software Considerations in Airborne Systems and Equipment Certification DO-205 Design Guidelines and Recommended Standards To Support Open Systems Interconnection for Aeronautical Mobile Communications. Part 1—Internetworking Appendix A: Suggested Timer Values See also Automatic Dependent Surveillance-Broadcast Air traffic control ACARS RTCA standards Avionics