DO-219 is a communications standard published by

RTCA, Incorporated RTCA, Inc. (formerly known as Radio Technical Commission for Aeronautics) is a United States non-profit organization that develops technical guidance for use by government regulatory authorities and by industry. It was founded in 1935 and was re-in ...

. It contains Minimum Operational Performance Standards (MOPS) for aircraft equipment required for

Air Traffic Control Air traffic control (ATC) is a service provided by ground-based air traffic controllers who direct aircraft on the ground and through a given section of controlled airspace, and can provide advisory services to aircraft in non-controlled air ...

(ATC) Two-Way Data Link Communications (TWDL) services. TWDL Services are one element of Air Traffic Services Communication (ATSC). ATSC addressing requirements are supported by the Context Management (CM) Service. The Aeronautical Telecommunication Network (ATN) provides the media and protocols to conduct data link Air Traffic Services Communication.

Outline of Contents

#Purpose and Scope #Performance requirements and Test Procedures #Installed Equipment Performance #Operational Characteristics *Appendix A: ATC Two-Way Data Link Communications Message Set *Appendix B: ATC Two-Way Data Link Communications Data Structures Glossary *Appendix C: An Overview of the Packed encoding Rules ISO PDIS 8825-2; PER Unaligned *Appendix D: A Guide for Encoding and Decoding the RTCA SC-169 Message Set for ATC 2-Way Data Link, According to the Packed Encoding Rules *Appendix E: ATC Two-Way Data Link Communications Sample Messages *Appendix F: State Table

Outline of Contents

See also