American National Standards Reaching 10-year Expiration Written 22 October 2026

In This Section

American National Standards Reaching 10-year Expiration

FROM THE INSTITUTE
Notice is hereby posted that these American National Standards have reached 10-year expiration. The designations, titles, and expiration dates for these publications are listed below:

  • ANSI/AIAA S-119-2011 (R2016) Flight Dynamics Model Exchange Standard (reaffirmation of ANSI/AIAA S-119-2011). Expiration 09/01/2026
  • ANSI/AIAA S-131-2011 (R2016) Astrodynamics – Propagation Specifications, Technical Definitions and Recommended Practices (reaffirmation of ANSI/AIAA S-131-2011). Expiration 09/01/2026
  • ANSI/AIAA S-142-2016 Standard/Handbook for Multipactor Breakdown Prevention in Spacecraft Components. Expiration 10/21/2026

Learn More