This document is the second amended version of the  Single Programming Document of the SESAR Joint Undertaking (SESAR JU) for the 2021-2023 period. It provides multi-annual (2021 to 2023) programming and annual (2021) planning components and forms the multi-annual and annual work programmes of the SESAR JU. 

It supersedes the initial version as well as first amended version of the ‘Single Programming Document 2021-2023’.