On 22 October 2021, the Federal Office of Civil Aviation (FOCA) organised a “UAS Operator
Experience Journey” in the framework of the Swiss U-space Implementation (SUSI)
partnership. Four U-space service providers (USSPs), all members of SUSI, and eight UAS
operators participated to the event. The initiative aimed to conduct a technical and
operational test of the UAS flight authorisation service described in the U-space Regulation
(EU) 2021/664 using the ASTM F3548-21 Standard