On the fourth day of AirVenture, Rian Johnson, Van’s Aircraft Chief Engineer and Chairman of the ASTM F37 Committee, sat down with Marc Cook of KitPlanes. They discussed the latest updates on the Modernization of Special Airworthiness Certification (MOSAIC) final rule. You can watch their conversation starting at the 2:35 mark in this video.
Key highlight from the discussion: The final rule on MOSAIC is now expected sometime in late 2025.
