Engineering certification company CMD Flight Solutions has obtained EASA validation of an AML STC integrating a Freeflight 1203C SBAS/GNSS ADS-B sensor with Rockwell Collins’ TDR-94/94D transponders. “Serving our European customer base was essential,” said Pete Ring, v-p sales and marketing for Waco, Texas-based Freeflight Systems. The integrated 15-channel 1203C SBAS/GNSS sensor is part of a rule-compliant ADS-B Out system when it is paired with a certified mode-S transponder. This pairing provides compliance solutions for more than 100 different aircraft models flying in Europe today, according to Ring.