Part #: 834510-03 Shadin LP AIS-450 (26 VAC) Converts ARINC 429 Labels for Heading, Pitch, and Roll to 3 Channel ARINC 407 Synchro. Allows upgrades from analog to digital inertials to drive legacy ARINC 407 interfaces to autopilot, etc. Replaces Skylight Synchro converter. +18V