TR2R Transformer Relay Adapter | With Flight Director 7274-4-15 this book is the complete

this book is the complete resource to prepare applicants for the Commercial Pilot Airplane checkride

as well as addition formats for supporting  integration with any display system or data logger

Cover plate fit 3 1/8"" diameter instrument holes

M22520/1-03 turret head

This MD302 Standby Altitude Module (EDMO# MD302-2) has a black bezel

TR2R Transformer Relay Adapter | With Flight Director 7274-4-15 this book is the completeThe TR2 series transformer relay adapter is a pre assembled autopilot interface unit that follows the interconnect specifications and component requirements recommended by the manufacturers of certain PFD systems when interfaced with existing autopilots. Rather than designing their own assembly from several components, installers can install the TR2 which is already housed in a small aluminum enclosure with the same wiring interface outlined in PFD