Garmin Reactor 40 Steer-By-Wire Standard Corepack w/GHC 50 Autopilot Instrument [010-02794-03]Reactor 40 Steer By Wire Standard Corepack with GHC 50 Autopilot Instrument Every Captain Needs a Co Pilot. Designed for powerboats, this Reactor 40 hydraulic autopilot gives you the extra hand you need, so you can explore paradise worry free. Features: This Reactor 40 corepack is the perfect companion for your hydraulically steered system. Yes, it features a solid state 9 axis AHRS. And yes, that means you can mount it nearly anywhere. Even when