Patent ID: 6308116
Filing Date: 2001-10-23
Classification: G01C,G05D

Abstract:
An avionics system comprising:a desired heading selector for providing desired heading information;an LNAV/VNAV mode selector for providing mode select instructions;a global navigation system for providing global digital navigation data;an electronic indicator, coupled to said global navigation system via a digital data bus, and to the LNAV/VNAV mode selector to receive mode select instructions and to the desired heading selector to receive desired heading information; said electronic indicator for extracting navigation guidance signals from said global digital navigation data and further for selectively outputting heading error/datum signals and navigation steering signals in response to said mode select instructions;simplified interconnect lines coupled to said electronic indicator for routing said heading error/datum signals and navigation steering signals; andan autopilot having standard autopilot roll/pitch axes connected to the simplified interconnect lines, for receiving said heading error/datum signals and navigation steering signals and generating aircraft control signals in response thereto.