Method and apparatus for an improved autopilot system providing

Details Method and apparatus for an improved autopilot system providing Method and apparatus for an improved autopilot system providing

1994-08-05

1996-06-04

Zanelli, Michael

Boots, shoes, and leggings

364428, 364433, 364434, 364430, G05D 104, G05D 110

Patent

active

055239498

ABSTRACT:
An improvement to an autopilot flight director system allows the flight crew to make a late runway change without disengaging the autopilot. The improved system allows a transition to a new runway assignment if radio altitude is greater than 1500 feet. Control logic determines whether or not localizer and/or glideslope have been captured and enters predetermined modes as a function thereof to effect a transition to the new approach while enabling instrument landing system retuning while maintaining autopilot engagement. Flight crew workload during approach is significantly reduced as a result of implementation of the improved system.

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