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FROM YOUR BELL HELICOPTER TEXTRON REPRESENTATIVE.
PRODUCT DATA
JANUARY 2003
Each EFIS unit will interface to one Rate Gyro (RG) unit. Each EFIS unit allows for
attitude source inputs from two gyros. Only one attitude source (VG1 or VG2) is displayed
at once. Each EFIS unit allows for heading source inputs from two gyros. Only one
heading source (DG1 or DG2) is displayed at once. Each EFIS unit allows for bearing
source inputs from two ADF systems.
Each EFIS unit allows for ARINC 429 LNV source inputs from two LNV systems.
The AFCS interfaces with EFIS through an ARINC 429 communication bus. The EFIS
provides the AFCS with selected course (or desired track), selected heading, magnetic
variation, radio altitude, lateral deviation, DME distance, pitch attitude, roll attitude
and equipment ID.
The AFCS provides the EFIS with course ref, selected heading, altitude ref, VS ref,
Bank Angle limit, FD roll command and equipment ID. The AFCS annunciates on the
EFIS display both ARM phase and capture phase for those modes having both phases.
The AP/FD functions are displayed on the EADI. The FD engagement is annunciated
on the EADI display by the presence of the flight director pitch and roll command bars.
EHSI DISPLAY AND CONTROLS LEGEND
Summary of Contents for BELL 430
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