AeroNav 900/880 Series Pilot’s Guide
89000039-010
Rev 1 May 2019
System Overview
1-55
WAAS VS NON-WAAS OPERATIONS
The AeroNav supports both WAAS and non-WAAS operations.
In each case, the AeroNav
is still considered a “/G” system for
flight plan filing purposes.
When configured to be connected to an approved WAAS antenna
at installation, the AeroNav serves as a fully-certified WAAS GPS
navigator. Published WAAS procedures will be available and
presented in the various drop-down list choices in the FMS and
WAAS glideslopes will be displayed, when appropriate.
When configured to be connected to a non-WAAS antenna or a
non-approved WAAS antenna at installation, the AeroNav will not
provide any WAAS functionality. For example, WAAS
approaches such as LPVs will not be presented as an available
choice within the FMS.
For dual AeroNav installations in which one AeroNav is WAAS
capable and the other AeroNav is non-WAAS capable (a perfectly
acceptable combination under the STC), there are some
limitations on the nature of data sharing between the AeroNavs.
In this case, FMS-related data is not shared between the
AeroNavs (e.g. flight plans, stored routes and user waypoints).
Summary of Contents for AeroNav 880
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