GPS 500 Pilot’s Guide and Reference
SECTION 5
PROCEDURES
5-3
Another
Procedures Page option allows the pilot to
activate the final course segment of the approach. This
option assumes the pilot will receive vectors to the final
approach fix (FAF) and provides guidance to intercept the
final course, before reaching the FAF.
Activating the approach, with vectors to
final:
1) Press the
PROC
Key to display the Procedures
Page.
2) Turn the large
right
knob to highlight ‘Activate
Vector-To-Final?’ (Figure 5-6) and press the
ENT
Key.
Figure 5-6 Procedures Page
3) A confirmation window will appear with ‘Yes?’
highlighted, press the
ENT
Key.
In many cases, it may be easiest to ‘Load’ the full
approach while still some distance away, enroute to the
destination airport. Later, if vectored to final, use the
steps above to select ‘Activate Vector-To-Final’—which
makes the inbound course to the FAF waypoint active.
Otherwise, activate the full approach using the ‘Activate
Approach?’ option.
5.2 NON-PRECISION APPROACH
OPERATIONS
The GPS 500 provides non-precision approach guidance
using its built-in GPS receiver. The GPS receiver can also
be used as a supplemental aid for precision approaches
(and for non-precision localizer-based approaches), but
localizer and glideslope receivers
must
be used for primary
approach course guidance.
Approaches designed specifically for GPS are often
very simple and don’t require overflying a VOR or NDB.
Many non-precision approaches have ‘GPS overlays’ to
let the pilot fly an existing procedure (VOR, VOR/DME,
NDB, RNAV, etc.) more accurately using GPS.
Many overlay approaches are complex (in comparison
to GPS-only approaches). The GPS 500 displays and
provides guidance through each leg of the approach,
automatically sequencing through each of these legs, up
to the
missed approach point (MAP). Approaches may
be flown ‘as published’ with the full transition using any
published feeder route or initial approach fix (IAF), or
may be flown with a vectors-to-final transition.
NOTE: The following approach examples are
intended for instructional use only and are not
to be used for navigation.
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Summary of Contents for GPS 500
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