Garmin GNS 530AW Quick Reference - Page 20

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Also for Garmin GNS 530AW: Pilot's Manual Addendum (24 pages), Pilot's Manual Addendum (50 pages), Pilot's Manual Addendum (24 pages), Supplementary Manual (12 pages), Quick Reference (23 pages), Instructions Manual (23 pages)

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an alternate navigation source, such as the GNS 530W' s

VOR/Localizer receiver, or select an alternate destination

airport. LP, LPV, LP +V, LNAV+V, and L/VNAV approaches

will downgrade to LNAV if GPS integrity cannot be met.

There is no need to switch to guidance by other navigation

equipment unless GPS LNAV is insufficient or integrity

degrades further.

• Within 31 nautical miles of the destination airport, CDI

scaling will transition from 2.0 NM (en route mode, or

"ENR") to 1.0 nautical mile (terminal mode, or "TERM").

Conversely, when leaving the departure airport, CDI scal-

ing will transition from 1.0 NM to 2.0 NM when 30 miles

out. GPS-based approaches will see a second transition

when within 2.0 NM of the final approach fix, scaling from

1.0 NM to angular full-scale deflection (approach mode, or

"LNAV, L/VNAV, LNAV+V, LP, LP +V, or LPV").

• A "Left to xxx° in x sec" or "Right to xxx° in x sec" prompt

will appear in the lower right corner of the display to

remind you to initiate a procedure turn (if you haven't

already begun the procedure turn). The procedure turn is

displayed on the Default NAV and Map pages, but guid-

ance through the turn itself is not provided except via roll

steering-equipped autopilots.

• Alerts for proper holding pattern entry (e.g., "Hold

direct") are displayed in the lower right corner of the

display. Waypoint sequencing is automatically suspended

(indicated by "SUSP" directly above the OBS key) at the

holding waypoint. Press the OBS key again to return to

automatic waypoint sequencing. For course reversals,

waypoint sequencing is suspended for one trip around the

holding pattern only (after which it will return to auto-

matic waypoint sequencing).

• The CDI will guide you through a DME arc. Just keep the

needle centered as you fly along the arc.

• As you cross the missed approach point (MAP), "SUSP"

will appear above the OBS key, indicating that automatic

sequencing of waypoint is suspended at the missed

approach point, and a FROM indication will appear on the

CDI (or HSI).

APPROACHES

Flying the Missed Approach

After crossing the missed approach point, press the

OBS key. The next waypoint in the approach is auto-

matically offered as the destination waypoint.

Follow the missed approach procedures, as pub-

lished on your approach plate, for proper climb and

heading instructions.

An alert message in the lower right hand corner of

the screen will recommend entry procedures for a

holding pattern (i.e., "Hold direct", "Hold parallel",

or "Hold teardrop"). As you fly the holding pattern,

a timer appears on the Default NAV Page. The timer

automatically resets on the outbound side of the

hold when you are abeam the hold waypoint. The

timer again resets as you turn inbound (within

approximately 30° of the inbound course). This

allows you to use standard timing (typically one

minute) to fly the inbound and outbound legs of

the hold.

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