曝光台 注意防骗
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database, you are not authorized to perform this operation.
[c] Maintain position on the arc by
reference to the GPS distance in lieu of a DME
readout.
(3) To navigate to or from an NDB/compass
locator:
NOTE−
If the chart depicts the compass locator collocated with a
fix of the same name, use of that fix as the active WP in
place of the compass locator facility is authorized.
[a] Verify aircraft GPS system integrity
monitoring is functioning properly and indicates
satisfactory integrity.
[b] Select terminal CDI sensitivity in
accordance with the AFM, AFM supplement, or
pilot’s guide if in the terminal area.
[c] Select the NDB/compass locator
facility from the airborne database as the active WP.
[d] Select and navigate on the appropriate
course to or from the active WP.
(4) To determine the aircraft position
over an NDB/compass locator:
[a] Verify aircraft GPS system integrity
monitoring is functioning properly and indicates
satisfactory integrity.
[b] Select the NDB/compass locator
facility from the airborne database as the active WP.
2/19/04 AIM
Air Navigation Aids 1−1−33
NOTE−
When using an NDB/compass locator, that facility must be
charted and be in the airborne database. If this facility is
not in your airborne database, you are not authorized to
use a facility WP for this operation.
[c] You are over the NDB/compass
locator when the GPS system indicates you are at the
active WP.
(5) To determine the aircraft position
over a fix made up of an NDB/compass locator
bearing crossing a VOR/LOC course:
[a] Verify aircraft GPS system integrity
monitoring is functioning properly and indicates
satisfactory integrity.
[b] A fix made up by a crossing
NDB/compass locator bearing will be identified by a
five letter fix name. You may select either the named
fix or the NDB/compass locator facility providing the
crossing bearing to establish the fix as the active GPS
WP.
NOTE−
When using an NDB/compass locator, that facility must be
charted and be in the airborne database. If this facility is
not in your airborne database, you are not authorized to
use a facility WP for this operation.
[c] If you select the named fix as your
active GPS WP, you are over the fix when the GPS
system indicates you are at the WP as you fly the
prescribed track from the non−GPS navigation
source.
[d] If you select the NDB/compass
locator facility as the active GPS WP, you are over the
fix when the GPS bearing to the active WP is the same
as the charted NDB/compass locator bearing for the
fix as you fly the prescribed track from the non−GPS
navigation source.
(6) To hold over an NDB/compass
locator:
[a] Verify aircraft GPS system integrity
monitoring is functioning properly and indicates
satisfactory integrity.
[b] Select terminal CDI sensitivity in
accordance with the AFM, AFM supplement, or
pilot’s guide if in the terminal area.
[c] Select the NDB/compass locator
facility from the airborne database as the active WP.
NOTE−
When using a facility as the active WP, the only acceptable
facility is the NDB/compass locator facility which is
charted. If this facility is not in your airborne database, you
are not authorized to use a facility WP for this operation.
[d] Select nonsequencing (e.g. “HOLD”
or “OBS”) mode and the appropriate course in
accordance with the AFM, AFM supplement, or
pilot’s guide.
[e] Hold using the GPS system in
accordance with the AFM, AFM supplement, or
pilot’s guide.
(d) Planning. Good advance planning and
intimate knowledge of your navigational systems are
vital to safe and successful use of GPS in lieu of ADF
and/or DME.
(1) You should plan ahead before using
GPS systems as a substitute for ADF and/or DME.
You will have several alternatives in selecting
waypoints and system configuration. After you are
cleared for the approach is not the time to begin
programming your GPS. In the flight planning
process you should determine whether you will use
the equipment in the automatic sequencing mode or
in the nonsequencing mode and select the waypoints
you will use.
(2) When you are using your aircraft GPS
system to supplement other navigation systems, you
may need to bring your GPS control panel into your
navigation scan to see the GPS information. Some
GPS aircraft installations will present localizer
information on the CDI whenever a localizer
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AIM航空信息手册2004上(42)
