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EXAMPLE 4— RADAR VECTORS TO FINAL APPROACH COURSE
Example 4 uses the same VOR/DME RWY 21 approach into Topeka/Forbes Field
Airport (KFOE) used in Example 3 and illustrates an approach using radar vectors to
a point 3 miles out from the final approach fix. To fly a radar vector approach, you
must still select a desired approach and IAF from the database and set the GPS SEQ
switch to HOLD while you fly the vectors to the active approach waypoint. To accom-
modate radar vectors, the GPS 155XL allows manual selection of any approach way-
point as the destination waypoint.
1. Select the desired approach and initial approach fix. Thirty nautical miles from the airport,
confirm that the GPS APR switch indicates an ‘ARM’ status.
2. When you are advised by the controller that you will be receiving radar vectors to the final
approach course:
• Activate the final approach fix waypoint from the active route page:
a. Press the
R
key and rotate
O
until the active route page appears.
b. Rotate
K
until ‘ff21’ is displayed.
c. Press
C
to activate the cursor.
d. Rotate
O
until ‘ff21’ is highlighted.
e. Press
D
, followed by
E
.
• Set the GPS SEQ switch to the HOLD position.
3. Set the 200º inbound course on the HSI. As the CDI needle begins to center to the final
approach course, set the GPS SEQ switch to the AUTO position.
4. Confirm that the GPS APR switch indicates an ‘ACTV’ status 2 nm from the FAF. Complete
the approach by landing or perform the missed approach procedure.
91
SECTION
5
APPROACH NAV
Radar Vector
Example
DO NOT USE FOR NAVIGATION
MISSED APPROACH
CLIMB TO 3000 VIA HEADING
240° AND TOP R-213 TO
ERASE 25 DME AND HOLD.
25
TOP
7
TOP
7
7
TOP
TOP
VORTAC
ONE MINUTE
HOLDING PATTERN
048°
228°
205°
205°
1 MIN
200°
205°
IAF
TOPEKA
R-258
(IAF)
2600
(7)
(IAF)
R-094
3000
205° (7)
Arc
Arc
3000
3000
NoPT
NoPT
ERASE
VOR/DME RWY 21
TOPEKA/
FORBES FIELD(FOE)
5 NM 7 NM
MISSED APPROACH
CLIMB TO 3000 VIA HEADING
240° AND TOP R-213 TO
ERASE 25 DME AND HOLD.
3000
2600
200°
12
7
TOP TOP
VORTAC
ONE MINUTE
HOLDING PATTERN
025°
205°
155xlb manual 1/12/99 4:06 PM Page 91