6 example approach: radar vectors – BendixKing KLN 900 - Pilots Guide User Manual

Page 169

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6.1.6 Example Approach: Radar Vectors
For this example we will use the same approach that was
used in the previous section except this approach will be
conducted with the help of radar vectors from approach
control. The aircraft will be assumed to be arriving from
the West, although this does not change the way the
approach will be flown using the KLN 900.

1.

The approach has been selected and entered into the

flight plan and the aircraft is going direct to KCVN (Clovis,
New Mexico Municipal) as described in section 6.1.5.

2.

As soon as ATC mentions radar vectors you should

immediately start to think of the OBS mode. Once given
radar vectors, change the active waypoint to TXO and
select the OBS mode. Note that it is not important what
order these events take place. It is just as effective to
change to OBS mode and then change the active way-
point as it is to change the active waypoint and then
switch to OBS mode.

3.

Next, change the selected course on the CDI or HSI

to the final approach course. For this example, the
inbound course is 241°. It is now possible to watch your
progress on the Super NAV 5 page and anticipate when
you will be given new headings to fly (figure 6-20).

4.

Once established on the inbound course, you will

need to change back to the Leg mode to allow for proper
approach operation and automatic leg sequencing. For
best performance, the change back to Leg mode should
be made before the aircraft is 2 NM from the FAF.

NOTE: It is mandatory that the unit be in LEG mode with
the FAF as the active waypoint before crossing the FAF
to activate the approach active mode and change to ±0.3
NM scale factor. The CDI scale factor changes from ±1.0
NM to ±0.3 NM over the two miles to the FAF. Delaying
the switch from OBS to Leg mode compresses the scale
factor change. This will make the transition more abrupt.
If the switch from OBS to Leg is delayed too long it will
not be possible for the KLN 900 to change to the
approach active mode.

5.

The rest of this approach would be flown using the

same steps as presented in section 6.1.5.

Rev 2

4.5 oq
TXOî |
âä241 |
123 uv
4.3NM=|
тф241^|
†ь061^|5

TXO

Figure 6-20

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