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What is the localizer frequency range? How far is it accurate to?
What is the width of the localizer? What is the full-scale deflection of the CDI?
Where is the outer marker located?
Where is the middle marker located?
How would you calculate the initial descent rate on final?
- 3 - GS X 10/2
- 2.5 - GS X 10/2 - 100
When conducting an ILS approach, when would you be forced to do a missed approach off of localizer minimums?
You cannot descend below localizer MDA if the aircraft is more than 1 dot below glideslope, or two dots above the glide slope
(T/F) When glideslope intercept occurs prior to the FAF, you must remember to start timing for localizer back-up approach as you pass the FAF
(T/F) DME HOLD will not display on the EHSI if GPS is the primary nav sensor.
What is instrument final approach speed?
At glideslope intercept, do what with pitch and power?
What can you use on the GPS to determine drift-killed heading?
What is a VDP?
- Visual descent point
- Identifies a point along the final approach course that will allow a normal descent for the MDA to runway
How to calculate VDP
VDP=HAT/(approach angle X 100)
At the FAF, what descent rate should you set for a non-precision approach?
What is the non-precision approach profile?
- 1 NL
- 800-1000 fpm descent
What are the 6 Ts?
- Time for the approach/backup approach
- Turn the aircraft to intercept final approach
- Throttle set to establish descent
- Twist in final approach course
- Track final approach course inbound
- Talk - gear down, report FAF if instructed to
Where are available GPS approaches found on the GPS?
Airport page 8
(T/F) the approach must be loaded prior to the 2NM are outside of the FAF, otherwise it will not go into approach mode
What happens when the aircraft becomes 30NM of an airport with a loaded approach?
- The GPS automatically switches to the approach arm
- APR ARM
In approach arm mode, how does the CDI scale change?
Transition from +/-5 NM enroute scale to +/-1 NM approach scale over 30 second transition period
When would you use the OBS button?
- Radar vectors
- Procedure turn
- If not used, GPS will automatically select next waypoint
When being vectored to final, how do you set the GPS?
Set the FAF as the active waypoint and hit the OBS button, select the CDI to the inbound course
When is the latest time you can deselect the OBS button so the GPS can transition to the approach active mode?
No later than 2NM for the FAF
When do you know the GPS is in active mode?
- Information on the EHSI changes from light blue to green
- APR ACT replaces APR ARM
When the GPS transitions to the approach active mode, how does the CDI scale change?
+/-1 NM approach scale to +/-0.3 NM no later than the FAF
How is the FAF identified on the GPS?
Suffixed with a "f"
In the approach active mode, as you approach the FAF, what does the identifier do on the GPS?
How is the MAP identified on the GPS?
Suffixed with a "m"
Profile for a GPS approach?
- 110 KIAS
- 800-1000 fpm
To use the DME HOLD function, what frequency do you put in first?
- The frequency in which you need DME, hit DME HOLD
- Then select the ILS, LOC or VOR frequency
On a localizer backcourse approach, you must set ____ in the EHSI.
The published front course in the course selector window
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