UH-72 Avionics Flashcards
When using the keypad method to change a frequency, press the _____ [a] key, enter the new frequency, then press Push Enter.
NUM
To monitor a specific radio or NAVAID (Navigation Aid), the respective knob on the ACU must be in the [a] or [b] postion
Out
Up
To turn on the ARC-231 after battery power is applied, rotate the selector knob to the [a] position.
PT
Select the key that allows you to select Mode A and C.
ALT
If you are squaking 1200 and want to return to your previous squake code, what single button can you press to return? [a]
VFR
To change the standby frequency to active, press the [a] / [b] button.
C
Double Arrow
VFR SQUAWK Code
1200
Lost Communications SQUAWK Code
7600
Hijacked SQUAWK Code
7500
Emergency SQUAWK Code
7700
When operating the Wulfsberg 5000 using the cursor method to change a frequency, use the [a] knob on the right to move the cursor, and the [b] knob on the right to change the value.
Larger
Smaller
When entering a code, if you accidentally press a wrong number, You can press the [a] key remove it
CLR
The [a] switch on the Audio Control Unit (ACU) provides the pilot not on the controls the capability to use the radio/Intercom System (ICS) to transmit over a selected frequency or channel.
PTT (Push to Talk)
When entering a code in the transponder, it becomes active as soon as the [a] [b] is entered.
Fourth
Digit
If you are squaking 1200 and want to return to your previous squake code, what single button can you press to return? [a]
VFR
The [A] / [B] switch is used to scroll the cursor through the active screen.
P/N
The Audio Control Unit (ACU) below is at the pilot station (right side) and has failed the Built in Test (BIT). Placing this ACU into the SLAVED position will slave the pilot’s headset to the [A] [B].
Copilot
ACU
While receiving your clearance from ATC (Air Traffic Control), a passenger starts talking over the intercom, preventing you from hearing the full clearance. The [a] / [b] button on the ACU enables you to block the passenger intercom transmissions to allow you to receive uninterrupted communications from ATC.
ISOL
Call
The switch below “X/E” is used to X-Escape and “E” it to [a] data
Enter
The code for VFR flight is 1200. To enter this code in the transponder, the pilot can press the number keys 1-2-0-0 in order, or press the [a] Key.
VFR
The Garmin GNS 430W provides both [a] and [b] as its two main capabilities.
Communication
Navigation
To change the frequency on the Garmin 430, rotate the [a] knob on the left to change the first three digits, and the [b] knob on the left to change the last three digits.
Large
Small
When using the keypad method to change a frequency, press the #/NUM key, enter the new frequency, then press the [a] / [b] button.
Push
Enter
When operating the Wulfsberg 5000 using the cursor method to change a frequency, use the large [a] knob on the right to move the cursor, and the small [b] knob on the right to change the value
Outer
Inner
The Wulfsberg P-2000 radio is installed in the UH-72 but not used for the IERW training mission. It is used to communicate with [a] [b].
First
Responders
