CHAPTER 12 - SSR and ACAS

Question 1

1. When acknowledging mode/code setting instructions, pilots shall:

a. read back only the code to be set.
b. read back the mode and the code to be set.
c. use only the word ROGER.
d. use only the word WILCO.

Answer 1

b. read back the mode and the code to be set.

Question 2

2. The pilot of an aircraft losing two-way communications shall set the SSR transponder to Mode Alpha code:
   a. 7700
   b. 7600
   c. 2000
   d. 7500

Answer 2

b. 7600

Question 3

3. When the SSR transponder appears to be unserviceable and repair is not possible before departure, then:

a. the aircraft would be permitted to depart to the nearest aerodrome whererepair can be carried out.
b. the pilot must indicate the failure on the flight plan after which ATC will endeavour to provide for the flight to be continued.
c. the flight can only continue in the most direct manner.
d. the pilot will not be permitted to commence the flight.

Answer 3

b. the pilot must indicate the failure on the flight plan after which ATC will endeavour to provide for the flight to be continued.

Question 4

4. What Mode A code shall be used to provide recognition of an aircraft emergency?

a. Code 7500
b. Code 7600
c. Code 7000
d. Code 7700

Answer 4

d. Code 7700

Question 5

5. Which of the following correctly lists special purpose codes that are used in conjunction with SSR?

a. Distress 7700; Unlawful Interference 7600; Communications failure 7500
b. Distress 7500; Unlawful Interference 7700; Communications failure 7600
c. Distress 7600; Unlawful Interference 7500; Communications failure 7700
d. Distress 7700; Unlawful Interference 7500; Communications failure 7600

Answer 5

d. Distress 7700; Unlawful Interference 7500; Communications failure 7600

Question 6

6. When an aircraft carries a serviceable transponder, the pilot is to operate the transponder:

a. only when the aircraft is flying within the airspace where SSR is used for ATC purposes.
b. only when the aircraft is flying in CAS.
c. only when direct by ATC.
d. at all times during flight regardless of whether or not the aircraft is within or outside airspace where SSR is used for ATC purposes.

Answer 6

d. at all times during flight regardless of whether or not the aircraft is within or outside airspace where SSR is used for ATC purposes.

Question 7

7. What is the transponder code for radio failure?

a. Mode A code 7500
b. Mode B code 7600
c. Mode A code 7700
d. Mode A code 7600

Answer 7

d. Mode A code 7600

Question 8

8. Which of the following is not a valid SSR mode A squawk?

a. A5555
b. A5678
c. A2345
d. A7777

Answer 8

b. A5678