SSR and ACAS: DGCA Air Regulations questions

Question 1

The pilot of an aircraft losing two-way communications shall set the SSR transponder to Mode Alpha code:

Accepted Answer

7600

Answer

7700

Answer

2000

Answer

7500

Question 2

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

Accepted Answer

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

Answer

The aircraft would be permitted to depart to the nearest aerodrome where repair can be carried out

Answer

The flight can only continue in the most direct manner

Answer

The pilot will not be permitted to commence the flight

Question 3

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

Accepted Answer

Code 7700

Answer

Code 7500

Answer

Code 7600

Answer

Code 7000

Question 4

Which of the following correctly lists special purpose codes used in conjunction with SSR?

Accepted Answer

Distress 7700; Unlawful Interference 7500; Communications failure 7600

Answer

Distress 7700; Unlawful Interference 7600; Communications failure 7500

Answer

Distress 7500; Unlawful Interference 7700; Communications failure 7600

Answer

Distress 7600; Unlawful Interference 7500; Communications failure 7700

Question 5

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

Accepted Answer

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

Only when the aircraft is flying within airspace where SSR is used for ATC purposes

Answer

Only when the aircraft is flying in CAS

Answer

Only when directed by ATC

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