AREA CONTROL SERVICE PHRASEOLOGY: DGCA Radio Telephony (R/T) questions

Question 1

When an aircraft is cleared to join controlled airspace, the level component must be stated as AT level, or:

Accepted Answer

In the event that the requested flight level is already occupied the controller will offer an alternative.

Answer

In the event that the requested flight level is already occupied maintain level and broadcast level on 121.5.

Answer

In the event that the requested flight level is already occupied maintain VMC and look out for traffic.

Question 2

To amend only a portion of the route up to a point, the phraseology is:

Accepted Answer

RECLEARED amended route portion TO significant point of original route [REST OF CLEARANCE UNCHANGED]

Answer

CHANGE OF ROUTE APPROVED

Answer

ALTERNATE ROUTING CLEARED

Question 3

ADS-B is typically used in areas where radar installation is:

Accepted Answer

Costly or geographically impossible to install e.g., mountainous regions

Answer

Mandatory by law

Answer

Only required below FL 100

Question 4

The instruction to join a route or airway specifies the point, the level, and the phrase:

Accepted Answer

JOIN specify

Answer

JOIN IMMEDIATELY

Answer

JOIN WHEN READY

Question 5

ADS-C works in conjunction with which other data link system to exchange routine clearances and messages?

Accepted Answer

CPDLC Controller-Pilot Data Link Communications

Answer

ADS-B

Answer

ACAS

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