FIRS, MET, CRUISING LEVELS NAVIGATION AND COMMUNICATION SERVICES, NOTAMS ETC: DGCA Radio Telephony (R/T) questions

Question 1

The primary purpose of a transponder operating on 1090 MHz is to:

Accepted Answer

Reply to interrogations from secondary radar with information like identity and altitude

Answer

Navigate using way points en route

Answer

Communicate with other aircraft on ADS-B

Question 2

What is the primary purpose of Reduced Vertical Separation Minima (RVSM) airspace?

Accepted Answer

To reduce the vertical separation between IFR flights from 2000 ft to 1000 ft between FL290 and FL410

Answer

To allow VFR flights at higher altitudes

Answer

To reduce Flight Levels available for IFR flights for safety reasons

Question 3

A TAF is valid typically for how long?

Accepted Answer

9 to 30 hours

Answer

3 to 6 hours

Answer

48 hours

Question 4

Which office in India is responsible for originating international NOTAMs Series (A)?

Accepted Answer

The International NOTAM Offices in Chennai, Delhi, Kolkata, and Mumbai

Answer

The local Aerodrome Meteorological Office (AMO)

Answer

The Director General of Civil Aviation (DGCA) headquarters

Question 5

The secondary surveillance radar (SSR) system relies on an aircraft's:

Accepted Answer

Transponder

Answer

Reflective metal skin

Answer

VHF communication radio

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