TNCN_2

1.What does the term "air-ground communication" mean?

• a One-way communication from stations or locations on the surface of the earth

• b One-way communication from aircraft to stations or locations on the surface of the earth

• c Two-way communication between aircraft and stations or locations on the surface of the earth

• d Any communication from aircraft to ground station requiring handling by the Aeronautical Fixed Telecommunication Network (AFTN)

2.What does the abbreviation "FIR" mean?

• a Flight information required.

• b Flight information region.

• c Flow information received.

• d Flight information radar.

3.QFE is the RTF Q-code to indicate:

• a The atmospheric pressure corrected to the aircraft cockpit height.

• b The atmospheric pressure referred to the highest fixed obstacle located on the surface of an aerodrome.

• c The atmospheric pressure at aerodrome elevation (or at runway threshold).

• d The altimeter sub-scale setting to obtain the flight level reference datum.

4.A message concerning an aircraft being threatened by grave and imminent danger, requiring immediate assistance is called:

• a Flight safety message.

• b Distress message.

• c Urgency message.

• d Class B message.

5.When transmitting time, which time system shall be used?

• a Local time (LT), 24-hour clock

• b Co-ordinated universal time (UTC)

• c Local time (LT) A.M. and P.M.

• d No specific system, as only the minutes are normally required

6.The time is 9:20 A.M. What is the correct way of transmitting this time if there is no possibility of confusion about the hour ?

• a Two zero.

• b Twenty.

• c Two zero this hour.

• d Nine twenty A.M.

7.Which of the following calls is a "general call" ?

• a YX-DEF Stephenville CONTROL.

• b YX-ABC, YX-BCD, YX-CDE Stephenville CONTROL.

• c ALL STATIONS Stephenville CONTROL.

• d YX-EFG, YX-FGH over

8.Must a "general call" be acknowledged"?

• a Yes, but only from the station first called.

• b No.

• c Yes, from all stations in the sequence they have been addressed.

• d Yes, from all stations in a random sequence.

9.Before transmitting the pilot should...:

• a Make sure that the aircraft is levelled off.

• b Listen out on the frequency to ensure no interference with another station already transmitting will occur.

• c Always write the message and read it during the transmission.

• d Make sure that the emergency frequency is tuned in at the same time

10.What is the consequence of a microphone button stuck on transmit (switched "on") ?

• a The frequency cannot be used by others.

• b None.

• c Other stations will have to use the "words twice" technique.

• d Readability will improve for all stations