TNCN_2

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)

a Flight information required.

b Flight information region.

c Flow information received.

d Flight information radar.

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.

a Flight safety message.

b Distress message.

c Urgency message.

d Class B message.

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

a Two zero.

b Twenty.

c Two zero this hour.

d Nine twenty A.M.

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

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.

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

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