Crowdly

Unreadable.

Readable but with difficulty.

Readable now and then.

In in the event of CPDLC failure for all aircraft, what communication shall be transmitted by the ATC unit?

CPDLC message failure

All stations CPDLC failure (unit name)

Disregard CPDLC

All stations CPDLC (failure instructions)

For aircraft in the heavy wake turbulence category the word "Heavy" shall be included immediately after the aircraft call sign in..

the initial radiotelephony contact between such aircraft and tower units only.

all radiotelephony contact between such aircraft and the approach control unit.

the initial radiotelephony contact between such aircraft and ATS units.

all radiotelephony contacts between such aircraft and ATS units.

F-GTPO is a Robin HR-200 aeroplane. Which of the options below is a correct abbreviation of its call sign?

Robin 200

T-PO

F-PO

Robin F-PO

An aircraft call sign can be abbreviated after satisfactory communication has been established, no confusion is likely to arise and...

after the aircraft station and ground station agree to use the abbreviated call sign.

if there are a lot of other communications on the frequency.

after the abbreviated call sign has been used by the ground station.

if the aircraft station deems it necessary to call the ground station with its abbreviated call sign.

A pilot is flying F-GTPO. The controller says: "F-PO, when passing 1500 ft, contact Lille Approach 126.475?". What will be the reply?

When passing 1500 ft, contacting 126.475, F-PO

Contacting 126.475, F-PO

126.475, F-PO

When passing 1500 ft, 126.475, F-PO

A pilot has requested a diversion due to weather via CPDLC. What ATC reply could he/she expect?

"Affirm"

"Standby"

"Wilco"

"Roger"

A controller instructs an aircraft call sign BIGJET 347 to transfer communication to another aeronautical station upon reaching a specified level. Which of the following phraseology is in accordance with agreed procedures?

BIGJET 347 when reaching FL120 contact Donlon Control 119.725.

BIGJET 347 contact Donlon on 119.725 upon reaching FL120.

BIGJET 347 at FL120 call Donlon Centre on 119.725.

BIGJET 347 when flying at Level 120 contact Donlon on 119.725.

Which call-sign suffix designates a station issuing pre-flight clearances?

DELIVERY

DEPARTURE

DISPATCH

INFORMATION

What is the definition of CAVOK?

Visibility is 10 000 m or more, no significant cloud below 5000 m, no significant weather.

Visibility is 10 000 m or more, no significant cloud below 1500 m, no significant weather.

Visibility is 5000 m or more, no significant cloud below 1500 m, no significant weather.

Visibility is 5000 m or more, no significant cloud below 10,000 m, no significant weather.