Readable now and then.

Readable.

Readable but with difficulty.

Unreadable.

CPDLC message failure

All stations CPDLC (failure instructions)

Disregard CPDLC

All stations CPDLC failure (unit name)

all radiotelephony contacts between such aircraft and ATS units.

the initial radiotelephony contact between such aircraft and ATS units.

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

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

Robin F-PO

F-PO

Robin 200

T-PO

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

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

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

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

When passing 1500 ft, 126.475, F-PO

Contacting 126.475, F-PO

When passing 1500 ft, contacting 126.475, F-PO

126.475, F-PO

"Wilco"

"Affirm"

"Standby"

"Roger"

BIGJET 347 when reaching FL120 contact Donlon Control 119.725.

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

BIGJET 347 contact Donlon on 119.725 upon reaching FL120.

BIGJET 347 at FL120 call Donlon Centre on 119.725.

DEPARTURE

DISPATCH

INFORMATION 

DELIVERY 

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

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

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

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