International Operations - FANS-1-A - CPDLC and ADS-C

In addition to direct communication, CPDLC also:

Allows the flight crew to store and review messages.

What is the first step in the data link CPDLC process?

ATS Facilities Notification logon.

Which of the following is a means of dialogue between controller and flight crew, using data link instead of voice ATC communications?

CPDLC.

What language(s) is/are acceptable when sending text data link messages?

English only.

What makes an inactive CPDLC connection different from an active connection?

Inactive connections do not allow an ATSU and the aircraft to exchange CPDLC messages.

Which of the following is true about ADS-C?

It uses various onboard systems to automatically provide aircraft position, altitude, speed, intent and meteorological data.

Which of the following is a type of event that can be contained in an event contract established by ATSU?

Lateral deviation event (LDE)

How can a flightcrew indicate an emergency situation using the CPDLC downlink?

MAYDAY MAYDAY MAYDAY.

Data link communications should be used:

Only in conjunction with facilities specified for the route to be flown.

What are the three types of ADS contracts?

Periodic, Event, and Demand.

As a minimum, ADS-C data includes:

Position, altitude, speed, intent, and meteorological data.

Data link is designed for:

Routine messages.

A CPDLC message is open if:

The aircraft or ground system has not yet received a required response.

How many CPDLC connections can an aircraft have established at a time?

Two.

If ATC data link conflicts with a voice clearance, comply with the:

Voice clearance.