ADX Communication Procedures 3

Question 1

An aircraft dispatcher receives a crew message stating 'TECHNICAL DELAY - ENGINE ISSUE.' Under Part 121, what must the dispatcher do before the flight can legally depart?

Accepted Answer

Issue a revised dispatch release once the issue is resolved and both PIC and dispatcher concur

Answer

A revised dispatch release must be issued and jointly agreed upon by both the dispatcher and PIC before departure after any significant technical issue.

Question 2

Which ICAO phraseology should a dispatcher instruct a crew to use when reporting their position over an oceanic waypoint on HF radio?

Accepted Answer

'Position report' followed by aircraft ID, position, time, altitude, next waypoint, ETA next waypoint, and subsequent waypoint

Answer

Standard oceanic position reports include aircraft identification, position, time, altitude, next waypoint, ETA, and the waypoint after next.

Question 3

What is the purpose of the Operational Control Center (OCC) frequency in airline communications?

Accepted Answer

It provides a dedicated channel for company operational communications between crews and dispatch

Answer

The OCC frequency is a company-assigned VHF channel used for operational messages between flight crews and the dispatch/operations center.

Question 4

A dispatcher notes that an inbound aircraft is 45 minutes late and the crew's duty time will expire before the turnaround can be completed. What should the dispatcher communicate to the crew?

Accepted Answer

Inform the crew of the duty time conflict and coordinate with crew scheduling to arrange relief or an extension

Answer

The dispatcher must communicate duty time constraints to the crew and coordinate with scheduling because crew rest rules are a regulatory safety requirement.

Question 5

Which of the following best describes a 'ACARS uplink' message?

Accepted Answer

A message sent from the ground station or dispatch to the aircraft

Answer

An uplink is a message transmitted from a ground station (such as dispatch) to the aircraft, while a downlink travels from the aircraft to the ground.

(ADX) Aircraft Dispatcher Practice Test

(ADX) Aircraft Dispatcher Practice Test

ADX Communication Procedures 3