ADX Communication and Monitoring 4

Question 1

If a dispatcher is unable to contact a flight crew for an extended period over an oceanic route, what is the dispatcher's responsibility?

Accepted Answer

Notify the appropriate ATC facility or ARINC to attempt contact and initiate alerting procedures if contact cannot be established

Answer

When contact is lost over oceanic routes, the dispatcher must notify the controlling ATC unit or ARINC and initiate alerting procedures consistent with the overdue aircraft protocol.

Question 2

What is the meaning of a SIGMET for volcanic ash, and how should a dispatcher respond?

Accepted Answer

It warns of a severe hazard to all aircraft; the dispatcher must reroute flights around the affected airspace

Answer

Volcanic ash SIGMETs represent a severe hazard to jet engines and airframes, requiring the dispatcher to immediately reroute affected flights around the ash cloud.

Question 3

Under 14 CFR Part 121, what is the dispatcher's obligation when a flight enters an area of reported severe turbulence?

Accepted Answer

Monitor the situation, relay updated weather information, and be prepared to coordinate a reroute or altitude change

Answer

Dispatchers must actively monitor developing hazards and communicate updated information to the crew, supporting a reroute or altitude change if needed.

Question 4

Which weather product provides a dispatcher with the most accurate forecast of convective activity along a route for the next 2 hours?

Accepted Answer

Convective SIGMET or SIGMET for Convection

Answer

Convective SIGMETs are issued for areas of significant convective activity and are the most operationally relevant product for near-term convective hazard assessment.

Question 5

A dispatcher notices an ASHTAM has been issued for an airport on a planned route. What does an ASHTAM primarily concern?

Accepted Answer

Volcanic ash hazard affecting airspace or airport operations

Answer

An ASHTAM is a special series NOTAM that provides information about volcanic ash affecting airspace, airports, or en route operations.

(ADX) Aircraft Dispatcher Practice Test

(ADX) Aircraft Dispatcher Practice Test

ADX Communication and Monitoring 4