ADX Communication and Monitoring 5

Question 1

What is the difference between an AIRMET SIERRA and an AIRMET TANGO in terms of the hazard they describe?

Accepted Answer

SIERRA covers IFR conditions and mountain obscuration; TANGO covers turbulence

Answer

AIRMET Sierra addresses IFR conditions and mountain obscuration, while AIRMET Tango addresses turbulence, strong surface winds, and low-level wind shear.

Question 2

A flight is approaching a destination airport that has just issued a SPECI (Special Meteorological Report) showing conditions below the filed alternate minimums. What must the dispatcher do?

Accepted Answer

Contact the flight crew immediately and evaluate whether a new alternate must be designated with sufficient fuel

Answer

A SPECI showing conditions below alternate minimums requires the dispatcher to immediately assess whether the current alternate is still valid and whether additional fuel or a new alternate is needed.

Question 3

Under what conditions is a Part 121 dispatcher required to withhold a dispatch release?

Accepted Answer

When the dispatcher determines the flight cannot be conducted safely based on available information

Answer

A dispatcher has the authority and obligation to withhold the dispatch release whenever they determine that the flight cannot be conducted safely.

Question 4

Which radio frequency is used in the United States as the universal emergency frequency for all civil aviation communications?

Accepted Answer

121.5 MHz

Answer

121.5 MHz is the international civil aviation emergency frequency, monitored by ATC facilities and aircraft in flight.

Question 5

A dispatcher is planning a flight that will cross an ADIZ (Air Defense Identification Zone). What communication requirement must be included in the dispatch planning?

Accepted Answer

The flight must file an IFR or DVFR flight plan and adhere to position reporting requirements for ADIZ penetration

Answer

Flights penetrating an ADIZ must file an IFR or DVFR flight plan and comply with two-way radio communication and position reporting requirements.

(ADX) Aircraft Dispatcher Practice Test

(ADX) Aircraft Dispatcher Practice Test

ADX Communication and Monitoring 5