Meteorological Information

Question 1

Provisional (PROV) TAF:

Answer 1

Indicates that the designated issuing authority did not issue the forecast.

May be due to the airport or the designated MET office not issuing a forecast or the forecast is missing.

Question 2

PIREPS.

Flight crew are required to report any:

Answer 2

Hazardous flight conditions to the appropriate ATC facility without delay.

Question 3

PIREP hazards to be reported:

Answer 3

• Met conditions
• Geophysical events
• Security breaches
• Wildlife
• Facilities and infrastructures
• Aircraft performance
• Lasers
• Other (unmanned balloons, crashed aircraft, ELT broadcast).

Question 4

It is acceptable to use one High Level Significant Weather chart:

Answer 4

For a multi sector flight.

Question 5

Is a significant weather chart required for dispatch?

Answer 5

No.

Question 6

In the event of a typhoon affecting Hong Kong, inbound crews should be updated:

Answer 6

By ACARS at least once every hour.

This message should include:

• The current operational status of the airport.
• Weather information.
• Preferred diversion ports.

Question 7

Should operations at Hong Kong be suspended due to a typhoon, the company will nominate airports as preferred diversion ports based on:

Answer 7

• Typhoon track and local weather.
• Ground handling and engineering support.
• Traffic congestion.