Lecture 3

Question 1

IRVR reporting to aircraft is started when?

Answer 1

• Whenever the aerodrome meteorological report shows the visibility (prevailing or minimum) to be less than 1500m;
• Whenever the IRVR display is indicating an RVR value equal to or less than the maximum for that system;
• Whenever shallow fog is reported and during a period for which it is forecast.

Question 2

What are the lower and upper limits for asssesmwnts of RVR?

Answer 2

50m is the lower limit
1500m is the upper limit

Question 3

IRVR R/T

Answer 3

“C/S, RVR runway 27, 650 600 600 metres

”C/S, RVR runway 27, touchdown not available, mid point 650, stop end 550 metres

Question 4

What light settings needs to be set to receive RVR readings?

Answer 4

10%

Question 5

Bird activity actions

Answer 5

Advised aircraft on significant bird activity has been observed or reported. (Essential aerodrome info)
Advised AC on use of pyrotechnics.

Question 6

GRF
Braking action

Answer 6

reports on the estimated braking action determined by the pilots of aircraft,
which have already landed, shall be passed to other aircraft. A braking action report
of less than good should not be passed if more than 30 minutes has elapsed since
the last aircraft report.