Visbility Flashcards
1
Q
What vis is fog?
A
<1000m
2
Q
What vis is mist?
A
1000-5000m
3
Q
What vis is haze?
A
<5000m
4
Q
At what points is RVR measured?
A
Threshold: 300m along rwy from threshold
Mid-point: 1000-1500m along rwy
Stop-end: 300m from the end of rwy
5
Q
How are the measurements for RVR taken?
A
2.5m (7.5ft) above the rwy at a lateral distance from the centreline not more than 120m
6
Q
What’s the typical thickness of radiation fog?
A
Up to a maximum of 500’
