Runway Contamination

Question 1

List some runway contaminants

Answer 1

• Water
• Ice
• Snow
• Slush

Question 2

Define dry

Answer 2

Surface not affected by water,slush,snow or ice

Question 3

Define Damp

Answer 3

Surface shows a change of colour due to moisture

Question 4

Define wet

Answer 4

Surface is soaked but not significant patches of standing water

Question 5

Define Water patches

Answer 5

Significant water patches of standing water visible (more than 25%) covered by water more than 3mm deep

Question 6

Define Flooded

Answer 6

Extensive standing water is visible (more than 50% of runway surface covered by water) more than 3mm deep

Question 7

Describe dry snow

Answer 7

Can be blown if lose or compacted by hand falls apart

Question 8

Describe wet snow

Answer 8

If compacted by hand will form a snow ball

Question 9

Describe compacted snow

Answer 9

Snow compressed into a solid mass resits further compression holds together or breaks into chunks if picked up.

Question 10

Describe slush

Answer 10

Water saturated snow which with a heel and toe slap down action with foot against the ground, will be displaced with splatter