XCS Excess15, Руководство пользователя

Страница: 12 / 124

10
DESIGN caTEGoRIES
CATEGORIES MAXIMUM WIND MAXIMUM WAVES
Category A Force 9 Established 47 knots Gusts approximately 61 knots 10 metres
Category B
Force 8 Established 40 knots Gusts approximately 52 knots 8 metres
Category C
Force 6 Established 27 knots Gusts approximately 35 knots 4 metres
Category D
Force 4 Established 16 knots Gusts approximately 23 knots 0.5 metres
The maximum height of waves is measured from trough to crest; The European regulations use the concept of significant height
of waves (H 1/3).
The wind force (Beaufort scale) is the average actual wind speed over a period of 10 minutes at 10 metres above the sea.