You get wind reports as you approach an airfield but the windsock gives you realtime info as you approach the runway. It would be impractical to keep checking the forecast as you make your approach...
The other big benefit is that light aircraft may be flying into an airfield without weather reports. The windsock shows you what the wind is doing and therefore which runway to use.
a windsock from japan
Generally windsock do narrow towards the free end
So the wind passed through and moves the windsock in the direction the wind is blowing.
Wings for Roger Windsock - 1947 was released on: USA: 1947
a windsock can help you mesure air because when its blowing right you can tell the wind is blowing right
At airports.
a Chinese windsock
it was invented in 1432
Mayday
Windsocks are often used at airports to indicate the direction and strength of the wind.A standard windsock has white and orange stripes
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It shows wind direction.