A light note here...
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Kinshasa airport, the 1970s... Back then was "Zaire" (ex-Belgian Congo)
Every time we landed, the wind was "two-five-zero degrees eight knots"...!
A week later, still 250º/08...
Six month later, same story...
As we stepped-off the plane, was more like a stiff wind from due South at 20...¿?¿?¿?
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One day, we are at the bar, Hotel Memling...
Many pilots there... I see some Sabena guys, go shake hands with them... bang the mugs with "Simba" beer...
Hey, guys, you are experts here, "why in hell is the wind 250º/08...?"
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A veteran captain told me "you know, their little training booklet gives an example of wind 250 at 8 knots... so they studied that for their test as controller, they memorized it, and that is what you will always get as wind in Kinshasa, for takeoff or for landing"...
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Happy contrails