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abbreviated precision approach path indicator
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机场和空中交通管制
спрощений покажчик траєкторії точного заходження на посадку
(apapi)
航空
спрощений покажчик траєкторії точного заходження на посадку
英语 词库
abbreviated precision approach path indicator
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航空, 加拿大
A visual glide slope indicator
VGSI
consisting of only two light units normally situated on the left side of the runway in the form of a wing bar and indicating that the aircraft is on slope if the unit nearest the runway shows red and the unit furthest from the runway shows white, too high if both units show white, and too low if both units show red
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