ทัศนวิสัย (VIS: Visibility)
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คำนิยาม
The greatest distance at which prominent objects can be identified with the unaided eye
คำที่เกี่ยวข้อง
เพดานเมฆ (Ceiling)
The height of the lowest layer of clouds covering more than half the sky
ความสูงของการตัดสินใจ (DH: Decision Height)
The altitude during a precision approach at which the pilot must decide to land or go around
หมอก (Fog)
Visibility-reducing water droplets suspended near the surface, a major cause of airport delays
METAR (METAR)
Aviation Routine Weather Report — a standardized format for reporting current weather conditions
ไมล์ธรรมนูญ (SM: Statute Mile)
A unit of distance equal to 5,280 feet or approximately 1.609 km