CNN CNN This Morning Weekend June 4, 2024 10:43:00
>> 1943 cancel takeoff planes. >> reporter: they use radar, communication with pilots and relying on what they can see from the tower, at least when they can see. >> okay. >> reporter: now i'm stressed. the controller from their vantage point in the tower is not able to see the actual runway environment. fog and low visibility were the conditions in austin, texas, in february. a fedex plane was approaching austin's international airport as a southwest plane was taking off from the same runway. with the weather it would have been hard to visually confirm. >> southwest should be off the ground a...