Flight testing showed that the Dasb 80 could take off too soon at too high an angle of attack, resulting in an over-rotation and a much-increased take-off run, A small leading-edge flap cured this problem and was introduced into the early production line. Th tankers were u sed to refuel Iran's F -4s with the boom and F s wi th the hose-and-drogue system and extended their effective range by about 2, miles 4, km , giving an important strategic advantage against lraq until that nation acquired Iluyshin tankers. Bobby's Girl. The U. Wastewater treatment refers to the physical, chemical and biological processes used to remove pollutants from wastewater before discharging it into a water body.
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