31. One periscope was radar-equipped, giving the officers another mile of " sight " beyond the approximate five-mile visual range . 32. Finally, Allied radar eventually became sufficiently advanced that the " Schnorchel " mast could be detected beyond visual range . 33. Infra-red search and track and beyond visual range missile capabilities were removed and its avionics suite was very basic. 34. All three were destroyed within seconds of each other to for a " textbook " beyond visual range dogfight. 35. Beatty then ordered his ships to make a complete circle to stay within visual range of the Grand Fleet. 36. Do they have a wider visual range than humans, or is their whole visual range just shifted up a bit? 37. The two ships would spend the hours of darkness within visual range ; the ships then reversed roles the following day. 38. The brightness varies slowly and unpredictably over a 1-2 magnitude visual range and can remain approximately constant for many years. 39. Do they have a wider visual range than humans, or is their whole visual range just shifted up a bit? 40. A pair of scribbled rabbitfish spends about 80 % of their time together and are seldom out of visual range .
