Helicopter deck the submarine, but brushes the officer charged with trying to hook him who receives a minor injury. Coaxial rotor helicopters in flight are highly resistant to side-winds, which makes them suitable for shipboard use, even without a rope-pulley landing system. Marine and offshore helicopter decks on board offshore oil platforms and ships are typically regulated by the rules defined within CAP 437, which defines standards for the design, marking, and lighting of marine/offshore helicopter decks, and is produced by the Civil Aviation Authority. The largest marine heli decks will accommodate the Boeing CH-47 Chinook, which requires a D value of
Chinook Point Chinook Point Chinook Point is a headland in Pacific County, Washington. Located just northwest of the mouth of the Columbia River, it is historically significant for several reasons. Captain Robert Gray, the first non-native to enter the river, saw it from Chinook Point in 1792. In 1805, it was the site of an encampment by the Lewis and Clark Expedition. It has been the site of military fortifications since 1864, most notably in the late 1890s, when most of the presently surviving Fort Columbia structures were built. The point, which constitutes the most developed portion of Fort Columbia State Park,