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
Billy Chinook in the Oregon Country. Chinook was an orphan and lived at the mission. In the summer of 1843, then-Lieutenant John C. Frémont and Kit Carson visited the present-day Bend, Oregon and The Dalles, Oregon areas. Chinook was 16 to 19 years old at the time and was recruited by Frémont as a guide. The Frémont expedition (Frémont's second) then explored central Oregon and the Klamath Basin, and further into present-day Nevada and California areas through July 1844. In 1845 Frémont traveled to Washington, D.C. with Chinook. While there, Frémont awarded a medal to Chinook which bore the likeness of the