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 salmon culturally prized among certain Native American tribes. Many celebrate the first spring Chinook caught each year with "first-salmon ceremonies". While salmon fishing is still important economically for many tribal communities, the Chinook harvest is typically the most valuable. Chinook salmon were described and enthusiastically eaten by the Lewis and Clark Expedition. Lewis wrote that, when fresh, they tasted better than any other fish he had ever eaten. They did not particularly like dried or "pounded" salmon. Lewis and Clark knew about Pacific salmon, but had never seen one. The Western world had known about Pacific salmon since the late 18th