ER stands for Extended Range These aircraft types that is identified by 'ER' are aircraft models that is enhanced for better efficiency at long range flights than its counterpart aircraft of the same model. Source(s): Aerospace Engineer - Aviation Enthusiast
Actually Dusty.... The leeward side extends all the way to Koko Head (encompasssing Pearl Harbor, Honolulu to Hawaii Kai). By definition. Windward is the side of an island where the predominant wind travels from the sea onto the island. Leeward is the side of an island where the predominant wind travels from the interior of the island to the sea. In practice on Oahu.
The Windward and Leeward Islands have a warm, mild climate and are frequent stops of the Caribbean cruise industry. Tourism is their most important source of outside income. They have a small agricultural economy and crops such as bananas, spices, limes, sugar, cotton, coffee, tobacco and cacao are grown for export.he Windward and Leeward Islands are positioned on the eastern edge of the Caribbean Plate. This is an area of modern and historic volcanism. The islands are mainly volcanic with some coral contributions. They have a rich volcanic soil that supports a small agricultural economy.