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 Leeward Islands (northerly portion from the British Virgin  Islands to Dominica) and the Windward Islands (southerly portion  from Martinque to Trinidad). These isla â¦ nds, located in the  Caribbean Sea, are collectively referred to as The Lesser  Antilles.f you are trying to ask what three island groups are the Caribbean islands in, then the answer is the Greater Antilles, the Lesser Antilles and the Bahamas.   Different is â¦ lands are made FROM different things: volcanic mountain tops and coral are what they are made FROM.