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
Theyâre called the Windward Islands because theyâre exposed to the wind (âwindwardâ) of the northeast trade winds (northeasterlies). Windward and Leeward Islands of the Lesser Antilles The Windward Islands include. The Leeward Islands are the northwestern islands of the Lesser Antilles. Theyâre called the Leeward Islands because theyâre away from the wind (âleeâ).
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.