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 windward side of the boat is the side of the boat that the wind is hitting. the other side of the boat that is sheltered from the wind is the Leeward side. In other words â¦... the windward side of the boat is the side that is closest to the source of the wind.