And they can have a serious impact on human health, too. A red tide occurs when the population of certain kinds of algae known as dinoflagellates explodes, creating what's called an algal bloom.. Scientists sometimes refer to red tides as harmful algal blooms or HABs.When millions of these microscopic algae reproduce and cluster in one area of the ocean, they can change the color of the water, according to the Centers for Disease Control and Prevention.nd they can have a serious impact on human health, too. A red tide occurs when the population of certain kinds of algae known as dinoflagellates explodes, creating what's called an algal bloom.. Scientists sometimes refer to red tides as harmful algal blooms or HABs.
The Airbus A320 family consists of short-to medium-range, narrow-body, commercial passenger twin-engine jet airliners manufactured by Airbus. The family includes the A318, A319, A320 and A321, as well as the ACJ business jet.he Airbus A320 is the first narrow body airliner to have a significant amount of its structure made from composite material. Its tail assembly made almost entirely of such material by CASA, who also builds the elevators, main landing gear doors, and rear fuselage parts.
The Learjet Model 35 and Model 36 are a series of American multi-role business jets and military transport aircraft manufactured by Learjet. When used by the United States Air Force they carry the designation C-21A. The aircraft are powered by two Garrett TFE731-2 turbofan engines. Its cabin can be arranged for 6-8 passengers. The longer-range Model 36 has a shortened passenger area to provide more space in the aft fuselage for fuel tanks. The engines are mounted in nacelles on the sides of the aft fuselage.