Boeing 737
The Boeing 737 jets are the most popular commercial airplanes in the world. Customers have placed more than 6,000 orders with Boeing for all types of 737s. Boeing’s “Original” 737 models are the 737-100 and the 737-200 variations. The “Classic” 737 models are the 737-300, 737-400, and the 737-500.
Boeing’s most recent line of 737 jets is the 737-600, 737-700, 737-800, and the 737-900, all known as “Next Generation” 737s. These jets incorporate the newest technology, some of which is under constant development and testing. Next Generation features include wingtip extensions known as blended winglets that create added lift, making it possible to carry more weight. They help to minimize engine maintenance and extend the airplane’s range while also saving on fuel costs.
Boeing’s newest 737 jet is the 737-900ER, an extended range variant of the 900 series. The 737-900ER incorporates a number of high-tech features, some of which were originally developed for the United States military.
One example is the Heads-Up Display (HUD) that displays relevant information onto the pilot’s field of vision. One feature still in the evaluation phase is the Enhanced Vision System (EVS). It uses infrared, or thermal, imaging that visually enhances objects that may be difficult for the pilot to see, such as terrain or other airplanes when flying in darkness or bad weather.
The Quiet Climb System (QCS) is another feature of the 737-900ER. The QCS reduces engine noise and gives operators the option of loading more cargo or passengers. It also allows airplanes to operate within local noise restriction airspace.
The 737-900 is already in service, with additional orders yet to be completed by Boeing. Here are some fast facts about the 737-900ER model.
737-900ER
Maximum speed: 261 mps (Mach 0.79)
Cruise speed: 0.78 Mach
Range: 3,200 nautical miles with a two-class layout and two auxiliary fuel tanks. 2,700 nautical miles with a one-class layout.
Length: 138’ 2”
Wingspan: 112’ 7”
Tail Height: 41’ 2”
Maximum weight: 187,700 pounds
Empty weight: 94,579 pounds
Engine(s): Two CFMI CFM56-7 with 27,300 maximum pounds of thrust
Crew: Two
Passengers: 180 in a typical 2-class configuration, and 215 in a typical 1-class configuration.
In 2005, Lion Air, an Indonesian company, ordered the first 30 of the 737-900ERs and on August 8 of 2006, Boeing completed production of the first 900ER. The delivery date of the 737-900ER model has been scheduled to Lion Air sometime in April of 2007.
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