At the time of the launch, Boeing declared that the 737-900ER has 9 per cent lower operating costs per trip and 7 per cent lower operating costs per seat than the comparable A321 model, which is more than 4500 kg heavier. option for two auxiliary fuel tanks in the cargo hold īoeing claims 98 per cent spares commonality by investment with other members of the 737NG family.strengthened landing gear and supports, increased capacity wheels and brakes.strengthened fuselage, wing box and center section.leading and trailing edge flap revisions.The new bulkhead is 180 kg heavier than the traditional domed one Flat aft pressure bulkhead to enable cabin revisions for 26 additional passengers.additional Type 2 exit doors (60 x 131 cm) behind the wings to bring certified passenger capacity to 215.This aircraft's cabin is pressurized to a simulated 6,500-foot (2,000 m) altitude. It has an auxiliary fuel system, giving it a range of up to 4,725 nautical miles (8,751 km), and a Head-up display. The BBJ3 has 1,120 square feet (104 m2) of floor space, 35% more interior space and 89% more baggage space than the BBJ2. The 737-900ER is now the standard 737-900 model offered by Boeing and also the Boeing's BBJ3 is based on the 737-900ER. The weight advantage probable will give around a 90km improvement. This aircraft had become a worthy transcontinental successor for the 21st century. The 737-900ER was instituted to meet the range and passenger capacity of the 757-200 aircraft and also to directly compete with the Airbus A321. Lion Air received this aircraft on Apin a special dual paint scheme combining the Lion Air lion on the vertical stabilizer and the Boeing livery colors on the fuselage. The Boeing 737-900ER was launched on July 18, 2005, with an order for 30 airplanes from Lion Air and the first delivery was scheduled for the first half of 2007.
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