From this site by Boeing for the B737-800: fuel used for TO and climb = 2,300 kg. From this site: fuel burn at idle of a CFM56 engine = 300 kg/hr, so for the half hour descent two engines burn through 300 kg.
People Also Ask
Can a 737 land with full fuel? Essentially all airplanes can land with full tanks. For civilian aircraft it's a requirement. But if you land at above the maximum landing weight, you run an increased risk of bending something, and may require a heavy landing inspection before you can fly again.
The NG has one of the best safety records among all aircraft, with just 11 fatal accidents out of more than 7,000 planes delivered since 1997. A Boeing Co. 737-800 NG aircraft of the China Eastern Airlines Corp. involved in a crash on Monday while carrying 132 people is considered one of the safest aircraft ever made.
A plane like a Boeing 747 uses approximately 1 gallon (about 4 liters) of fuel every second. Over the course of a 10-hour flight, it might burn 36,000 gallons (150,000 liters). The 747 burns approximately 5 gallons of fuel per mile (12 liters of fuel per kilometer).