MD-80,MD90

MD-80,MD90(English)

The Boeing MD-80, a quiet, fuel-efficient twinjet, was certified by the Federal Aviation Administration in August 1980 and entered airline service in October 1980. Its Pratt & Whitney JT8D-200 engines, combined with its efficient aerodynamic design, allow the MD-80 to meet all current noise regulations while producing operating costs among the lowest in commercial aviation.

MD-80是一雙引擎飛機,它在1980年十日第一次成功起飛,MD80,90又稱"三叉戟"

MD-80 Technical Characteristics
	MD-81	MD-82/-88	MD-83	MD-87
Passengers Typical 3-class configuration Typical 2-class configuration Typical 1-class configuration	N/A 155 172	N/A 152 172	N/A 155 172	N/A 130 139
Cargo	1,253 cu ft (35.5 cu m)	1,253 cu ft (35.5 cu m)	1,103 cu ft (28.7 cu m)	937 cu ft (26.5 cu m)
Engines maximum thrust	Pratt & Whitney JT8D-209 18,500 lb (8,391 kg)	Pratt & Whitney JT8D-217A/C 20,000 lb (9,072 kg)	Pratt & Whitney JT8D-219 21,000 lb (9,525 kg)	Pratt & Whitney JT8D-217C 20,000 lb (9,072 kg)
Maximum Fuel Capacity	5,840 U.S. gal (22,106 L)	5,840 U.S. gal (22,106 L)	7,000 U.S. gal (26,4951 L)	5,840/7,000* U.S. gal (22,106/26,495* L)
Maximum Takeoff Weight	140,000 lb (63,503 kg)	149,500 lb (67,812 kg)	160,000 lb (72,575 kg)	140,000/149,000* lb (63,503/67,813* kg)
Maximum Range	1,565 nautical miles (2,897 km)	2,052 nautical miles (3,798 km)	2,504 nautical miles (4,635 km)	2,374 nautical miles (4,395 km)
Typical Cruise Speed at 35,000 feet	0.76 Mach 504 mph (811 km/h)	0.76 Mach 504 mph (811 km/h)	0.76 Mach 504 mph (811 km/h)	0.76 Mach 504 mph (811 km/h)
Basic Dimensions
Wing Span	107 ft 8 in (32.8 m)	107 ft 8 in (32.8 m)	107 ft 8 in (32.8 m)	107 ft 8 in (32.8 m)
Overall Length	147 ft 8 in (45.1 m)	147 ft 8 in (45.1 m)	147 ft 8 in (45.1 m)	130 ft 4 in (39.7 m)
Tail Height	29 ft 6 in (9.05 m)	29 ft 6 in (9.05 m)	29 ft 6 in (9.05 m)	30 ft 5 in (9.3 m)
*with auxiliary fuel tanks

	MD-90-30	MD-90-50
Passengers Typical 3-class configuration Typical 2-class configuration Typical 1-class configuration	N/A 153 172	N/A 153 172
Cargo	1,300 cu ft (36.8 cu m)	822 cu ft (23.3 cu m)
Engines maximum thrust	International Aero V2525-D5 25,000 lb (11,340 kg)	International Aero V2528-D5 28,000 lb (12,701 kg)
Maximum Fuel Capacity	5,840 U.S. gal (22,104 L)	7,620 U.S. gal (28,845 L)
Maximum Takeoff Weight	156,000 lb (70,760 kg)	172,000 lb (78,245 kg)
Maximum Range	2,400 statute miles 2,085 nautical miles 3,860 km	3,205 statute miles 2,785 nautical miles 5,160 km
Typical Cruise Speed at 35,000 feet	0.76 Mach 504 mph (812 km/h)	0.76 Mach 504 mph (812 km/h)
Basic Dimensions Wing Span Overall Length Tail Height	107 ft 8 in (32.87 m) 152 ft 6 in (46.5 m) 30 ft 6 in (9.4 m)	107 ft 8 in (32.87 m) 152 ft 6 in (46.5 m) 30 ft 6 in (9.4 m)

mixed class
	144 passengers
first class
	12 passengers	36-inch pitch
economy class

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