Open main menu

McDonnell Douglas DC-9

airliner family

McDonnell Douglas DC-9 is a twin-engine, short-range jet airliner seating 110 passengers.

DC-9
Northwest N756NW DC9.JPG
A Northwest Airlines DC-9-41, 2006
Role Narrow-body jet airliner
Manufacturer Douglas Aircraft Company
McDonnell Douglas
First flight February 25, 1965
Introduction December 8, 1965 with Delta Air Lines
Status In limited service
Primary users USA Jet Airlines
Aeronaves TSM
Northwest Airlines (historical)
Delta Air Lines (historical)
Produced 1965–1982
Number built 976
Unit cost
US$5.2M (-40, 1972)[1]
Variants McDonnell Douglas C-9
Developed into McDonnell Douglas MD-80
McDonnell Douglas MD-90
Boeing 717
Scandinavian Airlines McDonnell Douglas DC-9

SpecificationsEdit

DC-9 airplane characteristics[2]
Variant -15 (-21) -32 -41 -51
Cockpit crew[3]:66 Two
1-class seating:15–18 90Y@31-32" 115Y@31-33" 125@31-34" 135@32-33"
Exit limit[3]:80 109 127 128 139
Cargo:4 600 ft³ / 17.0m³
-15F: 2,762 ft³ / 78.2m³
895 ft³ / 25.3m³
-33F: 4,195 ft³ / 119.0m³
1,019 ft³ / 28.9m³ 1,174 ft³ / 33.2m³
Length:5–9 104 ft 4.8in / 31.82m 119 ft 3.6in / 36.36m 125 ft 7.2in / 38.28m 133 ft 7in / 40.72m
Wingspan:10–14 89 ft 4.8in / 27.25m
-21: 93 ft 3.6in / 28.44m
93 ft 3.6in / 28.44m 93 ft 4.2in / 28.45m
Height:10–14 27 ft 7in / 8.4m 27 ft 9in / 8.5m 28 ft 5in / 8.7m 28 ft 9in / 8.8m
Fuselage width:23 131.6in / 334.3 cm
Cabin width:24 122.4in / 311cm
Max. takeoff:4 90,700 lb / 41,141 kg
-21: 98,000 lb / 45,359 kg
108,000 lb / 48,988 kg 114,000 lb / 51,710 kg 121,000 lb / 54,885 kg
Max. Landing:4 81,700 lb (37,058 kg)
-21: 95,300 lb (43,227 kg)
99,000 lb (44,906 kg) 102,000 lb (46,266 kg) 110,000 lb (49,895 kg)
Empty:4 49,162 lb / 22,300 kg
-15F: 53,200 lb / 24,131 kg
-21: 52,644 lb / 23,879 kg
56,855 lb / 25,789 kg
-33F: 56,430 lb / 25,596 kg
61,335 lb / 27,821 kg 64,675 lb / 29,336 kg
Fuel:4 24,743 lb / 11,223 kg 24,649 lb / 11,181 kg
Engine (2×)[3] JT8D-1(A/B) -5 -7(B) -9(A) -11 -15 -17; -21: -9(A) -11 -1(A/B) -5 -7(A/B) -9(A) -11 -15(A) -17(A) -9(A) -11 -15(A) -17(A) -15(A) -17(A)
Thrust (2×)[3] -1(A/B) -7(A/B) : 14,000 lbf (62 kN), -5/-9(A): 12,250 lbf (54.5 kN), -11: 15,000 lbf (67 kN), -15(A): 15,500 lbf (69 kN), -17(A) : 16,000 lbf (71 kN)
Ceiling[3]:67 35,000 ft (11,000 m)
MMo[3] Mach 0.84 (484 kn; 897 km/h)
Range:36–45 1,300 nmi (2,400 km)
-21: 1,500 nmi (2,800 km)
1,500 nmi (2,800 km) 1,200 nmi (2,200 km) 1,300 nmi (2,400 km)

ReferencesEdit

  1. "Airliner price index". Flight International. 10 August 1972. p. 183.
  2. "DC-9 airplane characteristics for airport planning" (PDF). Douglas aircraft company. June 1984.
  3. 3.0 3.1 3.2 3.3 3.4 3.5 "Type Certificate Data Sheet no. A6WE" (PDF). FAA. March 25, 2014.