Comparison of McDonnell Douglas C-9 Nightingale and McDonnell Douglas MD-81

Attribute	McDonnell Douglas MD-81 ×	McDonnell Douglas C-9 Nightingale ×
General
Manufacturer	McDonnell Douglas	McDonnell Douglas
Model	McDonnell Douglas MD-81	McDonnell Douglas C-9 Nightingale
Country	United States	United States
Manufactured from (year)	1979	1968
Manufactured to (year)	1994	1982
Type	Mid Size Passenger Jets	Military Aircraft
Icao	MD81	DC9
Performance
Engine	2x 2 X Pratt And Whitney P&W JT8D-219	2x Pratt & Whitney JT8D-9
Power, lbf (lbf)	18,500	14,500
Max cruise speed (km/h)	889	926
Approach speed (km/h)	232	235
Travel range (km)	3,334	3,221
Fuel economy (km/l)	0.176	-
Service ceiling (m)	11,278	11,278
Rate of climb (m/sec)	15.24	15.24
Take off distance (m)	2,271	2,100
Landing distance (m)	1,500	1,500
Weights
Max take off weight (kg)	63,500	50,000
Max landing weight (kg)	58,061	44,906
Max payload (kg)	18,195	13,674
Fuel tank capacity (l)	22,129	13,926
Baggage volume (m³)	35.5	25.3
Dimensions
Seats	172	84
Seats - business class	155	-
Cabin height (m)	2.04	2.05
Cabin width (m)	3.03	2.66
Cabin length (m)	30.6	-
Exterior length (m)	45.02	36.36
Tail height (m)	9.02	8.5
Fuselage diameter (m)	3.35	3.3
Wing span (m)	32.8	28.44
Wing tips	No Winglets	No Winglets