Le McDonnell Douglas C-9 è una versione militare dell'aereo di linea McDonnell Douglas DC-9. È stato prodotto come C-9A Nightingale per la United States Air Force e C-9B Skytrain II per la Marina degli Stati Uniti e il Corpo dei Marines. L'ultimo volo del C-9A Nightingale è stato nel settembre 2005 e il C-9C è stato ritirato nel settembre 2011. La Marina degli Stati Uniti ha ritirato il suo ultimo C-9B nel luglio 2014. I due C-9 rimanenti in servizio nei Marines sono stati ritirati nell'aprile 2017.
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McDonnell Douglas VC-9C Walk Around
Fotografo
Vladimir Jakubov
Localizzazione
Castle Air Museum, Atwater
Foto
95
General Characteristics and Role
The McDonnell-Douglas C-9B Skytrain II is the United States Navy and Marine Corps designation for a militarized version of the successful Douglas DC-9 Series 30 commercial airliner. The C-9 series was primarily used by the Navy for the rapid transport of high-priority cargo and personnel, often serving as a dedicated logistics and medical transport platform. The ‘B’ variant was a convertible freighter/passenger aircraft, capable of quickly switching roles depending on mission needs. Its adoption represented the military’s strategy of utilizing reliable and high-speed commercial airframes for their transport needs, ensuring high dispatch reliability and readily available parts. The C-9B was instrumental in supporting U.S. Navy and Marine Corps operations worldwide until its retirement.
Property
Typical Value (C-9B / DC-9-30)
Ruolo
Military Passenger/Cargo Transport, Logistics Support
National Origin
Stati Uniti
Produttore
Douglas Aircraft / McDonnell Douglas
Service Entry (C-9B)
1973
Equipaggio
3 (Pilot, Co-pilot, Crew Chief/Loadmaster)
Capacity (Passengers)
Up to 90 troops, or 40 litter patients plus medical staff
Lunghezza
36.37 m (119 ft 4 in)
Apertura alare
28.47 m (93 ft 5 in)
Altezza
8.38 m (27 ft 6 in)
Empty Weight
28,200 kg (62,100 lb)
Max Takeoff Weight
49,940 kg (110,100 lb)
Powerplant and Performance
Engine: 2 x Pratt & Whitney JT8D-9 turbofan engines.
Thrust (Per Engine): 64.5 kN (14,500 lbf).
Maximum Speed: 917 km/h (570 mph; 495 kn) (Cruising speed).
Service Ceiling: 10,668 m (35,000 ft).
Range: 3,700 km (2,300 mi; 2,000 nmi).
Cargo: The C-9B featured a large cargo door on the port (left) side of the forward fuselage for easier loading of bulky items and litters.
Operational Variants and Legacy
C-9A Nightingale: This variant was used by the U.S. Air Force as a dedicated aeromedical evacuation aircraft.
C-9B Skytrain II: Served the U.S. Navy and Marine Corps Reserve units, focusing on fleet logistics support.
Civilian Heritage: The C-9 series benefited from the massive production run and technical maturity of the DC-9 airliner, making it extremely reliable and cost-effective to operate.
Retirement: The C-9B was phased out of Navy/Marine Corps service and replaced by newer C-40 Clipper (militarized Boeing 737) aircraft in the 2000s.