Description:   The Cessna Citation I , originally developed as the FanJet 500 in 1968, is a turbofan powered business jet which is built by Cessna Aircraft Company.  It is classified as a small business jet and includes two variants: Citation I (500 Series) and the Citation I/SP which is configured and approved for Single-pilot operations.

Manufacturer:  Cessna Aircraft Company

Type: Corporate Buisness Jet

Website: http://www.cessna.com/citation.html
Operators : While typically this aircraft is used in the civil side of the aviation industry, 5 military operators  utilize this aircraft:  Argentine Army, People’s Liberation Army Air Force (China), Ecuadorian Navy, Mexican Air Force, Venezuelan Air Force.

Specifications:

• Crew: Two 
• Capacity: Five passengers
• Length: 43 ft 6 in (13.26 m)
• Wingspan: 47 ft 1 in (14.35 m)
• Height: 14 ft 4 in (4.37 m)
• Wing area: 278.5 ft² (25.9 m²)
• Empty weight: 6,631 lb (3,008 kg)
• Max takeoff weight: 11,850 lb (5,375 kg)
• Powerplant: 2× Pratt & Whitney Canada JT15D-1B turbofan, 2,200 lbf (9.77 kN) each

Performance

• Maximum speed: Mach 0.705 (above 28,000 ft (8,530 m))
• Cruise speed: 357 knots (411 mph, 662 km/h) at 35,000 ft (10,670 m)
• Stall speed: 82 knots (95 mph, 152 km/h)
• Range: 1,328 NM (1,528 mi, 2,459 km) (45 min reserves, max fuel, 1,562 lb payload)
• Service ceiling: 41,000 ft (12,495 m)
• Rate of climb: 2,719 ft/min (13.8 m/s)
• Wing loading: 42.5 lb/ft² (208 kg/m²)
• Thrust/weight: 0.37