The Quinjets are the Avengers' primary means of long-range transportation. The Avengers possess four Quinjets for their exclusive use. Two of these rest in the hangar by and remain flight ready at any time. The remaining two Quinjets are stored in the maintenance bay on stand-by.
A required part of Avengers training for every member involves learning to pilot a Quinjet.
The Quinjets have the following specifications:

• 2 x 2 symmetrically mounted modified Stark-Fujikawa J57 Turbojet engines, one modifed Stark TF45 Turbofan engine, and Vertical Take Off and Landing(VTOL) capabilities by routing the exhaust of four small engines through vertical thrust deflectors.
• Maximum speed at sea level: MACH 5.6
• Range with maximum fuel(plus 7% fuel reserves): 27,400 miles
• Total length: 34' 8"
• Wingspin: 23' 9"
• Cabin width: 10' 4"
• Cabin height: 8' 8"
• Bi-directional seating for 12 in the cabin.
• Seating for 2 in the cockpit.
• Advanced auto-pilot system capable of handling routine flight tasks.
• Emergency medical bed in the cabin's rear equipped with various first aid technologies.
• Satellite communications hookup with computer interface to Avengers Mansion.
• Wide array of sensory technologies.
• One onboard skycycle.