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      Cessna A-37 Dragonfly (Super Tweet) Light Attack Aircraft / Observation and Control  

    Cessna A-37 Dragonfly (Super Tweet) Light Attack Aircraft / Observation and Control

    The Cessna A-37 Dragonfly proved to be a successful close-support aircraft.

     Updated: 5/11/2016; Authored By Dan Alex; Content ¬©www.MilitaryFactory.com

    The United States Air Force (USAF) was already using the straight-wing, jet-powered Cessna T-37 "Tweet" as its primary trainer by the time of its involvement in the Vietnam War (1955-1975). The aircraft were introduced in 1957 and managed a role into 2009 with some 1,269 being built. As the American commitment to the war grew, so too did its needs and among these was for a stable, light-class ground attack platform of which a pair of T-37C models were evaluated for the role. From this was born a revised version of the Tweet family line, given the designation of "A-37" and the nickname of "Dragonfly" and over 600 of the type were eventually built/modified under the Cessna brand label. These went on to see service with the USAF, South Vietnamese forces, Chile and Peru among others.

    Compared to the T-37, the A-37 was given several notable modifications for the light attack role. Its undercarriage and wings were reinforced and wingtip fuel tanks were increased in size to promote better loitering times and operational ranges. The fuselage also accepted an internal General Electric Minigun Gatling system for close-range strafing. The cockpit was updated to include modern USAF weapons support, navigation and communications equipment. Each wing was initially granted use of three hardpoints and cleared to carry various types of USAF ordnance in inventory. The crew of two remained from the original Tweet and were seated in a side-by-side arrangement complete with the original's dual control scheme. Vision was largely good thanks to the lightly-framed canopy. The aircraft was powered by 2 x General Electric J85-J2/5 turbojet engines with approximately 2,400lbs of thrust output each.

    From this revision was born the "YAT-37D" prototype used to prove the platform viable to USAF authorities. First flight was recorded in October of 1964 and, after a period of growing disinterest in the type which delayed service entry, mounting losses of other close-support systems forced USAF attention back onto the A-37 project. A second prototype was added during testing and this model included an additionally pair of weapons pylons for greater munitions support. The YAT-37D then graduated from its testing role into the "AT-37D" which then evolved to the finalized "A-37A" designation and subsequent production models.

    As completed, the A-37 was given a wide, squat forward fuselage which tapered rather nicely to the rear. The wings were straight in their design and capped by wingtip fuel tanks. Underwing pylons were held well outboard of the fuselage. The twin engine arrangement, buried in the fuselage, was aspirated by a pair of small intakes to either side of the aircraft. The empennage included a single vertical tail fin with mid-set horizontal planes. The undercarriage was wholly retractable and short, leading to the aircraft having a very low profile when at rest.

    Cessna A-37B Dragonfly Technical Specifications

    Service Year: 1967
    Type: Light Attack Aircraft / Observation and Control
    National Origin: United States
    Manufacturer(s): Cessna Aircraft Company - USA
    Production Total: 618

    Structural (Crew Space, Dimensions and Weights)

    Operating Crew: 2
    Length: 28.22 feet (8.6 meters)
    Width: 35.76 feet (10.90 meters)
    Height: 8.86 feet (2.70 meters)

    Weight (Empty): 6,206 lb (2,815 kg)
    Weight (MTOW): 13,999 lb (6,350 kg)

    Installed Power and Standard Day Performance

    Engine(s): 2 x General Electric J85-GE-17A turbojet engines developing 2,850 lb.

    Maximum Speed: 506 mph (815 kph; 440 knots)
    Maximum Range: 932 miles (1,500 km)
    Service Ceiling: 41,765 feet (12,730 meters; 7.91 miles)
    Rate-of-Climb: 7,000 feet-per-minute (2,134 m/min)

    Armament / Mission Payload

    1 x 7.62mm GAU-2B/A Minigun in nose

    OPTIONAL (8 x underwing hardpoints):
    Conventional drop ordnance, rocket pods, Napalm, cluster bombs, gun pods and AIM-9 Sidewinder air-to-air missiles.

    Global Operators / Customers

    Chile; Colombia; Dominican Republic; Ecuador; El Salvador; Guatemala; Honduras; Peru; South Korea; South Vietnam; Thailand; Uruguay; United States; Vietnam

    Model Variants (Including Prototypes)

    T-37 Dragonfly - Base Series Designation

    YAT-37D - Prototype examples modified from two T-37C trainers.

    YA-37A - YAT-37D redesignated; two examples

    T-37A - Initial production model form converted T-3 Tweets; 39 examples; fitted with 2 x General Electric J85-GE-5 series turbojet engines; 7.62mm Minigun in nose assembly; 8 x underwing stores.

    T-37B - Definitive production model numbering 577 examples; reinforced airframe; increased fuel stores; inflight refueling capable; 2 x General Electric J85-GE-17A series turbojet engines.

    OA-37B - A-37B converted to armed reconnaissance.

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