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    Yakovlev Yak-18 (Max) Trainer Aircraft / Light Bomber (1946)

    Yakovlev Yak-18 (Max) Trainer Aircraft / Light Bomber (1946)

    The Soviet-era Yakovlev Yak-18 lived a long and storied operational life with fewer than 50 reportedly flying today.





    Staff Writer (Updated: 3/20/2014):

    During World War 2 (1939-1945), the Yakovlev UT-2 served as the standardized, primary aircraft trainer/fighter-trainer of Soviet airmen. The UT-2 was first flown in July of 1937 and ended production with 7,243 units with operators in Europe and Asia. From this, in May of 1945 with the war in Europe winding down, Alexander Yakovlev began design of a successor under the designation of Yak-18. First flight was quickly achieved and the aircraft was accepted into service in 1946, beginning a stellar production run that reached into 1956 and a service run that went much further than that. Operators proved plenty and ranged from Asia, Europe and Africa - mostly with Soviet-aligned nations and satellite states. Its simplicity allowed local licensed Chinese production under the designation CJ-5 by Nanchang.

    The Yak-18 utilized a conventional configuration with a front-mounted engine (driving a two-bladed propeller assembly), single-finned tail unit and low-set monoplane wings. The main wings were fitted ahead of midships. The two crew sat in tandem under a long-running canopy. The undercarriage of early forms was partially retractable, the main legs semi-recessed under the wings and the tail wheel fixed in place.

    Original production forms were designated simply as Yak-18. The Yak-18A utilized the Ivchenko AI-14 FR series engine of 260 horsepower and overtook production lines, becoming the definitive Yak-18 form. The Yak-18U was a limited-run model utilizing a retractable tricycle undercarriage. The Yak-18P ("Mouse") was a single-seat acrobatic platform, the Yak-18PM of similar scope though with retractable tricycle undercarriage and the Yak-18PS following suit but incorporating a retractable tailwheel. The sole foreign mark included the Nanchang CJ-5 of China and 379 aircraft of these were produced into 1958. China originally received the aircraft in 1950 as kits delivered from the Soviet Union for assembly before eventually turning to local factories for outright production of the design in the mid-1950s.

    While a trainer by design, the Yak-18 was pressed into service as a light bomber by North Korea during the Korean War (1950-1953). Changes to the airframe were minimal for bomb racks were simply added to the fuselage centerline. Due to their slow speed, these light bomber Yak-18s were utilized by the North Koreans in night sorties - and this with limited effect. The United Nations assigned the reporting name of "Max" to the series.

    Yak-18 numbers have increasingly dwindled over time, beginning to close the door on the storied Soviet-era design for good. Fewer than 50 make up the flyable stable today (2014).


     SPECIFICATIONS 


    Yakovlev Yak-18 (Max)
    Type: Trainer Aircraft / Light Bomber
    National Origin: Soviet Union [ VIEW ]
    Manufacturer(s): Yakovlev - Soviet Union [ VIEW ]
    Introduction: 1946
    Production Total: 1,200 [ VIEW ]

     OPERATORS 


    Afghanistan; Albania; Algeria; Austria; Bangladesh; Bulgaria; Cambodia; China; Czechoslovakia; East Germany; Egypt; Guinea; Hungary; Iraq; Laos; Mali; Mongolia; North Korea; Poland; Romania; Somalia; Soviet Union; Syria; Turkmenistan; Vietnam; Yemen; Zambia


     STRUCTURAL 


    Crew: 2
    Length: 27.40 feet (8.35 meters)
    Width: 34.78 feet (10.60 meters)
    Height: 10.99 feet (3.35 meters)
    Weight (Empty): 2,260 lb (1,025 kg)
    Weight (MTOW): 2,910 lb (1,320 kg)


     PERFORMANCE 


    Maximum Speed: 186 mph (300 kmh; 162 knots)
    Maximum Range: 435 miles (700 km)
    Service Ceiling: 16,601 feet (5,060 meters; 3.1 miles)
    Rate-of-Climb: 0 feet-per-minute (0 m/min)


     POWER 


    Powerplant: 1 x Ivchenko AI-14RF radial piston engine developing 300 horsepower.


     ARMAMENT / MISSION PAYLOAD 


    Hardpoints: 2
    Armament / Mission Payload:
    OPTIONAL:
    2 x bombs


     VARIANTS 


    Yak-18 - Initial Production Models

    Yak-18A - Definitive Production Model; fitted with Ivchenco AI-14 FR engine of 260 horsepower.

    Yak-18U - Limited-production model with retractable tricycle undercarriage.

    Yak-18P ("Mouse") - Single-seat acrobatic mount

    Yak-18PM - Single-seat acrobatic mount with retractable tricycle undercarriage.

    Yak-18PS - Acrobatic variant with retractable tailwheel.

    Nanchang CJ-5 - Chinese designation for license-produced versions; 379 examples produced.


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