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Encyclopedia - Aero L-39 Albatross

The first L-39 took to the skies on 4 November 1968, piloted by Rudolf Duchon. It is a low-wing monoplane of all-metal construction. It has hydraulically operated landing gear, and double-slotted flaps. Exceptional all-round view is available from both cockpits, and dual controls are standard. The rear seat is removed in the L-39ZO.

The basic L-39C entered service in 1974 as an elementary/advanced jet trainer. The L-39ZA is a modified version equipped for weapons training. The L-39ZO is a single-seat variant for use in light close-support and ground attack. A total of 2,244 L-39's were delivered.

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Aero L-39C Albatross

General

Crew : Two
Country of Origin : Czechoslovakia

Powerplant

Number Of Engines : One
Powerplant type : Ivchenko AI-25TL non-afterburning turbofan
Max Power Rating : 1,720kg (3,792lb)

Dimensions

Length : 12.13m (39ft 9.6in)
Height : 4.77m (15ft 7.8in)
Wingspan : 9.46m (31ft 0.4in)
Wing Area : 18.80m2 (202.37sq ft)
Tailplane Span : 4.40m (14ft 5.2in)

Weights

Empty Weight : 3,459kg (7,626lb)
Max Take-off Weight : 4,700kg (10,632lb)
Internal fuel load : 980kg (2,161lb)
Maximum external load : 500kg (1,102lb)

Landing Gear

Type : Retractable tricycle type with a single wheel on each unit
Wheelbase : 4.39m (14ft 4.8in)
Wheel Track : 2.44m (8ft 0.1in)

Performance

Max Speed At Sea Level : 378kt (700km/h; 435mph)
Max Speed At Cruising Level : 405kt (750km/h; 466mph) @ 16,405ft (5,000m)
Initial Climb Rate : 4,331ft (1,320m) per minute
Service Ceiling : 37,730ft (11,500m)
Minimum Take-off Distance : 480m (1,575ft)
g Limits : +8/-4


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