Aero L-29 Delfin / Mayan History

The Czech-designed and produced Aero L-29 Delfin series (translated as "Dolphin"; NATO named "Maya") was a Cold War jet trainer heavily used by the Soviet Union and its satellite states. The two-seater was traveling at more than 400 mph and reached an altitude of more than 36,000 feet.

L-29s were mass-produced until 1974, and many of them are still in service with weaker military units around the world.

The single-engine Performer was built from two prototypes, designated the XL-29 - one with the British Bristol Sidley Viper turbojet and the other with the indigenous M 701 turbojet. Further development saw three-way competition with the Yak-30 design and the PZL Mielec TS-11 Iskra, with the L-29 coming out on top (however, Poland will continue to use the TS-11 trainer).

From there, the L-29 system will be used as the first jet trainer for the countries of the Soviet bloc.

With two available underwing hardpoints, a light fighter capable of carrying gun pods, dropping bombs and missiles was developed. Specialized stunt performers were also developed from the existing L-29 base airframe, with a total production of more than 3,600 of the entire L-29 family.

Specification

Basic

Year:
1963
Status:
Active Limited Service
Staff:
2

Production

[3,600 units]:
Aero Vodochody - Czechoslovakia

Roles

- Education

Dimensions

Length:

10.81m

Width:

10.29m

Height:

10.17 ft (3.1 m)

Weight

Curb Weight:

2,365 kg

MTOW:

3,540 kg

(difference: +2,590 pt)

Performance

1 x Motorlet M 701c 500 turbojet with 1,960 lbs of thrust.

Performance

Maximum Speed:

407 mph (655 km/h; 354 ??knots)

Service Limit:

36,089 ft (11,000 m; 6.84 mi)

Maximum range:

398 miles (640 km; 346 nmi)

Rate of climb:

840 m/min

Armor

Mission-specific ammunition may include (limited to two external underwing hardpoints):

2 x 7.62mm shells

2 x 220lb drop bombs

8 x High Explosive Light Air-to-Surface Missiles

Changes

XL-29 - Prototype series; first turbojet prototype Bristol Sidley Viper; second prototype with M 701 jet engine.

L-29 - Name of the Basic Series; Basic Trainer.

L-29A - Dolphin "Acrobat" - Acrobat.

L-29R - dedicated light fighter

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