The L-29 Delfin jets, originally designed in the late 1950s (the first flight of the type dates back to Apr. 5, 1959), have undergone significant modifications to serve modern testing needs.

In a major evaluation of what the Pentagon has positioned as the future of air combat, Lockheed Martin’s secretive Skunk Works unit has simulated an air-to-air fighter engagement that saw a ...

the L-29 Delfin. The L-39, in his estimation, is “the best jet trainer ever made” for several reasons, but essentially because it “underperforms at the right times and overperforms at the ...

The 8-foot-long vehicle was dropped from an Aero L-29 Delfín aircraft at 12,000 feet and flew under the power of a hydrogen peroxide monopropellant engine. This engine was not fired at full ...

The Aero L-29 Delfín crashed around 3:45 p.m. local time, the FAA said. One person is dead following a single-engine plane crash behind a residential area during the Reno Air Races in Nevada on ...