Kerosene in the air, awesome engine sound in the ears and my heart pounded wildly. A Yakovlev YAK-40 made me very enthusiastic. The Russian / Soviet aircraft was developed in the 1960s. The Yakovlev YAK-40 (OM-BYL) is owned by the Government of the Slovak Republic for VIP-transport. After a short visit to Berne the aircraft took off at Airport Bern-Belp in Switzerland.
The trijet is powered with three relatively small Ivchenko AI-25 turbofans engines with 14.7 kN (3,300 lbf) of thrust each. The climb rate is painstakingly slow and can be seen in the video. Yet the spectacular view of the Swiss Alps can be enjoyed much longer. The YAK-40 left a characteristic trail of black smoke behind it. The impressive engine sound lies along the upper limit. The cruising speed is 510 km/h at 6,000 m (20,000 ft).