Slovakia

While cruising at an altitude of 3,000 meters, weather worsened and the aircraft went through a thunderstorm area. Due to turbulences, severe vibrations occurred on elevators and wings when control was lost. The aircraft dove into the ground and crashed in a field, killing all 21 occupants.
Crew:
Lt František Holman, pilot,
Lt Václav Havlík, copilot,
Lt Jaroslav Bureš,
Lt Jiří Filc,
Lt Antonín Havránek, radio operator,
Lt Karel Souček, flight engineer.
Passengers:
Lt Karel Filipovský,
Cpt Jan Zach,
Lt Emil Hulín,
Lt Jaroslav Šimek,
Lt Hosef Obst,
Cpt Václav Uhlíř,
Lt Otakar Kodyš,
Cpt Jan Hrubý,
Lt Stanislav Jurka,
Lt Jan Satoria,
Lt Ladislav Skřiček,
Maj Josef Florian,
Lt Josef Konečný,
Lt Michal Uohlav,
Lt Bohumil Bulla.

On the leg from Bratislava to Košice, the crew encountered poor weather conditions and was contacted by ATC and diverted to Poprad. Few minutes before its ETA in Poprad, while cruising in bad weather conditions at an altitude of 1,300 meters, the aircraft hit trees and crashed in a snow covered and wooded area located in the Tatra Mountain Range. Four passengers were injured and rescued while all 22 other occupants were killed.

The crew was performing a cargo flight from Prague to Bratislava with an intermediate stop in Brno. At 2242LT, the crew obtained the permission to descend to Bratislava via heading 225° to join the approach path for runway 23. At 2302LT, the pilot reported completing a last turn to join the glide when the airplane hit the ground about 10 km north of the airport, near Pezinok. The aircraft was destroyed by impact forces and a post crash fire and all four crew members were killed. The wreckage was found two days later only. At the time of the accident, the airplane was off course by 1,500 meters and the weather conditions were as follow: horizontal visibility 1,800 meters, broken at 80 meters and overcast at 300 meters with heavy rain falls and severe icing conditions.

The crew was engaged in a local training flight consisting of aerial bombing attacks. When the exercise was over, the crew returned to his base but encountered low visibility. While approaching the airbase by night, the airplane was too low and hit trees and crashed in flames on a hilly and wooded terrain located in Pernek, about 4 km southeast of the airfield. The aircraft was consumed by a post crash fire and all four crew members were killed.
Crew:
Lt Zbyňek Jeřábek,
Lt František Bohdal,
Lt Josef Novák,
Cpl Miroslav Bezděk.

On final approach to Košice Airport, the aircraft crash landed in a field and came to rest on a railway embankment. All 23 occupants were uninjured while the aircraft was damaged beyond repair.

Shortly after take off from Košice Airport, while climbing, the crew encountered an unexpected situation and was forced to attempt an emergency landing in an open field. The aircraft crash landed, lost its undercarriage and came to rest in flames. Both crew members were slightly injured while the aircraft was destroyed by a post crash fire.
Source: http://www.planes.cz/lite/fc47.php
Crew:
Karel Kopal, pilot,
Leoš Hřebečka, copilot.

The twin engine aircraft crashed in unknown circumstances in Kuchyňa, near the Malacky-Kuchyňa AFB, killing all three crew members.

While cruising at an altitude of some 2,580 meters, the aircraft hit the slope of Mt Gerlachovský (2,655 meters high) located in the Tatras mountain range. All 24 occupants were killed.

In unknown circumstances, the three engine aircraft crashed in the Tatra mountains, some 30 km northwest of Poprad. All four crew members were injured.

On a downwind approach to Bratislava-Ivanka-Milan Rastislav Štefánik Airport, the pilot realized he was too long and decided to initiate a go around procedure. The engines failed to provide sufficient power, causing the aircraft to stall and to collide with power cables and to crash. All eight occupants were injured.