Background
The crew was conducting a local training flight that included aerial bombing attacks. After completing the exercise, they began their return to base.
Accident
During the night approach to the airbase, the crew encountered low visibility. The aircraft descended too low, struck trees, and crashed in flames on hilly, wooded terrain near Pernek, about 4 kilometers southeast of the airfield.
Aftermath
A post-crash fire consumed the aircraft, leaving it completely destroyed. All four crew members were killed. The deceased were identified as Lt Zbyňek Jeřábek, Lt František Bohdal, Lt Josef Novák, and Cpl Miroslav Bezděk.
Probable Cause
According to the official investigation, the probable cause was that the pilot continued the approach at an unsafe altitude for unknown reasons.