Aviation accident on the Leopoldsberg in 1955 - Flugunfall auf dem Leopoldsberg von 1955
The plane took off from Belgrade Airport at 1:30 p.m. and the route was to lead to London with a scheduled stop in Vienna . There were 25 passengers and four crew members on board. The pilot in charge on this flight was Romeo Adun, his co-pilot Rista Kostic.
The approach to Vienna Airport was planned on runway 12/30 with an approach over the south, along the Danube upstream, at 3:30 p.m. Due to the dense fog prevailing in Vienna, an extended holding pattern was flown. Due to the weather, only one more plane decided to land in Schwechat. The other machines flew to alternate airports, e.g. B. the airport Linz-Hörsching . The aircraft made radio contact with the tower in Vienna at 3:25 p.m. and requested permission to land. The tower issued this and gave instructions to stay at 3,500 feet (1,000 m) and when reaching the landing course transmitterturn onto the runway course and begin the descent. At 3:30 p.m., the pilots turned onto the runway course of 113 ° via a left turn and received landing permission after renewed radio contact. The landing gear and landing flaps were then extended and the descent began.
At a height of almost 400 meters, the machine touched the treetops of the 425 m high Leopoldberg , whereupon the pilots recognized the error and tried to steer the machine upwards. Eyewitnesses reported the impact at 3:42 p.m. near the Josefinenhütte on Vienna's Höhenstrasse .
The plane broke into two parts, with the front part completely destroyed. The captain and six other occupants died in the impact, 17 others were injured. The copilot was thrown from the cockpit and survived the accident, seriously injured. Six people survived the accident unharmed and were able to leave the wreck independently. 
The Convair 340-58 with the serial number 178 had been in use at JAT since 1954. JAT received two more CV-340s in the same year, one of which had an accident on December 22, 1956 while approaching Munich-Riem Airport near Grub and the other on February 4, 1961 in Titograd .
Cause of accident
The accident was investigated by the Federal Office for Civil Aviation in Vienna. The Aircraft Accident Commission determined that the accident was due to an arc drawn too far before landing, with an associated loss of orientation and the resulting misinterpretation of the flight altitude. The pilots flew eight minutes upstream along the Danube, ended up north of the Kahlenberg and were thus further north of their assumed position. When turning on the landing course transmitter in the extension of the runway, the landing approach was started and flown directly towards the mountainside. The survivors reported that the pilots pulled up the plane shortly before the collision and thus probably prevented even greater loss of life.
The wreck was transported from the site of the accident three days later and, after the investigation by the authorities, was bought and disposed of by a scrap dealer from Vienna. On April 21, 1956, the Austrian Tourist Club erected a memorial stone flanked by two cypress trees at the crash site .