On 03.05.1968 there was an air of disaster, in addition to large material damage - on the Mig-15bisR 3831 killed the lieutenant. Ignatius Fabián. The Pilot in the course of a night cross-country flight on the route Turnov - Moravská Třebová - namest nad Oslavou - X - Pension - Young found that he from the one under wing tanks with a volume of 600 l nepřečerpalo fuel. Therefore, the interrupted years, reported the defect and asked the management flying about consent with such an imbalanced aircraft to land. At for but at a height of about 5 m unbalanced the aircraft turned over on his back, ascended to about 10 m, lost speed and the wing slid to the ground. After impact exploded. Burning debris destroyed two more aircraft 3022 and 3267 on the static display. Fuel nepřečerpalo because of the wrong imposition of the seal on the cork to baku - his whole third was pushed out of the mating surface and in baku so he couldn't rise to the pressure required to overspending fuel.
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