 For the next three months 30,000 shares were sold and this capital enabled the new company to overcome initial financial hurdles.On 17 June 1927, Aeroput presented themselves to Belgrade Commercial Court and from that day onwards, the Company for became a legal entity.The new Belgrade international airport was officially opened on 25 March 1927, with flights of a total of 25 fighter aircraft of type Dewoitine, and became the first civilian airport in the country.