Wikipedia
Dobrolyot
Dobrolyot, or sometimes Dobrolet, is an initialism for (The Russian Society of Voluntary Air Fleet), an early Soviet Union air transport organisation, which was formed in 1923 and existed throughout the remainder of the 1920s. It was formed in imitation of the Russian Merchant Navy Volunteer Fleet ( Dobroflot), which had previously been formed back in 1878.
Dobrolyot (disambiguation)