One of the Antonov An-124 outsize freighters operated by Russia's Volga-Dnepr has badly damaged a Yakovlev Yak-42 in a taxiing collision.
The accident occurred at Kazan airport, the management of which notified the local division of the emergencies ministry on 26 February.
While taxiing after a flight from Ulyanovsk, the An-124 - registered RA-82042 - struck the Yak-42's cockpit with its left wing-tip.
The cockpit roof of the trijet, branded with UTair colours but also featuring Tulpar Air titles, was sheared away from the forward windows.
Russia's emergencies ministry says no-one was injured during the accident, and that authorities are examining the condition of both aircraft. It states that the Yak-42 had been parked at a maintenance stand at the time.