5m a.k.a. Sibaviatrans was an airline based in Krasnoyarsk, Russia. It operated scheduled and charter passenger and cargo flights from various locations around Russia. It also provided helicopter services. It was a member of AiRUnion alliance.
- official website: www.siat.ru
5m a.k.a. Hi Fly Malta is a charter airline based in Malta at Malta Luqa International. It is a subsidiary of Hi Fly of Portugal. It started operation in early 2013 with one ex-Virgin Atlantic Airbus A340-600 airliners.