Frankfurt Hahn-based Air Cargo Germany suspended all operations April 18.

CEO Michael Schaecher said in a statement on the company website: “The suddenness of this interruption is beyond our control and was neither expected nor foreseen in any way. Our shareholders are supporting in any way possible and you can be assured that we work around the clock to find sustainable solutions to recommence our services.” He added the company remains confident operations can be resumed in the next few days.

No further details were immediately available.

Air Cargo Germany operates a fleet of four Boeing 747-400ERF/SFs. Russian cargo group Volga-Dnepr purchased 49% of the company last year.