“We worked hard to be able to make this offer, with help not only from experts but also supportive comments and suggestions from employees, passengers and business partners of Air Berlin,” the Bavarian airline tycoon wrote in a Facebook post late on Sunday.
Nuremberg-based Woehrl first rose to prominence when he bought airline Deutsche BA from British Airways for a symbolic €1 in 2003, later selling it to Air Berlin.
On Sunday his company Intro offered €50 million immediately for the stricken airline, with up to €450 million of further payments “depending on performance,” he said.
Intro wants “Air Berlin as a whole” rather than buying up chunks, Woehrl emphasized, urging other potential buyers nosing around the airline such as Lufthansa, Condor, TUI, Germania and Austrian former Formula One driver Niki Lauda to join his offer.
But he added that the firm could if necessary buy up all of Air Berlin’s assets, including 140 leased aircraft and prized landing and takeoff slots at German airports.
The German government has argued that competition rules prevent any single airline taking over Air Berlin, the country’s second-largest carrier after Lufthansa.
After losing the lifeline of regular cash infusions from Gulf carrier Etihad in June, Air Berlin filed for insolvency on Aug. 15.
The firm has given potential buyers until Sept. 15 to make offers.
In the meantime, the airline has been kept aloft by a hastily agreed €150 million loan from the German government.