Mokulele Airlines opened its new corporate headquarters and maintenance facility yesterday at Honolulu International Airport, a day after Indianapolis-based Republic Airways increased its majority stake in the local carrier.

Mokulele and Republic officials held a blessing for the office and 13,000-square-foot hangar on Kaulele Place off Lagoon Drive on the south side of Honolulu International Airport. The 4,400-square-foot office building, which includes executive offices and reservation operations, becomes the new headquarters for the airline, which previously was based in Kona.

Meanwhile, Republic officials said they have invested an additional $7.5 million in Mokulele, raising Republic's stake to 89 percent in the local carrier.

Republic and Mokulele formed a partnership last fall, with Republic providing four Embraer 170 jets and crew, along with an $8 million loan. In March, Republic took a 50 percent ownership stake in Mokulele and replaced its chief executive officer after Mokulele fell behind on loan payments. Republic now has nearly $20 million invested in Mokulele, said Bryan Bedford, chairman, president and CEO of Republic, on an earnings conference call Thursday.

Separately, Republic yesterday said it has completed its acquisition of privately held Midwest Airlines for $31 million in cash and debt. Republic officials said Midwest will continue to operate as a branded carrier.

Republic Airways Holdings also has made a bid to buy the parent of Frontier Airlines, which is operating under bankruptcy protection. While a court has approved that deal, Southwest Airlines recently made a rival bid for Frontier. An auction is expected to be held in August.