MINNEAPOLIS, MINN. – Memphis-based Pinnacle Airlines Corp will be moving Mesaba Aviation, Inc. from its headquarters in Eagan, Minnesota to Memphis, Tenn., as part of its efforts to consolidate its three distinct regional air carriers into two brand names. Pinnacle Corp. bought Mesaba from Delta Air Lines Inc. for $62 million in 2010. Mesaba joined Pinnacle Airlines Inc. and Colgan Air Inc. under the Pinnacle Corp. umbrella. The Minneapolis Star Tribune reported the Mesaba closing in Eagan will mean the loss of 193 jobs out of a total of 800 people in which Mesaba employs in the state of Minnesota.