A New Jersey appeals court has upheld an award of $329,000 in attorney fees for a plaintiff whose 2011 shareholder oppression case against her siblings had fixed “considerable mismanagement” at the family’s airport-operation business.

A three-judge panel of the Superior Court’s Appellate Division on Thursday affirmed the award to Suzanne Solberg Nagle and her McCarter & English attorneys in a long-running dispute involving family companies that own and operate Solberg-Hunterdon Airport in Readington Township.