Airlines Serving Manitowoc in August 1988

GREAT LAKES AVIATION (ZK)
Aircraft Operated:
Beech 99
Cities Served:
Chicago O’Hare, Manistee

GREAT LAKES AVIATION (OPERATED BY ALLIANCE AIRLINES) (ZK/3A)
Aircraft Operated:
Cessna Light Aircraft
Cities Served:
Chicago O’Hare, Menominee, Sturgeon Bay