Harbor Diversified, Inc. is a non-operating holding company that is the parent of a consolidated group of subsidiaries, including AWAC Aviation, Inc. (AWAC), which is the sole member of Air Wisconsin Airlines LLC (Air Wisconsin), which is a regional air carrier. Its primary business consists of serving American Airlines, Inc. (American) and its customers through Air Wisconsin's provision of regional airline services. Air Wisconsin owns around 63 CRJ-200 regional jets, each of which is configured for single class seating. The CRJ-200 regional jet offers many of the capabilities and amenities of larger commercial jet aircraft, including flight attendant service and a stand-up cabin. It is also the direct parent of three other subsidiaries: Lotus Aviation Leasing, LLC, which leases flight equipment to Air Wisconsin, Air Wisconsin Funding LLC, which provides flight equipment financing to Air Wisconsin, and Harbor Therapeutics, Inc., which is a non-operating entity with no material assets.