The Heavy Transport Logistics Craft (HTLC) is used as a work horse hauler for goods of various kinds. Its detachable cargo hold can be retrofitted for various kinds of goods, refrigerated, oxygenated etc. The fore and aft Engines have vertical take off and landing capabilities and can also be mechanically retracted while flying through tighter spaces or landing in constrained platforms.
These are a series of rougher sketches that I though of uploading. They don't have the polish of the other visuals but are meant for conveying the design of the vehicles instead...