Aviators Market has two sides; the General Aviation side is for Piston Aircraft, some Jets, Engines, Parts & Products, Avionics, etc., and the Corporate side is for Jet/Turbine Aircraft, Charters, etc. You can view and post ads for Services and Real Estate on either side of the Market.
When first visiting Aviators Market you will be asked to choose a market using the corresponding SELECT button under the desired market.
Later, if you would like to visit the other market, select the CORPORATE button (or GENERAL if you're already in the Corporate Market) in the red header section at the top right of the page.
Additionally, by selecting the general menu button at the top left of the page you can move to another market with the Switch to Corporate (or General) button.