Robb Report’s Private Aviation Forum is where the members of our Private Aviation Advisory Board discuss the hot-button issues that directly affect jet owners, fractional-share holders, and fliers who belong to membership programs, have jet cards, or use on-demand charter services. Topics of their recent articles include a list of planning and etiquette tips to consider when flying privately, how to know when it is time to transition from flight services to whole-aircraft ownership, and some horror stories tha…