Antique Airplane Association of Colorado Club Calendar Below you will find dates for meetings, events and other club or aviation related activities. To have an event listed on the calendar click the contact tab above and fill out the event report form. If approved, we will add your event to our calendar. The tabs at the top of the calendar which will allow you to search other dates or to print the page you want to remember. Note: If you get an error message that the page cannot be displayed, click the back button on your browser one time and then give it a few seconds to load. It’s a program bug that I am working on.