(Tulsa, OK) -- There's plenty for aviation buffs to do this 4th of July weekend.  On Friday evening, there will be two parades of flight over the Arkansas River between 11th Street and 71st Street.  The first will feature vintage civilian aircraft and will begin at 6:00 PM.  The second features vinage military aircraft and will start at 8:15 PM.  On Saturday, Jones-Riverside Airport will have an open house in honor of its 50th anniversary.  Tours of the airport will be available.  The open house runs from 9:00 AM to 1:00 PM.