Your age (and sometimes your height) governs the travelling you can do, from minus 12 weeks to 99 years old Sign up to Simon Calder’s free travel email for expert advice and money-saving discounts Get Simon Calder’s Travel email Get Simon Calder’s Travel email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice This is the definitive guide to the 50 ages (and six heights) of a traveller. Minus 12 weeks: The Civil Aviation