Please enter ONLY the aircraft you will be flying in the Navigation Event. Selection of planned TAS and Prep Time is required to create an accurate heat sheet and therefore is FINAL and cannot be adjusted. Aircraft N-numbers can be changed by notifying the Chief Judge up until Navigation Event day. If you intend to have 3 contestants, you MUST have at least 2 aircraft. The aircraft chosen to fly in round 1 must fly in round 3. NO EXCEPTIONS!