A method and device for aiding the piloting of an aircraft while respecting a time of arrival constraint at a first waypoint during a phase of descent. The method includes calculating an instant of arrival of the aircraft at an intermediate waypoint, in such a way that an estimated latest time of arrival...http://www.google.ca/patents/US8150565?utm_source=gb-gplus-sharePatent US8150565 - Method and device for aiding the piloting of an aircraft to prepare a phase of descent