Navigation routines for takeoff and landing Basic procedures for rotorcraft and fixed-wing: - Takeoff rotorcraft: from current location, can move a WP to takeoff point or not - Takeoff fixedwing: in direction of a WP, flight plan QFU, or specified location - Landing rotorcraft: land at current location, to a specified WP or location, with a glide or not - Landing fixedwing: land with a glide between two WPs or from a direction/distance, or land with a circle Functions can be called from flight plan or from the mission module if loaded.

@navigation @mission