1-16. During flight to the debarkation point, the pilot informs the troop commander of the aircraft’s location and any changes in the infiltration plan. All personnel must know their relative position along the route in the event of a bail out, an emergency abort, or enemy action. As the aircraft nears the debarkation point, the pilot provides preplanned time warnings for final personnel and equipment preparations. The infiltrating detachments arrive at the debarkation point by parachute operations, helocasting, or water landing.