Additional Protocol I
Article 42 of the 1977 Additional Protocol I provides:
1. No person parachuting from an aircraft in distress shall be made the object of attack during his descent.
2. Upon reaching the ground in territory controlled by an adverse Party, a person who has parachuted from an aircraft in distress shall be given an opportunity to surrender before being made the object of attack, unless it is apparent that he is engaging in a hostile act.
3. Airborne troops are not protected by this Article.