Related Rule
France
Practice Relating to Rule 48. Attacks against Persons Parachuting from an Aircraft in Distress
France’s Disciplinary Regulations (1975), as amended, states that, under international conventions, it is prohibited “to fire at the crew and passengers of civilian or military aircraft parachuting from an aircraft in distress, except when they participate in an airborne operation”. 
France, Règlement de Discipline Générale dans les Armées, Decree No. 75-675 of 28 July 1975, replacing Decree No. 66-749, completed by Decree of 11 October 1978, implemented by Instruction No. 52000/DEF/C/5 of 10 December 1979, and modified by Decree of 12 July 1982, Ministère de la Défense, Etat-Major de l’Armée de Terre, Bureau Emploi, Article 9 bis (2).
France’s LOAC Teaching Note (2000) states:
It is prohibited to fire at a person parachuting after having evacuated an aircraft in distress until he lands, unless he uses his weapon. It is, however, allowed to fire at airborne troops still in the air or at all combatants who use their parachute as a means of combat. 
France, Fiche didactique relative au droit des conflits armés, Directive of the Ministry of Defence, 4 January 2000, annexed to the Directive No. 147 of the Ministry of Defence of 4 January 2000, p. 3.
France’s LOAC Manual (2001) provides: “It is … prohibited to attack a person parachuting from an aircraft in distress … This provision, however, does not apply to airborne troops when they parachute.” 
France, Manuel de droit des conflits armés, Ministère de la Défense, Direction des Affaires Juridiques, Sous-Direction du droit international humanitaire et du droit européen, Bureau du droit des conflits armés, 2001, p. 104; see also p. 105.
The manual adds that a person parachuting from an aircraft in distress, “when reaching the ground, … may be captured or surrender and thus benefits from the status of prisoner of war. However, if [the person] resumes combat, he does not benefit from any particular protection, and the enemy may again use arms against him.” 
France, Manuel de droit des conflits armés, Ministère de la Défense, Direction des Affaires Juridiques, Sous-Direction du droit international humanitaire et du droit européen, Bureau du droit des conflits armés, 2001, p. 105.