Related Rule
Practice Relating to Rule 29. Medical Transports
Section B. Respect for and protection of medical aircraft
Zimbabwe’s Code of Conduct for Combatants (1993) states: “Respect … medical aircrafts marked with Red Cross/Red Crescent/Red Crystal emblems.” 
Zimbabwe, Code of Conduct for Combatants, Joint publication of the Zimbabwe Defence Forces and the International Committee of the Red Cross Regional Delegation in Harare, 1993, p. 7.