This Quick Guide for Aviation First Aid is designed to equip aviation professionals, including cabin crew, pilots, and ground staff, with essential knowledge and skills to provide immediate and effective medical care during in-flight emergencies. Adhering to international aviation standards set by ICAO, IATA, EASA, and FAA, this guide covers key first aid principles, common medical emergencies, and the use of onboard medical equipment. The quick guide does not intend to replace any national or international guidelines for the treatment of any disease; rather, it serves as a set of procedures for quick emergency response before a casualty is taken to advanced care. It serves as a concise reference to ensure safety, well-being, and confidence in handling medical situations, ultimately supporting safe flight operations and passenger care.