Approved first-aid kits required by FAR 121.309 must meet the following specifications and requirements:
Each first-aid kit must be dust and moisture proof, and contain only materials that either meet Federal Specification GG-K-391a, as revised, or are approved.
Required first-aid kits must be distributed as evenly as practicable throughout the aircraft and be readily accessible to the cabin flight attendants.
The minimum number of first-aid kits required is set forth as the following based on the no. of passenger seats: