Plain English Meaning
The gear on board for dealing with an emergency in the air, and the supplies needed to stay alive on the ground after an unplanned landing in a remote area.
Full Definition
The items carried aboard an aircraft to handle in-flight emergencies and to support the occupants if a forced landing or off-airport landing leaves them stranded. Emergency equipment generally addresses immediate hazards (fire extinguishers, first aid kits, emergency locator transmitters, life vests, life rafts, oxygen). Survival gear addresses sustaining life until rescue (signaling devices, water, rations, , suitable clothing for the , fire-starting tools).