The utility model belongs to the technical field of
aviation life support, and particularly relates to an aircraft unexpected overload
head and neck protection system which comprises a multifunctional
vest, a quick dismounting pocket, an air inlet hose and a connector, an air bag inflation module, an air bag inflation hose and a connector, a
head and neck supporting air bag, a power supply cable and a plug. The multifunctional
vest is worn on a
pilot and is used for hanging and fixing the quick dismounting pocket, the air bag inflation module is installed and fixed in the quick dismounting pocket, the air inlet hose and the input end of the connector are connected with an on-board
pilot equipment connecting plate, and an environment
control system air source is conveyed to the air bag inflation module. The input end of the air bag inflation hose and connector is connected to an outlet of the air bag inflation module, the output end of the air bag inflation hose and connector is connected to an inlet of the
head and neck supporting air bag, and air adjusted by the air bag inflation module is conveyed to the head and neck supporting air bag. The input ends of the power supply cable and the plug are connected with an on-board
pilot equipment connecting plate, and the output ends are connected to the air bag inflation module.