predetermined full inflate time in a simplified embodiment according to the invention the airbag system includes in addition to the airbag s an air movement device such as a fan an electric motor a power source including a battery for example and an on off switch whereby when the wearer becomes aware of an avalanche the switch is manipulated thereby powering the motor which turns the fan until the power source is depleted or until the wearer were to move the switch to the off position in an enhanced embodiment e g the airbag system of the invention can include an air pressure sensor to monitor pressure within the airbag whereby the motor would be signalled to cycle off power to the fan upon attaining a predetermined pressure in fact each of the aforementioned time cycles for inflation i e five seconds or 10 15 seconds e g and the pressure sensed power control for inflation could be used separately in respective embodiments or in combination in the latter case e g the pressure sensing could be used as a cut off for a time dependent system whereby power would be interrupted before the end of the time duration if pressure reaches a set level in any case the invention encompasses the alternate cycling of power to the fan i e on and off after an avalanche but prior to recovery either as a function of a set time interval or as a function of an airbag pressure.