Maybe a refit of the equipment as maintenance falls due, to include a LED strobe, 121.5 mini transmitter, sensible attachment for whistles and a spray hood.
Kharon, this is starting to sound like a survival vest. The price for standard RFDs or EADs TSO'd lifejacket is about $200 - give or take.
Imagine the cost for implementation on a 380 if additional equipment was added.