If you carry a cell phone, flyin' or not, you can put one star (*) or two stars(**) in front of the names of your Emergency Contact people, such as immediate family members, who may now be scattered throughout your phone's Contact List. The STARs will SORT these names right to the top of your Contact List.
MARK the phone, inside and out, with labels (even hand-written, for now) that say *I*C*E*. First responders will (or should) know that means "In Case of Emergency", and they will be able to contact your own most important people, by calling the top names (starred) on your Contact List.
You may find that another symbol works better than a (*) for this idea; go with whatever symbol works best, on your phone.