To start, I would begin at a PLB. Check out ETS article:
http://equippedtosurvive.com/shot_show_2007_gear.htm#microfix.Aeromedix has a nice Aviator Survival Pack at:
https://www.aeromedix.com/product-exec/p...ks_#productINFO if you are os inclined. Its comprehensive and fits into a backpack.
_________________________
“Always remember the 6 P’s”
(Prior Preparation Prevents [censored] Poor Performance)