All (or almost all) EMS helicopters carry two Thomas Packs chock full of medical kit....close on to 100 pounds weight probably....and in the vast majority of crashes it does no use at all.:uhoh:

Just how much of a first aid kit does one really need in case of a serious accident? I would submit a few sticking plasters, a bit of triple anti-biotic cream and a cloth arm sling is going to fall short of the need.

First Aid kits
 

All First Aid kits will have little use after a serious crash and the only thing that will save you is a Trauma Surgeon at a major hospital.

The availability of ELT's/Sat Phones post incident will be far more effective than a few band aids and pressure dressings.

Helimedic

whats in your first aid kit
 

for minor cuts , dog bites, cat scratches, or any injury that one thinks realy needs a stitch or two SUPERGLOO