This Small plastic bottle could be the ultimate survival locational aid.
Sea Marker Dye 20gram Bottle
Switlik U-Zip-It Anti-Exposure Dry-Suit – Red Baron ALSE
Personal Distress Signal - Pains Wessex - Marine Signal & Rescue
Parachute Red Rocket MK8A
Personal Distress Signal - Pains Wessex - Marine Signal & Rescue
Miniflare No1 Mk 3 - Wescom Defence
Survival Equipment – Red Baron ALSE
Day and Night Mk8 Handheld Distress Signal
Pains Wessex Personal Distress Signals Miniflare Mk8