SandyRobinson
Contributor
.."Then the instructor pulled Monday’s emergency cord, putting air in her buoyancy vest and sending her to the surface."
What in the heck is this? ...
Back in the late 70s and early 80s, many BCs had an attached CO cartridge. The purpose was to inflate the BC in the event of an OOA emergency (sounds silly these days). Inflation was done by pulling a short cord which caused a pin to penetrate the cartridge and inflating the BC. I am not sure when they disappeared. My first BC was a USD Sea Otter and the cartridge was under a pocket on the left(?) front of the jacket.
I did not dive from 1991 to 2000 or so. When I started again, I took the BC to a local dive shop to see if I could still use it. They had a good laugh upon seeing it and the cartridge.