Former Navy Seal, Clint Emerson, has written a book about 100 vital skills learned while serving in the elite unit. He believes that, amongst other things, drowning is one horrific fate one can avoid, even if their hands and feet are bound.
In the book, Emerson describes the ways you can avoid a grisly fate by staying calm and utilizing specific swimming patterns.
"When an operative is captured in hostile territory, the odds of survival are low," he begins.
"Instead of being taken to trial, he will likely simply be made to “disappear” — which is why operatives practice escaping while wearing undefeatable restraints on hands and feet, both in water and on land.
Tied up, thrown into open waters, and left to drown to death, the well-trained operative still has recourse to a few skills that can help extend his life until he is found or reaches solid ground.
When it comes to self-preservation in water, the key to survival is breath control. With the lungs full of air, the human body is buoyant — so deep breaths and quick exhales are key.
Buoyancy in freshwater is more challenging but still achievable. Panicking, which can lead to hyperventilation, is the number-one enemy to survival.
Restraints and body positioning may make breathing a challenge, but repositioning is always within the Nomad’s grasp. In shallow waters, use a sinking and bouncing approach (see diagram below) to travel toward shore, ricocheting off the seabed or lake floor up to the surface for an inhale.
When facing down, whether floating in place or using a backward kicking motion to swim to shore, the operative should arch his back in order to raise his head above water."
In rough waters, he writes, things are a bit different.
"In rough seas, this may not give him enough clearance to get his head out of water. Instead, a full body rotation will allow him to take a deep breath and then continue travelling forward."
Though terrifying, the ability to get yourself out of a drowning situation is incredibly important. Thanks to Emerson for making this info available to the public. You can purchase his book here.