Free immersion

Free Immersion (FIM) is a discipline of Freediving where the diver descends and ascends only by pulling on the rope, without the use of fins or any propulsion device. It is one of the eight recognized disciplines of the AIDA International (Association Internationale pour le Développement de l'Apnée).

History

The history of Free Immersion is closely tied to the history of Freediving. The practice of diving without the aid of breathing apparatus can be traced back thousands of years, with evidence of freediving for food and pearls found in ancient cultures around the world. The modern sport of freediving, including the discipline of Free Immersion, has its roots in the mid-20th century, with the establishment of various freediving organizations and competitions.

Technique

In Free Immersion, the diver descends by pulling on a rope, without the use of fins or any other propulsion device. The diver can choose to wear a wetsuit and a weight belt to help with buoyancy. The diver also uses a noseclip to equalize pressure in the ears and sinuses. The ascent is also achieved by pulling on the rope.

Training and Safety

Training for Free Immersion involves improving breath-hold ability, physical strength, and technique. Divers must also learn to manage the risks associated with freediving, such as hypoxia, barotrauma, and decompression sickness. Safety measures include diving with a buddy, using a dive line, and following a conservative dive plan.

Competitions

Free Immersion is one of the disciplines included in competitive freediving. Competitions are governed by rules set by organizations such as AIDA International and the International Freediving Federation (IFF). Divers are judged on the depth reached, the time of the dive, and the technique used.

Records

The world record for Free Immersion is held by Alexey Molchanov of Russia, who reached a depth of 130 meters in 2018.

See Also

• Constant Weight Apnea
• Variable Weight Apnea
• No-Limits Apnea