Dive Training

Skill 14, Controlled Emergency Swimming Ascent (CESA)

How to complete and perform the Controlled Emergency Swimming Ascent

Horizontal version (pool):

  1. In water to deep in which to stand establish neutral buoyancy by the Fin Pivot method
  2. Your instructor will place their right arm under your left arm/shoulder and hold your regulator in position with his right hand, they will also hold onto your shoulder or BCD with their left hand.
  3. Take a deep breath when signaled to by your instructor
  4. Give the “Out of Air” sign and with both arms in front of you in ‘Superman” position hold your deflator hose in your left hand swim across the pool breathing out continually and making an Ahhh sound for at least 9m/30ft

Vertical Skill (Open Water Dive):

  1. From a depth of at least 20 ft, let all the air out of your BCD
  2. Your instructor will be facing you, holding the regulator in your mouth with their right hand and with their left hand over your shoulder holding a line to the surface
  3. Take a deep breath when signaled to by your instructor
  4. Give the “Out of Air” sign and with both arms in front of you in ‘Superman” position hold your deflator hose in your left hand swim to the surface breathing out continually and making an Ahhh sound
  5. At the surface, orally inflate your BCD

Video provided by our friends at www.coconuttreedivers.com & www.goprocaribbean.com

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