COMDTINST 3150.1E — Diving Program

COMDTINST 3150.1E governs oversight and procedures for Coast Guard diving operations, training, equipment, certification, and safety.

Search COMDTINST 3150.1E

  • Publication number: COMDTINST 3150.1E
  • Title: DIVING PROGRAM
  • Date: 9/22/2025
  • Proponent: CG-721

View COMDTINST 3150.1E on armypubs.army.mil

It covers diving units, operational readiness, certified systems, diver qualification, physical fitness, equipment maintenance, and diving resources. It requires recurring training, fitness testing, approved equipment configurations, system certification, and specified notifications and records.

Applies to: The scope of this Instruction extends to all operations, training, and administrative functions of the Coast Guard Diving Program.

Topics covered

  • Coast Guard diving operations
  • Recompression chambers
  • Diver certification and qualification
  • Physical fitness testing
  • Diving equipment maintenance
  • Diving casualty drills
  • Commercial diving resources

Questions and answers

What is the maximum age for attending DV “A” school?

The maximum age for attending DV “A” school is 35 years. (paragraph 1)

How often must certified systems be re-certified?

Certified systems must be re-certified at a period not to exceed three years from the date of last certification. (paragraph 4)

What happens if a diver fails the Physical Fitness Test?

The diver must be placed into a non-diving status. (paragraph 2)

How often must divers pass the Physical Fitness Test?

All divers must pass the Physical Fitness Test (PFT) contained in Form CG-3150C semi-annually. (paragraph 1)

Can Coast Guard diving equipment be used for recreational diving?

Coast Guard diving equipment is for official use only and must not be used for recreational diving activities. (paragraph 6)

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