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David Hayes
Service Technician
Technical Instructor

First Dive: 1992 - San Carlos, MexicoDavid Hayes, El Mar Diving Centers Service Technician and Technical Instructor on the chain doing Decompression after Technical Dive.


  • ANDI Gas Blender
  • ANDI Nitrox Service Technician
  • TDI Advanced Gas Blender
  • TDI Advanced Nitrox Instructor
  • TDI Staged Decompression Instructor
  • TDI Extended Range Instructor
  • TDI Advanced Wreck Instructor
  • SDI Solo Diver Instructor
  • TDI SCR Rebreather (Ray/Dolphin) Instructor
  • TDI Trimix Diver
  • PSI Tank Inspector
  • DOT Inspector-H120
  • Hydro-Test Machine Operator
  • TDI KISS Rebreather Air Diluent Diver
  • IANTD Rebreather Trimix Diver
  • IANTD Rebreather Advanced Trimix Diver
  • SSI Drysuit Instructor
  • SSI Deep Diver Instructor
  • SSI Nitrox Instructor
  • SSI Advanced Nitrox Instructor
  • SSI Extended Range Instructor

Diving / TravelsDavid Hayes, El Mar Diving Centers Service Technician and Technical Instructor Getting into the UB88.

  • San Carlos Mexico
  • Honduras
  • Roatan
  • Costa Rica
  • Fiji
  • California
  • Cozumel
  • Truk(Chuuk) Lagoon
  • Cabo Pulmo
  • Curacao
  • B-29 Bomber (Lake Mead)
  • Lake Mead
  • Atlantic Wrecks
  • Andrea Doria
  • San Clemente Trimix Wrecks
  • St. Lawrence Seaway Wrecks

Authorized Service Technician: Aeris, Apex, Aqualung / U.S. Diver 'Master Tech', Atomic, Bauer Compressors, Dacor, DUI Drysuits, Genesis, Hollis Prism2 & Explorer Rebreather, Mares, Oceanic, Sherwood, Tabata / Tusa, Zeagle