Diving capabilities

Rohan Holt has been diving for around 40 years, 30 of them professionally and all qualifications are kept current through regular revision of skills and training other divers. His most relevant certification includes:
  • Health and Safety Executive Part IV diver
  • British Sub-Aqua Club (BSAC) First Class Diver
  • BSAC Club Instructor
  • PADI Dive Master
  • Advanced European Scientific Diver
  • SDSC Diving Supervisor
  • Trimix open circuit (to 60 m)
  • Diver Medic Technician (advanced first aid and life support)
  • Current HSE Diving Medical & Seafarer Medical (ENG1)
This qualifies Rohan to work on diving projects that fall within the scope of the:
  • Scientific & Archaeological Approved Code of Practice (ACoP)
  • Commercial Inland / Inshore ACoP
  • Media ACoP
  • Recreational ACoP

Diving health and safety advice and training

Picture
Rohan is a member of the Scientific Diving Supervisory Committee who represent scientific diving contractors throughout the UK. The group liaises with the Diving Section of the Health and Safety Executive (HSE) to promote safe diving practices and standardise qualifications. Rohan's work with this group has included an analysis of diving incident statistics, revising the Approved Code of Practice for Scientific and Archaeological Diving, the production of Advice notes for Scientific and Archeological Diving in the UK and providing advice to divers in the Statutory Nature Conservation Bodies in the UK.
Pictures from our recent Scientific Diving Supervisor course run in conjunction with Francis Bunker from Marine Seen for Natural England's dive team in Plymouth

Underwater Video

Getting close to nature is often a challenge. Knowing how to create the opportunities and then get the footage requires specialist knowledge of the wildlife, remote filming techniques and where to go to maximise your chances of success. This grey seal was as intent as I was in ensuring the subject matter was framed properly! Photo credit: Kate Northen, Blue-C Ecology.
Follow this link for more underwater video.

Biological surveys and monitoring

Underwater marine biological survey and scientific diving logistics have been a big part of Rohan Holt's career. Using a variety of survey and monitoring techniques he has experience of collecting scientific data from all round the UK and from other temperate and tropical locations world-wide. See the marine biology page.

Underwater photography

Survey and scientific monitoring, diving magazine articles, identification guides and documentary. Our underwater photos have appeared in a wide variety of publications, news items and on TV. Here, Rohan Holt is one of the first divers from the UK to dive on the cold-water coral reefs, deep in Trondheim Fjord, Norway. Photo credit: George Brown.

Underwater gallery