Divers Alert Network
Professional services
UnclaimedA network of nonprofit organizations providing emergency assistance, insurance, education, research, and medical information for divers.
Last updated August 26, 2026
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Overview
Divers Alert Network (DAN) is an international network of nonprofit organizations focused on reducing illness, injury, and death associated with recreational and occupational diving. Its best-known service is a 24-hour emergency telephone network through which divers, families, physicians, and rescue personnel can obtain specialized advice from experts in diving and hyperbaric medicine. Depending on the region, DAN organizations provide assistance to members only or extend some services to the wider public. The organization originated in the United States in 1980, when Peter B. Bennett used support from the National Oceanic and Atmospheric Administration and the National Institute for Occupational Safety and Health to establish the National Diving Accident Network at Duke University Medical Center in Durham, North Carolina. The initiative developed from an earlier proposal within the Undersea Medical Society for a national, round-the-clock source of diving medical expertise. In 1982, the service expanded beyond acute emergencies to include a medical and safety advisory line for recreational divers, and its name changed from Diving Accident Network to Divers Alert Network. DAN’s activities extend well beyond telephone consultation. Its regional organizations commonly offer diving accident and travel insurance, emergency medical evacuation benefits, first-aid and oxygen-administration training, instructor education, medical information, publications, and support for recompression facilities. Programs have included oxygen first aid, cardiopulmonary resuscitation, automated external defibrillation, hazardous marine-life injury response, remote oxygen provision, advanced oxygen administration, and on-site neurological assessment. Offerings vary by region and may be delivered directly, through instructors, or through partner organizations. Research is another central part of the network’s mission. DAN America and DAN Europe have maintained databases concerning diving accidents, treatment, and fatalities, while also supporting voluntary collection of dive-profile data. These resources have been used for research into decompression illness, flying after diving, emergency treatment, diving fatalities, and broader risk-reduction practices. The organization publishes findings and collaborates with universities, medical institutions, chamber operators, government bodies, and other diving-safety organizations. The network became international during the 1980s and early 1990s. DAN Europe developed from International Diving Assistance, founded in 1983 by Alessandro Marroni. A Japanese emergency-assistance organization established in 1987 later became DAN Japan. DAN Australia, founded in 1994 by John Lippmann and subsequently operating as DAN Asia-Pacific, extended the network across Australia, New Zealand, Asia, and Pacific communities. DAN Southern Africa joined the international structure in 1996. In February 1991, these and other regional bodies agreed to use the common DAN identity and created International DAN, an umbrella structure intended to coordinate independently administered regional organizations under shared protocols. DAN America is a U.S. 501(c)(3) nonprofit supported by membership dues, donations, grants, and activities connected with training and member services. Regional DAN bodies have their own legal structures, funding arrangements, insurance relationships, and geographic responsibilities. The network therefore operates less like a conventional multinational corporation than like a coordinated family of mission-driven organizations. Its continuing role is to connect divers with qualified emergency assistance, improve public and professional preparedness, and generate evidence that can make diving safer.
History
The idea behind DAN emerged in the late 1970s, when the Undersea Medical Society promoted the concept of a national service that would allow divers and treating physicians to reach a diving-medicine specialist at any time. In September 1980, Peter B. Bennett received a two-year grant from the National Oceanic and Atmospheric Administration and the National Institute for Occupational Safety and Health to establish the National Diving Accident Network at the Frank G. Hall Hyperbaric Center at Duke University Medical Center. The new service published the Underwater Diving Accident Manual in 1981 and handled hundreds of requests for information and assistance during its first operating period. In 1982, it added a medical and safety advisory line for non-emergency questions from recreational divers. The broader remit led to the adoption of the name Divers Alert Network. That year also saw the first annual Diving Accident and Hyperbaric Treatment continuing-medical-education course at Duke. International development began in 1983, when Alessandro Marroni established International Diving Assistance in Europe as a membership-based, round-the-clock emergency service with insurance benefits. In the United States, public funding declined during the early 1980s, and DAN increasingly relied on divers, membership, donations, and the diving industry. A sponsor program for clubs, retailers, and corporations began in 1985. In 1987, the Civil Alert Network in Japan began supporting diving emergencies under Yoshihiro Mano’s guidance and later became DAN Japan. DAN also introduced its first member dive-accident insurance program that year; membership subsequently grew substantially. DAN obtained 501(c)(3) nonprofit recognition from the U.S. Internal Revenue Service in 1990. In 1991, it introduced an Oxygen First Aid course and DAN Travel Assist, while research on flying after diving began. The same period produced the international coordination process that resulted in International DAN, or IDAN, in 1991. The participating regional organizations adopted the shared DAN identity while retaining independent administration. DAN America became the headquarters for the international structure. During the 1990s, the network broadened its services. Emergency medical evacuation became a member benefit in 1992, and DAN received the Undersea and Hyperbaric Medical Society’s Craig Hoffman Diving Safety Award. DAN Europe began receiving and delivering training programs, and an insurance company known as Accident General Insurance was opened in 1993. DAN Australia was founded in 1994 and later became DAN Asia-Pacific. DAN Southern Africa joined IDAN in 1996, by which time oxygen first-aid instruction was being delivered across all seven continents. The training portfolio expanded with courses concerning aquatic emergencies, remote oxygen provision, hazardous marine-life injuries, automated external defibrillation, and advanced oxygen provision. DAN also developed support for recompression-chamber operators, including the Recompression Chamber Assistance and Partnership Program from 1997. The organization moved to a permanent facility named the Peter B. Bennett Center. Bennett announced his retirement as DAN president in 2003, and Dan Orr assumed senior leadership before Michael D. Curley became DAN America president and chief executive officer in 2004. Orr returned to the role in 2006. In 2009, DAN launched an online presence for its Alert Diver magazine. Today, DAN functions as a coordinated international network rather than a single conventional corporation. Regional entities serve defined geographic communities and may differ in legal status, insurance arrangements, membership rules, and course catalogues. Common activities include emergency hotlines, diving-medicine information, insurance or evacuation support, research, training, publications, and cooperation with hospitals and hyperbaric facilities. Reported 2019 membership figures showed the largest concentration in DAN United States/Canada, with additional memberships in Europe, Japan, Asia-Pacific, Latin America and Brazil, and Southern Africa.
- 2009
Alert Diver Online launched
[1]DAN introduced a website for the online edition of its bi-monthly Alert Diver magazine.
- 2003
Peter B. Bennett retired from leadership
[1]Bennett announced his retirement as DAN president, and the Peter B. Bennett Research Fund was established to support future diving-safety research.
- 1996
DAN Southern Africa joined IDAN
[1]DAN Southern Africa became part of the international DAN structure.
- 1994
DAN Australia founded
[1]John Lippmann founded DAN Australia, which later operated as DAN Asia-Pacific and expanded services across the wider Asia-Pacific region.
- 1991
International DAN formed
[1]Regional organizations agreed to coordinate through International DAN and adopted a common DAN identity.
- 1990
U.S. nonprofit status recognized
[1]The U.S. organization received 501(c)(3) nonprofit status from the Internal Revenue Service.
- 1987
Japanese network and member insurance launched
[1]The Civil Alert Network began assisting diving emergencies in Japan, while DAN introduced its first member diving-accident insurance program.
- 1983
International Diving Assistance founded in Europe
[1]Alessandro Marroni founded the European emergency-assistance organization that later became DAN Europe.
- 1982
Name changed to Divers Alert Network
[1]A medical and safety advisory line for non-emergency questions was added, accompanying the change from Diving Accident Network to Divers Alert Network.
- 1981
First diving-accident manual published
[1]The organization published its Underwater Diving Accident Manual and began documenting demand for diving emergency information and assistance.
Products and positioning
A specialist nonprofit safety and medical-support network for the global diving community, combining emergency response, education, insurance-related protection, and diving-medicine research.
Emergency medical assistance · 1980
Diving emergency hotline
DAN’s core service is a 24-hour telephone network connecting divers and treating professionals with specialists in diving and hyperbaric medicine. Regional centers manage cases according to local protocols and may coordinate with hospitals, rescue services, hyperbaric facilities, and other DAN centers when an incident occurs across borders.
Membership program · 1987
DAN membership
Regional DAN organizations offer individual, family, and other membership categories. Benefits vary by location but can include emergency medical assistance, medical information, accident or travel insurance, evacuation support, publications, and access to member education and resources.
Insurance-related service · 1987
Diving accident and travel insurance
DAN regional organizations arrange or provide insurance benefits intended for diving accidents, travel emergencies, and in some markets medical evacuation. Underwriting and coverage conditions differ by jurisdiction, so the service is not a single globally uniform insurance product.
Diving safety education · 1991
Oxygen First Aid training
This training prepares divers and responders to recognize diving emergencies and provide oxygen first aid while professional medical care is being arranged. It became one of DAN’s foundational educational programs and was subsequently adapted for multiple regional training systems.
Training and certification · 1998
DAN first-aid and rescue courses
The broader course portfolio has included basic and advanced oxygen provision, CPR, automated external defibrillation, first aid, hazardous marine-life injury response, remote oxygen provision, anaphylaxis response, neurological assessment, and instructor training. Availability and accreditation depend on the DAN region.
Research · 1991
Diving medicine research
DAN supports research using accident, treatment, fatality, and voluntarily submitted dive-profile data. Research themes have included flying after diving, decompression illness, diving fatalities, emergency treatment, and practical measures for reducing risk in recreational diving.
Publication · 2009
Alert Diver
Alert Diver is DAN’s magazine and educational publication platform, covering diving medicine, safety, research, emergency response, and topics relevant to recreational divers. An online edition was launched in 2009.
Brand decisions
1997
Introduced recompression-chamber partnership supportStrategyBackground
Safe and reliable access to recompression facilities is essential when treating serious diving injuries.
Action taken
DAN launched the Recompression Chamber Assistance and Partnership Program to support chamber operators with equipment, training, and emergency assistance.
Aftermath
The program extended DAN’s safety role from individual divers to parts of the treatment infrastructure used in diving emergencies.
1991
Created an international coordinating structureStrategyBackground
The growth of independent regional diving-assistance organizations made coordinated international standards and cross-border support increasingly important.
Action taken
DAN America and regional organizations established International DAN, using a shared identity and protocol framework while retaining regional administration.
Aftermath
The network expanded its ability to support divers traveling between regions without becoming a single centrally owned corporation.
1982
Expanded from emergency calls to broader diver medical adviceStrategyBackground
The original service was designed primarily for diving accidents, but recreational divers also needed a reliable source for non-emergency medical and safety questions.
Action taken
DAN added a medical and safety advisory telephone line and adopted the broader Divers Alert Network name.
Aftermath
The change established the wider service model that combined emergency assistance, prevention, education, and information.
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