Diving atAdmiral Fetterman Reef (United States)
Admiral Fetterman Reef, centered around the USS Oriskany, offers a substantial wreck dive suitable for various experience levels. Much of the aircraft carrier's "Island" structure remains accessible above 30 m (100 ft), providing extensive exploration for recreational divers. While much of the wreck is approachable, specific sections reach depths of 67 m (220 ft), appealing to technical divers seeking greater challenges. Divers must meet minimum logged dive requirements, with guided options available for those without advanced certifications.
As evening covers Admiral Fetterman Reef, the local air temperature is measured at 23.2°C. The current wave height at the surface is recorded at 0.9m. These late-day readings characterize the surface conditions for the night.
Dive Site Coordinates
30.0780, -87.1980
Dive Site Overview
Admiral Fetterman Reef honors Admiral Jack Fetterman, whose leadership transformed the USS Oriskany into the world's largest artificial reef. Deployed in 2006, this immense aircraft carrier now serves as a significant dive destination, drawing global interest to the Florida Panhandle.
Oriskany, decommissioned in 1976, holds a substantial place in naval history; it launched more aircraft sorties and flew more missions than any other carrier during the Vietnam War. She served as the platform for notable figures like James Stockdale and John McCain before their capture as Prisoners of War. Conversion into a reef was a multi-year, multi-million dollar endeavor, driven by the desire to create vital marine habitat where natural reefs are scarce.
An initiative of this scale also aims to bolster regional tourism and economic development, offering unique diving and fishing opportunities. Measuring 277 m (911 ft) long and 46 m (151 ft) high, her sheer scale is impressive, creating an underwater city.
While the SS United States is slated to surpass her in size as a future artificial reef, the Oriskany remains an iconic and formidable structure for exploration, providing a tangible connection to military history underwater.
Best Time to Dive
Optimal diving conditions at Admiral Fetterman Reef generally occur from May through September. During these months, the dive scores are consistently "Good," indicating favorable environmental factors. Air temperatures rise from approximately 24.6°C (76°F) in May to a peak of around 29.3°C (85°F) in August, creating comfortable surface conditions. Wave heights tend to be lower during this period, averaging between 0.67 m and 0.94 m (2.2 ft to 3.1 ft), contributing to calmer boat rides and easier entries/exits. While rainfall averages around 3.8 mm to 5.5 mm (0.15 to 0.22 inches) per month, these are typically brief showers that don't significantly impact diving. Winds are also generally lighter compared to other times of the year, averaging between 23.2 km/h and 27 km/h (14.4 to 16.8 mph). The transition into October sees air temperatures cooling slightly to about 23.9°C (75°F) and a shift to "Moderate" dive scores, alongside higher wave action and wind speeds.
Climate Historical Averages
Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.
Dive Experience & Conditions
Diving the USS Oriskany presents a layered depth profile, catering to a spectrum of diver skills. The top of the smokestack lies at a recreational depth of 25.6 m (84 ft), making it a prime starting point for many divers. Much of the carrier's "Island" structure, including critical bridges and cabins, is found above 39.6 m (130 ft), offering extensive areas to explore within typical recreational limits. The main flight deck sits at about 42 m (138 ft) while the overall maximum depth reaches 67 m (220 ft). Over time, the wreck has settled approximately 2.4 m (8 ft) into the sand, giving it a slight starboard list of about 5 degrees. Notably, Tropical Storm Ida in 2009 created a significant 3 m (10 ft) wide by 15.8 m (52 ft) long "Gap" in the Island structure, now serving as an impressive swim-through for divers. Despite past weather events, the Oriskany's core structure remains sound, with the iconic "34" on the port side still prominently visible.
Dive Difficulty & Safety Guidelines
Diving Admiral Fetterman Reef requires adherence to specific experience guidelines. All divers must have a minimum of 20 logged dives. Open Water divers without advanced or deep diver certifications need a guide and must have completed two logged dives within the last year or a refresher. Advanced divers or those with deep specialties can dive without a guide if they have two logged dives at or below 24 m (80 ft) in the past year, otherwise a guide is required. An alternate air source, such as an octopus or redundant system, is mandatory. Additionally, divers must carry a safety sausage or similar marker device and a whistle. Ship penetrations are considered difficult and risky; the internal layout is unreliable due to structural changes from deployment explosives and storms. Proper training is essential before attempting any internal exploration.
Recommended Equipment
No verified equipment items yet.
Verified equipment recommendations for this dive site are being reviewed and may be added as additional source checks are completed.
Recommended Dive Suit
Divers visiting Admiral Fetterman Reef today can expect water conditions around 23°C (73°F). Surface air temperatures are resting at 23°C (74°F).
For the majority of recreational dives here, 3-5mm wetsuit should provide suitable protection. A hood or vest is suggested for sensitive divers due to surface winds.
Environmental conditions are expected to remain consistent in the short-term outlook.
Conditions last reviewed: 18:00 using the latest environmental data.
Dive Logistics & Preparation
Hyperbaric Chamber
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Entry Requirements
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Currency
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Nearest Airports
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Marine Life at Admiral Fetterman Reef
As one of the largest artificial reefs, the USS Oriskany provides essential habitat, fostering significant biodiversity. While specific species are not consistently reported, the structure functions as a vibrant underwater city, attracting a wide array of reef fish and other marine life typical of large wreck ecosystems. Numerous nooks, crannies, and extensive surfaces of the carrier serve as shelter and feeding grounds. Such an environment supports robust populations that contribute to both diving observations and fishing opportunities in the area. A "Gap" created by Tropical Storm Ida, for instance, has been noted as an improvement for marine life, suggesting increased accessibility and varied habitat within the wreck.
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Frequently Asked Questions
What is Admiral Fetterman Reef?
It is the site of the USS Oriskany, an aircraft carrier intentionally sunk to create a significant artificial reef, named after Admiral Jack Fetterman. This initiative provides crucial habitat for marine life and serves as a major dive attraction in the Florida Panhandle.
What is the maximum depth of the USS Oriskany wreck?
The USS Oriskany rests at a maximum depth of 67 m (220 ft). However, significant parts of the "Island" structure, including the top of the smokestack and various bridges, are much shallower, accessible to recreational divers.
What are the certification requirements to dive the Oriskany?
All divers need a minimum of 20 logged dives. Open Water divers without advanced certifications must dive with a guide and meet recent dive activity requirements. Advanced or deep-certified divers have more flexibility regarding guided dives, provided they meet specific recent deep dive experience.
Can divers penetrate the USS Oriskany?
Internal penetrations are highly risky and difficult due to the changed internal layout and potential damage from deployment explosives and storms. Divers should not attempt penetrations without proper technical wreck diving training and experience.
How have storms affected the wreck's structure?
Hurricane Gustav caused a slight 5-degree starboard list. More notably, Tropical Storm Ida created a 3 m (10 ft) wide by 15.8 m (52 ft) long "Gap" in the Island, which is now a popular swim-through. The main structural integrity of the carrier remains sound.
Why was the USS Oriskany sunk as an artificial reef?
The project aimed to create essential marine habitat in an area with limited natural reefs. It also supports regional tourism and economic development by attracting divers and enhancing fishing opportunities in the Florida Panhandle.
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