USCGC Spar

The Spar spent a working life tending buoys and breaking ice for the Coast Guard - she was among the cutters that circumnavigated North America via the Northwest Passage in 1957 - before being sunk as an artificial reef off Morehead City in 2004. She sits upright and compact, small enough to tour thoroughly in one dive: deckhouse, mast, and open holds, all claimed within a few seasons by the local cast. Sand tigers now hang in her lee and drift along the rails, often in company with the schools of spadefish and amberjack that use her as a mid-ocean landmark. For divers building offshore experience, she is the friendliest of the Crystal Coast's shark wrecks.

वह पल जिसके लिए आप आते हैं: An upright, easily navigated cutter with resident sand tigers

टोपोग्राफी: 180-ft Coast Guard buoy tender upright on sand

खतरे: Current at the mooring; entanglement points around rails and rigging remnants.

Nitrox: यहाँ इसका फ़ायदा है — प्रोफ़ाइल उस रेंज में हैं जहाँ enriched air no-stop समय को सार्थक रूप से बढ़ाता है (इसके उपयोग के प्रशिक्षण के साथ)।