Tourist Footage Captures China’s Most Advanced Type 093B Nuclear Submarine Off Hainan Coast
19 May 2026

The footage was recorded recently by a Russian tourist in Yalong Bay near Sanya.
A Russian tourist recently captured rare footage of China’s advanced Type 093B nuclear-powered submarine operating near Yalong Bay, Sanya, off the Hainan coast. This sighting of the Type 093B, a vessel known for its enhanced stealth capabilities and vertical launch systems, highlights the increasing naval activity in the South China Sea. For merchant navy officers navigating these strategic waters, such encounters underscore the necessity of maintaining heightened situational awareness and adhering to strict navigational protocols while transiting near sensitive military zones.
The presence of high-end naval assets near commercial shipping lanes necessitates strict adherence to the International Regulations for Preventing Collisions at Sea (COLREGs), specifically Rule 5 regarding the maintenance of a proper lookout and Rule 7 concerning risk of collision. Furthermore, under SOLAS Chapter V, Regulation 34, masters are mandated to ensure safe passage planning that accounts for restricted areas. Compliance departments must emphasize these protocols to ensure that vessels avoid unauthorized proximity to naval maneuvers, thereby mitigating potential security risks and legal liabilities.
Navigating officers must prioritize radar monitoring and AIS data verification when operating in the vicinity of Sanya. It is essential to maintain a wide berth from unidentified or military vessels to avoid interference with sensitive operations. Navigating officers should immediately report any unusual vessel behavior to the relevant Vessel Traffic Service (VTS) and ensure that bridge watchkeeping standards are elevated to prevent accidental incursions into restricted maritime zones during transit through these contested waters.
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