The Record
Arab dhow, early ninth century, lost on the reefs of Belitung Island in the Java Sea. Sewn together with coconut fibre rather than iron nails, she was the first ancient Arab vessel ever recovered. Her cargo held 60,000 Tang dynasty ceramics plus a single gold cup, the largest Tang hoard ever found outside China and definitive proof of direct sea trade between Tang China and Abbasid Arabia. Discovered by Indonesian fishermen in 1998; the salvage remains controversial because the hold was emptied commercially rather than scientifically excavated.
The Vessel
The Belitung shipwreck was an Arabian dhow of the late Tang dynasty period, built in the Persian Gulf or along the Arabian coast sometime around 820 AD and lost in the Java Sea off the Indonesian island of Belitung around 830 AD. She was approximately 18 metres long and 6.4 metres in beam, a single-masted lateen-rigged merchant vessel of the kind that worked the Indian Ocean trade routes between the Persian Gulf, the Indian subcontinent, and the ports of southern China.
Her hull construction identified her unambiguously as an Arabian vessel rather than a Chinese one. She was built by the sewn-plank technique characteristic of medieval Indian Ocean shipbuilding: the hull planks were lashed together with coconut-fibre cordage through drilled holes along the plank edges, rather than being joined by iron nails or wooden treenails. The caulking material between the planks was a mixture of lime, fish oil, and coconut-fibre fibre. No iron fastenings were used anywhere in her hull.
Her home port was almost certainly Siraf, on the Persian Gulf coast of what is now Iran, the principal Arabian port for the China trade in the ninth century. Her captain and crew on the final voyage were Arab and Persian merchants operating under the commercial protections established by the Abbasid caliphate's diplomatic relationship with Tang China. The Belitung ship is the only documented archaeological example of a ninth-century Arabian dhow recovered anywhere in the world.
The Voyage
The Belitung ship's final voyage was a return passage from the Chinese port of Guangzhou to the Abbasid Middle East, loaded with what remains one of the most spectacular single cargoes ever recovered from a medieval shipwreck. Her hold contained approximately 60,000 individual Tang ceramic pieces, predominantly bowls of the Changsha kiln type produced specifically for the Indian Ocean export market, along with smaller quantities of elite ceramics: Yue green-ware bowls, Xing white-ware bowls, blue-and-white painted ceramics (the earliest known blue-and-white Chinese ceramics in quantity), and individual pieces of extraordinary quality including a gold cup decorated with lions and grape vines, the largest Tang-period gold cup ever recovered.
The voyage had begun at Guangzhou some months earlier. The ship's route, reconstructed from her cargo, followed the standard ninth-century Indian Ocean trading pattern: from Guangzhou southwest through the South China Sea to the Straits of Malacca, then across the Bay of Bengal to the southern Indian coast, then northwest across the Arabian Sea to the Persian Gulf. The total voyage distance was approximately 11,000 kilometres; the complete round trip from Siraf to Guangzhou and back would have taken approximately 18 months, following the seasonal monsoon wind patterns.
The commercial context was the peak period of the Tang maritime silk road. The ninth-century Abbasid caliphate and the Tang imperial court maintained active diplomatic and commercial relations; Arab merchant colonies at Guangzhou and other Chinese ports numbered in the tens of thousands. The Belitung cargo represents, in physical terms, the scale of the ninth-century China-to-Middle East trade.
The Disaster
The specific cause of the Belitung ship's loss is not certain and cannot be fully reconstructed from the wreck site. She sank in shallow water (approximately 17 metres) on the Gaspar Strait between the Indonesian islands of Belitung and Bangka, a notorious shipping hazard known to medieval Arab and Chinese navigators as a site of numerous shipwrecks. The Gaspar Strait is characterised by a series of submerged coral reefs and strong tidal currents; a ship that drifted onto a reef in poor weather or at night could be holed and sunk very quickly.
The archaeological evidence suggests that the Belitung ship struck a coral reef (a substantial area of reef damage is visible on the seabed adjacent to the wreck site) and sank without catastrophic destruction. The hull settled onto the shallow seabed substantially intact, with the cargo still in its original stowage arrangement. The stowage pattern, painstakingly recorded during the excavation, showed that the Changsha bowls had been packed inside large storage jars for transit, a standard medieval Chinese export technique; the larger elite ceramics had been stowed separately in the after hold.
The Belitung ship sank in approximately 17 metres of water on the Gaspar Strait in or around 830 AD, on a voyage estimated to be 1,900 kilometres from Guangzhou with approximately 9,100 kilometres yet to run to Siraf. The fate of her Arab and Persian crew is unknown; they may have survived by reaching the nearby Indonesian coast, or they may have drowned.
The Legacy
The Belitung wreck was located in 1998 by Indonesian sea cucumber divers working the Gaspar Strait. The Indonesian government granted salvage rights to the German commercial salvage company Seabed Explorations, which conducted the recovery in 1998 and 1999. The recovery was, in archaeological terms, substantially controversial: commercial salvage of an intact medieval wreck site was criticised by the international archaeological community as fundamentally incompatible with systematic archaeological documentation.
Approximately 60,000 artefacts were recovered, making the Belitung cargo the largest single assemblage of Tang-period export ceramics ever found. The commercial valuation of the cargo was enormous: the complete assemblage was eventually purchased by the Singapore government for approximately 32 million US dollars in 2005, and is now the centrepiece of the Asian Civilisations Museum in Singapore.
The archaeological significance of the Belitung cargo is, despite the controversial recovery methodology, foundational to the history of the medieval Indian Ocean trade. The cargo provided the first physical evidence at scale of the ninth-century export ceramics industry at Changsha; the three complete blue-and-white Tang pieces in the cargo are the earliest dated examples of this ceramic tradition and rewrote the dating of Chinese blue-and-white ware by approximately 500 years. The Arabian-built hull provided the first physical evidence of ninth-century dhow construction techniques.
The international museum community's response to the Belitung recovery was complicated. A planned 2011 loan exhibition of the cargo at the Smithsonian Institution in Washington DC was cancelled following sustained criticism from American archaeological societies; the exhibition eventually opened at the ArtScience Museum in Singapore in 2011 and toured selected venues. The UNESCO Convention on the Protection of the Underwater Cultural Heritage (2001), though not retroactively applicable to the Belitung recovery, was significantly influenced by the Belitung case and explicitly restricted commercial salvage of wreck sites after its entry into force in 2009. The Belitung cargo is now permanently displayed at the Asian Civilisations Museum, Singapore.