The djong, jong, or jung (also called junk in English) is a type of ancient sailing ship originating from Java, Indonesia that was widely used by Javanese, Sundanese, and later Malay sailors. The word was and is spelled jong in its languages of origin, the "djong" spelling being the colonial Dutch romanization.: 71
Djongs are used mainly as seagoing passenger and cargo vessels. They traveled as far as the Atlantic Ocean in the medieval era.: 64 Their tonnage ranged from 40 to 2000 deadweight tons,[note 1] with an average deadweight of 1200–1400 tons during the Majapahit era. Javanese kingdoms such as Majapahit, Demak Sultanate, and Kalinyamat Sultanate used these vessels as warships, but still predominantly as transport vessels.: 59–62 : 308 : 155 Mataram Sultanate primarily used jong as a merchant ship rather than a warship.: 1354
For their war fleet, the Malays prefer to use shallow draught, oared longships similar to the galley, such as lancaran, ghurab, and ghali. This is very different from the Javanese who prefer long-range, deep-draught round ships such as jong and malangbang. The reason for this difference is that the Malays operated their ships in riverine water, sheltered straits zone, and archipelagic environment, while the Javanese are often active in the open and high sea.: 270–277, 290–291, 296–301 : 148, 155
Views diverge on whether the origin of the word is from a dialect of Chinese, or a Javanese word. The word jong, jung, or junk may derive from the Chinese word chuán (船, "boat; ship"). However, Paul Pelliot and Waruno Mahdi reject the Chinese origin of the name.: 38 Instead, it may be derived from "jong" (transliterated as joṅ) in Old Javanese which means ship.: 748 The first record of Old Javanese jong comes from an inscription in Bali dating to the 11th century CE.: 82 It was first recorded in the Malay and Chinese languages by the 15th century, when a Chinese word list identified it as a Malay term for ship,: 60 thus practically excludes the Chinese origin of the word.: 266 The late 15th century Undang-Undang Laut Melaka, a maritime code composed by Javanese shipowners in Melaka,: 39 uses jong frequently as the word for freight ships.: 60 European writings from 1345 through 1609 use a variety of related terms, including jonque (French), ioncque, ionct, giunchi, zonchi (Italian), iuncque, joanga, juanga (Spanish), junco (Portuguese), and ionco, djonk, jonk (Dutch).: 299 : 60
The origin of the word "junk" in the English language, can be traced to the Portuguese word junco, which is rendered from the Arabic word j-n-k (جنك). This word comes from the fact that Arabic script cannot represent the digraph "ng".: 37 The word used to denote both the Javanese ship (jong) and the Chinese ship (chuán), even though the two were markedly different vessels. After the disappearance of jong in the 17th century, the meaning of "junk" (and other similar words in European languages), which until then was used as a transcription of the word "jong" in Malay and Javanese, changed its meaning to exclusively refer to the Chinese ship.: 204 : 222
People from the Indonesian Archipelago usually refer to large Chinese ships as "wangkang", while small ones are called "top".: 193 There are also terms in the Malay language, "cunea", "cunia", and "cunya" that originate from the Amoy Chinese dialect 船 仔 (tsûn-á), which refers to Chinese vessels 10–20 m in length. The "djong" spelling is of colonial Dutch origin, rendering the j sound as "dj",: 71 though both traditional British and current Indonesian orthography romanizes it as jong.: 286–287
Duarte Barbosa reported that the great ships from Java, called junco, which have four masts, are very different from Portuguese ships. A Javanese ship is made of very thick wood, and as it gets old, the Javanese fix it with new planks, this way they have 3–4 planks, one above the other. The rope and the sail are made with woven rattan.: 191–192 : 37–38 The Javanese junks were made using jati wood (teak) at the time of his report (1515), at that time Chinese junks were still using softwood as their main material.: 145 The Javanese ship's hull is formed by joining planks and keel with wooden dowels and treenails, without using iron bolts or nails. The frame would be built later, after the planking (the "shell first" construction). The planks are perforated by an auger and inserted with dowels, which remain inside the fastened planks, not seen from the outside.: 268 : 612 : 138 The hull was pointed at both ends, they carried two rudders and used tanja sail, but it may also use junk sail,: 37 a sail of Indonesian origin.: 191–192 On top of the mast there is a top or gávea, which is used for observation and fighting.: 217  They were very different from the Chinese ships, whose hulls were joined by iron nails and strakes to a frame and bulkheads. The Chinese vessel had a single rudder, and (except in Fujian and Guangdong) they had flat bottoms without keels.: 58
Historical engravings also depict the usage of bowsprits and bowsprit sails, with a deckhouse above the upper deck, and the appearance of stemposts and sternposts.: 31 The deckhouse is extending from the front to the back, where people are protected from the heat of the sun, rain, and dew. At the stern, there is a cabin for the ship's captain.: 131–132 : 31 This cabin, is square in shape and protruding ("hanging") above the sharp waterline stern (the sternpost), overhung above the water like a farmer's outhouse.: 242–243 : 1354 The bow also has a square platform that protrudes above the stempost, for bowsprit and forward-facing gun shield/gun mount (apilan or ampilan in the Malay language).: 242–243 : 354 A jong could carry up to 100 berço (breech-loading artillery—likely refers to local cetbang cannon).: 234–235 Like other Austronesian ships, jong is steered using 2 quarter rudders. According to father Nicolau Perreira, the jong has 3 rudders, one on each side and one in the middle. This may refer to hybrid jong, with the middle rudder being like those on Chinese vessels (hanging axial rudder) or western axial rudder (pintle and gudgeon rudder). Alternatively, it may have been a long sweep to aid in harbor maneuvers.: 268, 270, 272–273 : 24 A jong has about 1:3 to 1:4 beam-to-length ratio,: 292 which makes it fall into the category of "round ship".: 148 and 169
Barbosa also reported various goods carried by these ships, which include rice, meat of cows, sheep, pigs, and deer, dried and salted, many chickens, garlic, and onions. Traded weapons include lances, dagger, and swords, worked in inlaid metal and very good steel. Also brought with them cubebs and yellow die called cazumba (kasumba) and gold which is produced in Java. Barbosa mention places and route in which these ships visited, which include Maluku Islands, Timor, Banda, Sumatra, Malacca, China, Tenasserim, Pegu (Bago), Bengal, Pulicat, Coromandel, Malabar, Cambay (Khambat), and Aden. From the notes of other authors, it is known that there were also those who went to the Maldives, Calicut (Kozhikode), Oman, Aden, and the Red Sea. The passenger brought their wives and children, even some of them never leave the ship to go on shore, nor have any other dwelling, for they are born and die in the ship.: 191–193 : 199 It is known that ships made with teak could last for 200 years.: 147
The size and construction of the jong required expertise and materials that were not necessarily available in many places, therefore the Javanese junks were mainly constructed in two major shipbuilding centers around Java: north coastal Java, especially around Rembang–Demak (along the Muria strait) and Cirebon; and the south coast of Borneo (Banjarmasin) and adjacent islands. These places have teak forests, whose wood is resistant to shipworm.: 272 : 33 Southern Borneo's supply of teak would have come from north Java, whereas Borneo itself would supply ironwood.: 132 Pegu, which is a large shipbuilding port in the 16th century, also produced jong, built by Javanese who resided there.: 250
Main article: K'un-lun po
In the first millennium AD, the ship called kolandiaphonta was recorded in Claudius Ptolemaeus' Geography (ca. 150 AD). It is referred to by the Chinese as K'un-lun po. The characteristics of this ship are that it is large (more than 50–60 m long), the hull is made of multiple plankings, has no outrigger, mounted with many masts and sails, the sail is in the form of a tanja sail, and has a plank fastening technique in the form of stitching with plant fibers.: 27–28 : 41 : 275 : 262 : 347
Faxian (Fa-Hsien) in his return journey to China from India (413–414) embarked a ship carrying 200 passengers and sailors from K'un-lun which towed a smaller ship. A cyclone struck and forced the passengers to move into the smaller ship. The crew of the smaller ship feared that the ship would be overloaded, therefore they cut the rope and separated from the big ship. Luckily the bigger ship survived, the passengers were stranded in Ye-po-ti (Yawadwipa—Java). After 5 months, the crew and the passengers embarked on another ship comparable in size to sail back to China.: 6–7 
In 1178, the Guangzhou customs officer Zhou Qufei, wrote in Lingwai Daida about the ships of the Southern country:
The ships which sail the southern sea and south of it are like giant houses. When their sails are spread they are like great clouds in the sky. Their rudders are several tens of feet long. A single ship carries several hundred men, and has in the stores a year's supply of grain. Pigs are fed and wine fermented on board.[note 2] There is no account of dead or living, no going back to the mainland when once the people have set forth upon the cerulean sea. At daybreak, when the gong sounds aboard the ship, the animals can drink their fill, and crew and passengers alike forget all dangers. To those on board everything is hidden and lost in space, mountains, landmarks, and the countries of foreigners. The shipmaster may say "To make such and such a country, with a favourable wind, in so many days, we should sight such and such a mountain, (then) the ship must steer in such and such a direction". But suddenly the wind may fall, and may not be strong enough to allow of the sighting of the mountain on the given day; in such a case, bearings may have to be changed. And the ship (on the other hand) may be carried far beyond (the landmark) and may lose its bearings. A gale may spring up, the ship may be blown hither and thither, it may meet with shoals or be driven upon hidden rocks, then it may be broken to the very roofs (of its deckhouses). A great ship with heavy cargo has nothing to fear from the high seas, but rather in shallow water it will come to grief.
The word "jong" itself was first recorded in the Old Javanese language from a Balinese inscription from the 11th century AD. The Sembiran A IV inscription (1065 AD) stated that merchants came to Manasa in Bali using jong and bahitra. The first record of jong in literature comes from Kakawin Bhomantaka, dated late 12th century AD.: 222, 230, 267 : 82
In 1322 friar Odoric of Pordenone recorded that during his voyage from India to China he boarded a vessel of the zuncum type which carried at least 700 people, either sailors or merchants.: 360 : 73
Kidung Panji Wijayakrama-Rangga Lawe (compiled as early as 1334 AD): 56 mentioned a nine-decked jong (jong sasangawangunan) during the war with the Mongols (1293 AD). It looked like a volcano because of its sparkling and flickering thundercloud decorations, its sails were painted red. It carried 1000 people equipped with gandiwa (bow), bedil, shields, towok (javelin), kantar (long shield), and baju rantai (chainmail).: 91
The Majapahit Empire used jongs as its main source of naval power. It is unknown how many exactly the total number of jongs were used by Majapahit, but the largest number of jongs deployed in an expedition is about 400 jongs accompanied by uncountable malangbang and kelulus when Majapahit attacked Pasai. In the second largest military expedition, the invasion of Singapura in 1398, Majapahit deployed 300 jongs with no less than 200,000 men (more than 600 men in each jong). Indonesian writer Pramoedya Ananta Toer argued that the largest Majapahit ships could carry 800–1000 men and were 50 depa (about 80–100 m) long.: 9 Modern calculation determined that the average jong used by Majapahit would be about 76.18–79.81 m LOA (69.26–72.55 m in deck length), carrying 600–700 men, with 1200–1400 tons deadweight and a displacement of 3333–3889 tons. The largest ones, carrying 1000 men, would be about 88.56 m LOA (80.51 m in deck length), with a deadweight of 2000 tons and a displacement of 5556 tons.: 60–62 A Balinese jong used by Bujangga Manik to travel from Bali to Blambangan was 8 depa (12.8–16 m) in width and 25 depa (40–50 m) in length.: 28  Among the smallest jong recorded, used by Chen Yanxiang to visit Korea, was 33-meter-long with an estimated capacity of 220 deadweight tons, with a crew of 121 people.: 150, 153–154
Prior to the Battle of Bubat in 1357, the Sunda king and the royal family arrived in Majapahit after sailing across the Java Sea in a fleet of 200 large ships and 2000 smaller vessels.: 16–17, 76–77 The royal family boarded a nine-decked hybrid Sino-Southeast Asian junk (Old Javanese: Jong sasanga wangunan ring Tatarnagari tiniru). This hybrid junk incorporated Chinese techniques, such as using iron nails alongside wooden dowels, the construction of watertight bulkheads, and the addition of a central rudder.: 270 : 272–276 There is an allusion in Nagarakretagama that ships and boats of Majapahit are painted red and black.: 77 : 192
Wang Dayuan's 1349 composition Daoyi Zhilüe Guangzheng Xia ("Description of the Barbarian of the Isles") described the so-called "horse boats" at a place called Gan-mai-li in Southeast Asia. These ships were bigger than normal trading ships, with the sides constructed from multiple planks. They use neither nails nor mortar to join them, instead, they are using coconut fiber. They have two or three decks, with a deckhouse over the upper deck. In the lower hold, they carried pressed-down frankincense, above them several hundred horses are carried. Wang made special mention of these ships because pepper, which is also transported by them, was carried to faraway places in large quantities. The normal trading ships carried less than 1/10 of their cargo.: 33 : 170
Usually, the main vessel towed behind a smaller "tender" for landing. Data from Marco Polo records made it possible to calculate that the largest ships may have had a burden tonnage of 500–800 tons, about the same as Chinese vessels used to trade in the 19th century. The tender itself may have been able to carry about 70 tons.: 54–55 Marco Polo also noted that they may have 2 or 3 of these tenders, and may have about 10 small boats for helping the main vessel, such as for laying out anchors, catching fish, and bringing supplies aboard. When sailing, the small boats were slung to the ship's sides.: 250–251
Niccolò da Conti, in relating his travels in Asia between 1419 and 1444, describes ships much larger than European ships, capable of reaching 2,000 tons in size,[note 3] with five sails and as many masts. The lower part is constructed with three planks, to withstand the force of the tempests to which they are much exposed. Some of the ships are built in compartments so that if one part is punctured, the other portion remains intact to accomplish the voyage.
Fra Mauro in his map explained that one junk rounded the Cape of Good Hope and traveled far into the Atlantic Ocean, in 1420:
About the year of Our Lord 1420 a ship, what is called an Indian zoncho, on a crossing of the Sea of India towards the "Isle of Men and Women", was diverted beyond the "Cape of Diab" (Shown as the Cape of Good Hope on the map), through the "Green Isles" (lit. "isole uerde", Cabo Verde Islands), out into the "Sea of Darkness" (Atlantic Ocean) on a way west and southwest. Nothing but air and water was seen for 40 days and by their reckoning, they ran 2,000 miles and fortune deserted them. When the stress of the weather had subsided they made the return to the said "Cape of Diab" in 70 days and drawing near to the shore to supply their wants the sailors saw the egg of a bird called roc, which egg is as big as an amphora.
Florentine merchant Giovanni da Empoli (1483–1517), one of the first Italian agents to join a Portuguese armada to India in 1503–1504, said that in the land of Java, a junk is no different in its strength than a castle, because it had three and four boards, one above the other, which cannot be harmed with artillery. They sail with their women, children, and family, and everyone has a room for themselves.: 58
Passing by Pacem (Samudera Pasai Sultanate) the Portuguese came across two junks, one is from Coromandel, which is captured immediately, and the other is from Java which weighed about 600 tons, near Polvoreira (likely Pulau Berhala, 160 miles from Malacca, between Belawan, Medan and Lumut, Perak). The junk carried 300 Javanese "Moors" (Muslims) on board. The Portuguese sent out small boats to approach it, ordered it to halt but it promptly opened fire on the fleet, its crew hurling down spears, arrows, stones, gunpowder pots, and flammable materials. Afonso de Albuquerque approached it with his entire fleet. The Portuguese began firing on the junk, but the cannonball bounced off the hull, then the junk sailed away. The Portuguese ships then fired on the junk's masts causing them to fall. Near dawn, Flor de la Mar (the highest Portuguese carrack) caught up and rammed the junk, while firing artilleries which killed 40 of the junk's crew. The junk was so tall that Flor de la Mar's rear castle could barely reach its bridge,[note 4] and the Portuguese does not dare to board it. Their bombard shots did not damage it because it has 4 layers of board, while the largest Portuguese cannon could only penetrate no more than 2 layers. When the Portuguese tried to grapple it and attack in close combat, the crew set fire to their junk,[note 5] forcing the Portuguese to pull away. During the escape, the junk's crew tried to put out the fire with great difficulty.[note 6] After two days and two nights of fighting, Albuquerque decided to break the two rudders at the side of the vessel, causing it to surrender. Once aboard, the Portuguese found the king of Pasai, whom Albuquerque hoped he could be made a vassal for trading. They also gained such an admiration for the junk and its crew and nicknamed it O Bravo (lit. "The Brave"). The Portuguese crew pleaded with Fernão Pires to convince Albuquerque that the crew should be spared and viewed vassals of Portugal who were simply unaware of who they were actually fighting. Albuquerque eventually agreed to this.: 138–139 : 62–64 : 216–219 [note 7]
In late 1512 – January 1513 Pati Unus of Demak Sultanate tried to surprise Malacca with 100 vessels with 5,000 Javanese from Jepara and Palembang. About 30 of those were junks weighing about 350–600 tons (except for Pati Unus' flagship), the rest being smaller boats of pangajava, lancaran, and kelulus types. The expedition may have carried up to 12,000 men. These vessels carried much Javanese artillery.[note 8]: 23, 177 Although defeated, Pati Unus sailed home and beached his armored war junk as a monument of a fight against men he called the bravest in the world, his exploit winning him a few years later the throne of Demak.: 70–71 In a letter to Afonso de Albuquerque, from Cannanore, 22 February 1513, Fernão Pires de Andrade, the captain of the fleet that routed Pati Unus, says:: 151–152
The junk of Pati Unus is the largest seen by men of these parts so far. It carried a thousand fighting men on board, and your Lordship can believe me . . . that it was an amazing thing to see, because the Anunciada near it did not look like a ship at all. We attacked it with bombards, but even the shots of the largest did not pierce it below the water-line, and (the shots of) the esfera (Portuguese large cannon)[note 9] I had in my ship went in but did not pass through; it had three sheathings, all of which were over a cruzado thick.[note 10] And it certainly was so monstrous that no man had ever seen the like. It took three years to build, as your Lordship may have heard tell in Malacca concerning this Pati Unus, who made this armada to become king of Malacca.
— Fernão Pires de Andrade: 58–60
Fernão Lopes de Castanheda noted that Pati Unus' junk is built with 7 layers of planking, called lapis in Javanese and Malay, between each layer was put a coating consisting a mixture of bitumen, lime, and oil.: 294 : 269 Pati Unus was using it as floating fortress for blockading the area around Malacca.: 94
The Portuguese remarked that such large, unwieldy ships were weaknesses. The Portuguese succeeded in repelling the attack using smaller but more maneuverable ships, using boarding tactics and setting fire to the junks.: 294 They did not specify the exact size of Pati Unus' junk. Irawan Djoko Nugroho suggested that it has a length of 4–5 times the Flor do Mar (a nau).: 307 This would make its size about 144–180 m, with the tonnage between 1600 and 2000 tons.[note 11] Pierre-Yves Manguin put it as low as 1000 tons.: 266 Muhammad Averoes calculated the size by determining its displacement first, and obtained that the Pati Unus' junk have a displacement tonnage of 5556 tons and deadweight of 2000 tons, with an LOA of 88.56 m and LOD of 80.51 m.: 59–62
Impressed by the Javanese's skill in shipbuilding, Albuquerque hired 60 Javanese carpenters and shipbuilders from the Malacca shipyard and sent them to India, with the hope that these craftsmen will be able to repair Portuguese ships in India. But they never arrived in India, they rebelled and took the Portuguese ship they boarded to Pasai, where they were welcomed extraordinarily.: 102–103 The Portuguese employed junks in big numbers for their trade in Asia. At least 1 jong was sailed to Portugal, to be deployed as coast guard ship at Sacavem under the instruction of King John III,[note 12] and as a warship in the Gibraltar Strait Fleet, the Esquadra do Estreito.
Tomé Pires in 1515 wrote that the authorities of Canton (Guangzhou) made a law that obliged foreign ships to anchor at an island off-shore. He said that the Chinese made this law about banning ships from Canton for fear of the Javanese and Malays, for it was believed that one of their junks would rout 20 Chinese junks. China had more than a thousand junks, but one ship of 400 tons could depopulate Canton, and this depopulation would bring great loss to China. The Chinese feared that the city would be taken from them, because Canton was one of China's wealthiest city.: 122–123
In 1574, queen Kalinyamat of Jepara Sultanate attacked the Portuguese Malacca with 300 vessels under the command of Kyai Demang, which included 80 jong weighing up to 400 tons burthen and 220 kelulus, although with very little artillery and firearms. As the supplies were dwindling and the air corrupted by disease,: 212 Tristão Vaz da Veiga decided to arm a small fleet of a galley and four half-galleys and about 100 soldiers and head out to the River of Malaios,[clarification needed] in the middle of the night. Once there, the Portuguese fleet entered the river undetected by the Javanese crews, and resorting to hand-thrown fire bombs set fire to about 30 junks and other crafts, catching the enemy fleet entirely by surprise, and capturing ample supplies amidst the panicking Javanese. After 3-month siege, the Javanese retreated.: 395–397
Recounting his 10 years in the East Indies (1601–1611), François Pyrard of Raval (ca. 1578–1623) mentioned about a wreck of a Sundanese junk in Guradu, south Malé Atoll, Maldives. The ship was carrying all kind of spices and other merchandise from China and Sunda. On board was about 500 men, women, and children, and only 100 was saved during its sinking. The king of Maldives asserted that it was the richest ship conceivable. Pyrard thought it was the largest ship he has ever seen, with the mast being taller and thicker than those of Portuguese carracks, and the top was much larger than those of Portugal. The Sundanese queen's parents were the owner of the junk, both were drowned in the sinking. The queen, which was only a child during the sinking, survived.
The Dutch in the late 16th and early 17th centuries found that the Javanese jongs sailing in Southeast Asia were smaller than in previous centuries.: 199 Willem Lodewycksz noted that Bantenese junk had a capacity of not more than 20 last (40 tons).: 202 : 133 Willem Lodewycksz's report on one of the jong he saw in Banten in 1596 reads:
(Seated at the stern) were two men steering: Because (the ship) had two rudders, one on each side, and a pole in the middle which is tied to the ship with ropes under the stern (...). (These jongs) are their ships which they use to navigate the open seas to Maluku, Banda, Borneo, Sumatra, and Malacca. They have a bowsprit on the front, and near it a front mast, (and there is also) a mainmast and a mizzenmast, and from front to the back there is a structure like a house, on which they sit protected from the heat of the sun, rain, and dew. At the stern there is a room which is only for the ship captain, they have no square sail except for the bowsprit sail, under it (inside the hull) is divided into small spaces where they store the cargo. They enter through the openings on either side of the ship and this is where their fireplace/chimney located.: 200–201 : 131 : 33 : 248
The first jong encountered by the Dutch in Banten was only 16 last (32 tons) in size. The jong of Banten is mostly made in Banjarmasin, Borneo.: 71, 132 But it's certain that Lodewycksz never saw the leviathans of Central Java, such as those from Semarang and Jepara.: 79 In December 1664, Wouter Schouten described the great jong of Java:
They build large ships commonly called joncken (jong), which by the Javanese are used more for commerce than for warfare, some are so large that they could carry 200–300 last (400–600 tons). These are equipped with a bowsprit, foresail mast, large mast, and mizzen; but they don't have topmasts, no mars (top)[note 13] nor upper sails like ours but large square lower sails made of straw or coconut bark. The upper deck of these jongs stays unusually high when the cargo is placed under the body storage. The shipmates are divided over multiple small rooms and chambers; the stern hangs like a farmer's outhouse miraculously sticking out very far over the water; you can also find a cabin for the captain there or the sea-master who is responsible for the handling of business. Because the Chinese and the Javanese depart on journeys with these jong and other types of ships for some weeks or months they usually take their wives and children with them. This means they learn the discomfort of a sailor's life from a young age.: Volume III: 160
Anthony Reid argues that the failure of the jong in battles against smaller and more agile Western ships may have convinced the Javanese shipbuilders that the large but less agile jong faced too much risk against the European style of naval battle, so the ships they built later were smaller and faster.: 201 Since the mid-16th century the maritime forces of the archipelago began to use new types of agile naval vessels that could be equipped with larger cannons: In various attacks on Portuguese Malacca after the defeat of Pati Unus, they no longer used jong but used lancaran, ghurab, and ghali.: 205–213 The jongs that plied the archipelago post-1600s were ranging from 20 to 200 tons deadweight, with a possible average of 100 tons,: 199 but there are still several of them that could load 200–300 lasts (about 360–400 to 540–600 metric tons)[note 14] in the early 1700s.: 223
Production of djongs ended in the 1700s, perhaps because of the decision of Amangkurat I of Mataram Sultanate to destroy ships in coastal cities and close ports to prevent them from rebelling, in 1655.: 100 : 79–80 By 1677, the Batavia Daghregister reported that Mataram is lacking vessels on their own even for necessary use, and was very ignorant about the sea.: Vol I: 79 After the 1700s, the role of the jong has been replaced by European types of ships, namely the bark and brigantine, built at local shipyards of Rembang and Juwana (the former shipbuilding place for jong),: 20 such ships may reach 400–600 tons burthen, with the average of 92 lasts (165.6–184 metric tons). The Dutch also realized Javanese proficiency in shipbuilding: In the 18th century, shipbuilding yards in Amsterdam employed Javanese people as foremen.: 202 In 1856, John Crawfurd noted that Javanese shipbuilding activity still existed on the north coast of Java, with the shipyards supervised by Europeans, but all of the workers were Javanese. The ships that were built in the 19th century had a maximum tonnage of 50 tons and were mainly used for river transport.: 95
A small-sized replica is moored along the Marine March of Resorts World Sentosa, Singapore.
Jong is an Indonesian unique unit in Sid Meier's Civilization VI video game. However, the model used in-game more closely resembles a Borobudur ship than an actual jong.
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