British Motorist

British Motorist

By ScubaDownUnder Team · 2026-05-20

The British Motorist was a tanker, sunk in Darwin Harbour in the Japanese air raid of 19 February 1942 while she was preparing to refuel the American destroyer USS Peary. The ship herself is long gone. In 1959 a Japanese salvage company refloated her, lived aboard her for two years and then broke her up for scrap. What is left on the seabed south-west of Fort Point, in about 18 metres, is the material the salvors cut away to lighten her: a scatter of steel and machinery, and unexploded artillery shells.

The tanker

Swan, Hunter and Wigham Richardson built the British Motorist at Newcastle upon Tyne in 1924 for the British Tanker Company. She was a 6,891-ton motor tanker, 134 metres long, designed for the international petroleum trade. In late January 1942 she sailed from Colombo with light fuel oil to replenish Darwin's fuel tanks, and she arrived on 11 February.

The raid

On 19 February she was getting ready to refuel USS Peary when the raiders arrived. Two bombs hit her. The first struck the bridge, killing the master, Captain Gilbert Chase Bates, and the second wireless operator, James Henry Webster. The second hit the bow. She listed heavily to port and caught fire amidships, and the crew abandoned ship. Burning oil injured many of them and hampered the rescue, but no one else died. She capsized onto her port side and sank, with her starboard side still showing at low tide.

The raid was the largest attack by a foreign power on modern Australia, and it sank at least seven large ships in the harbour.

Raised by her salvors

In September 1942 the Navy recovered a three-ton anchor and 350 feet of studded chain from the wreck. For years afterwards she lay half submerged, a major obstacle to shipping. She was bought by Morris Merritt of Sydney, who sold her to the Fujita Salvage Company of Japan in the late 1950s.

Fujita's crew of about 120 arrived in July 1959, and the British Motorist was the first wreck they raised. Divers cut out her engines and boilers on the seabed to save weight, the hull was pumped clear of mud and floated on its bulkheads, and she became the salvage team's mother ship, with bunkhouses on deck, open-air dining, an ice-house, a concert stage and a water-taxi service. The crew lived aboard for the two years of the operation and entertained Darwin dignitaries there with Japanese beer and sushi. Around 1961, with the other wrecks done, she was beached and broken up for scrap herself.

What is on the bottom

AUCHD, the Australasian Underwater Cultural Heritage Database, describes the British Motorist as a debris field rather than a wreck. There is no main body of wreckage, no large section of hull and none of the big machinery such as the boilers, main engine or deck machinery. Nothing on the site is bigger than two or three metres, and much of it is shapeless under concretion and marine growth. The main scatter covers about 40 by 50 metres in 18 metres of water. Recognisable pieces include steel I-beams and broken parts of the auxiliary boiler, an oil strainer, clutch plates, condensers and metal coils.

Large and small unexploded artillery rounds also lie on the site. AUCHD says it is not clear whether they show the tanker was armed or whether the site holds material from more than one source. Either way, do not touch them.

No source describes the marine life here, and we found no operator or published dive account that shows the British Motorist being dived recreationally today. AUCHD itself calls the material highly disturbed, with no semblance of hull integrity. This is a site for wreck historians more than sightseers.

Can you dive it?

Diving it is not banned, but there is no ready-made way to do it. The British Motorist is protected under the NT Heritage Act and the Commonwealth Underwater Cultural Heritage Act 2018. Under the Commonwealth Act you must not disturb, damage or remove anything, and any new find must be reported within 21 days. AUCHD records a 100-metre radius zone around the site, but it is not among the protected zones declared under the Commonwealth Act, and it is not one of the two Darwin Harbour sites under a harbourmaster's closed-waters order (the Booya and Catalina 6). The NT Government's advice is to contact the Heritage Branch to find out whether you may dive a wreck and whether you need a permit. With live ordnance on the bottom, ask before you go.

The site lies in the working port, a few hundred metres south of the East Arm shipping channel defined in Darwin Port's Port Notice PN011, which bars vessels from anchoring in a shipping channel except in an emergency.

Conditions

Port Darwin's tides have a maximum range of 7.8 metres, a mean spring range of 5.5 metres and a mean neap range of 1.9 metres, and the currents they drive are complex and strong. The NT Heritage Branch's brochure for the USS Peary, another 1942 wreck, talks in terms of diving on a well-planned neap tide.

Visibility is the other limit. No figures are published for this wreck. For the Mauna Loa, elsewhere in the harbour, the NT Heritage Branch says the seabed is silty and easily stirred up by divers and tides, and that visibility rarely exceeds two to three metres even on a well-planned day. 50 Great Dives gives 5 to 15 metres and a water temperature of 27 to 30°C for the same wreck and rates the dry season best. The dry season runs from about April to September.

Box jellyfish are most likely in NT waters from 1 October to 1 June, but stings have been recorded in every month, and their venom can kill in under five minutes. NT first aid for a sting is vinegar, never fresh water. Saltwater crocodiles are abundant in the Territory again, and the Parks and Wildlife Commission runs a crocodile survey and trapping program in Darwin Harbour itself.

Site Access and Logistics

The British Motorist is a boat dive, with no shore access. No operator advertises it by name. Dive Darwin runs five-hour guided harbour wreck tours from Dock 2, Stokes Hill Wharf (Sea Darwin Cruises), from 7am to 12 noon. Each tour visits two of the harbour's roughly 90 wreck sites, which also include Cyclone Tracy wrecks and sunken illegal Indonesian fishing vessels. Scuba gear, a guide, permits and lunch are included, groups are capped at nine, and in October 2026 the tour was listed from AUD $440. Dive Darwin requires PADI Advanced Diver certification and a minimum age of 15. The booking page does not say which wrecks a tour visits, so ask whether the British Motorist is possible before you book.

For any dive outside an operator's permitted tour, contact the NT Heritage Branch first (08 8999 5039, heritage.branch@nt.gov.au).

The Larrakia people, who call themselves the Saltwater People, are the Aboriginal people of Darwin and its harbour. The SS Zealandia lies about 1.3 kilometres to the east, the USAT Meigs and SS Mauna Loa guides cover two of the harbour's better-known raid wrecks, and the Darwin Harbour Wrecks site page covers the harbour as a whole.

Sources

- AUCHD: British Motorist - Wikipedia: MV British Motorist - Library & Archives NT: The Fujita Salvage Operation - NT Government: Maritime heritage (nt.gov.au/leisure/arts-culture-heritage/visit-a-cultural-or-heritage-site/maritime-heritage) - DCCEEW: Visiting underwater cultural heritage sites - DCCEEW: Underwater heritage protected zones - DCCEEW: A Guide to the Protected Zones declared under the Underwater Cultural Heritage Act (PDF) - Darwin Port: Port Notices - Darwin Port: Port Notice PN011, Shipping Channels (PDF) - Wikipedia: Darwin Harbour - NT Heritage Branch: USAT Mauna Loa brochure (PDF, linked from the NT Government maritime heritage page) - NT Heritage Branch: USS Peary brochure (PDF, linked from the NT Government maritime heritage page) - 50 Great Dives: USAT Mauna Loa (1942) - NT Government: Box jellyfish (nt.gov.au/wellbeing/emergencies-injuries-and-accidents/bites-and-stings/box-jellyfish) - Be Crocwise, NT Government: Saltwater crocodile policy (becrocwise.nt.gov.au/crocodile-management/saltwater-crocodile-policy) - Dive Darwin: Darwin Harbour Wreck Tours booking page (divedarwin1.rezdy.com/708255/darwin-harbour-wreck-tours) - Dive Darwin: Home - Wikipedia: Larrakia people

Header photo: The refloated British Motorist in Darwin Harbour in July 1960, her hull cut open by Fujita's salvors, by Geoff and Lois Helyar (Library & Archives NT, PH0092/0013), CC BY 4.0, via Wikimedia Commons.