HMAS Cape Leeuwin was a lighthouse tender

Lighthouse tender

A lighthouse tender is a ship specifically designed to maintain, support, or tend to lighthouses, or lightvessels, providing supplies, fuel, mail and transportation....

 which was commissioned

Ship commissioning

Ship commissioning is the act or ceremony of placing a ship in active service, and may be regarded as a particular application of the general concepts and practices of project commissioning. The term is most commonly applied to the placing of a warship in active duty with its country's military...

 into the Royal Australian Navy

Royal Australian Navy

The Royal Australian Navy is the naval branch of the Australian Defence Force. Following the Federation of Australia in 1901, the ships and resources of the separate colonial navies were integrated into a national force: the Commonwealth Naval Forces...

 (RAN) between mid-1943 and the end of 1945.

Operational history

Cape Leeuwin was built in 1924 for the lighthouse service. She was requisitioned for service with the RAN from the Queensland Department of Commerce in October 1941 and commissioned into the Navy on 27 August 1943. Her peacetime captain, Noel Buxton, stayed with the ship throughout her naval service and received the rank of Lieutenant

Lieutenant

A lieutenant is a junior commissioned officer in many nations' armed forces. Typically, the rank of lieutenant in naval usage, while still a junior officer rank, is senior to the army rank...

.

From August 1943, Cape Leeuwin was used to lay buoys and service lights along the coast of Queensland and in the South-West Pacific

South West Pacific theatre of World War II

The South West Pacific Theatre, technically the South West Pacific Area, between 1942 and 1945, was one of two designated area commands and war theatres enumerated by the Combined Chiefs of Staff of World War II in the Pacific region....

. She laid buoys and beacons between Milne Bay

Milne Bay

Milne Bay is a large bay in Milne Bay Province, southeastern Papua New Guinea. The bay is named after Sir Alexander Milne.The area was a site of the Battle of Milne Bay in 1942....

 and Hollandia

Jayapura

Jayapura City is the capital of Papua province, Indonesia, on the island of New Guinea. It is situated on Yos Sudarso Bay . Its approximate population in 2002 was 200,000....

 in New Guinea

New Guinea

New Guinea is the world's second largest island, after Greenland, covering a land area of 786,000 km2. Located in the southwest Pacific Ocean, it lies geographically to the east of the Malay Archipelago, with which it is sometimes included as part of a greater Indo-Australian Archipelago...

. From late 1944, she served in the Philippines Campaign, and established navigation aids at Leyte

Leyte

Leyte is a province of the Philippines located in the Eastern Visayas region. Its capital is Tacloban City and occupies the northern three-quarters of the Leyte Island. Leyte is located west of Samar Island, north of Southern Leyte and south of Biliran...

, Mindoro

Mindoro

Mindoro is the seventh-largest island in the Philippines. It is located off the coast of Luzon, and northeast of Palawan. The southern coast of Mindoro forms the northeastern extremum of the Sulu Sea.-History:...

, Subic Bay

Subic Bay

Subic Bay is a bay forming part of Luzon Sea on the west coast of the island of Luzon in Zambales, Philippines, about 100 kilometers northwest of Manila Bay. Its shores were formerly the site of a major United States Navy facility named U.S...

 and Manila

Manila

Manila is the capital of the Philippines. It is one of the sixteen cities forming Metro Manila.Manila is located on the eastern shores of Manila Bay and is bordered by Navotas and Caloocan to the north, Quezon City to the northeast, San Juan and Mandaluyong to the east, Makati on the southeast,...

. As part of these operations, she was the first Australian ship to enter Manila Bay

Manila Bay

Manila Bay is a natural harbor which serves the Port of Manila , in the Philippines.The bay is considered to be one of the best natural harbors in Southeast Asia and one of the finest in the world...

 after the Battle of Manila. In July 1945, she and established lighthouses in the Moluccas

Maluku Islands

The Maluku Islands are an archipelago that is part of Indonesia, and part of the larger Maritime Southeast Asia region. Tectonically they are located on the Halmahera Plate within the Molucca Sea Collision Zone...

 which reopened a route between Darwin

Darwin, Northern Territory

Darwin is the capital city of the Northern Territory, Australia. Situated on the Timor Sea, Darwin has a population of 127,500, making it by far the largest and most populated city in the sparsely populated Northern Territory, but the least populous of all Australia's capital cities...

 and Morotai

Morotai

Morotai Island Regency is a regency of North Maluku province, Indonesia, located on Morotai Island. The population was 54,876 in 2007.-History:...

.

After the war, Cape Leeuwin was decommissioned from the RAN and returned to her owners on 12 December 1945. She continued in Australian service until 1963 when she was paid off and sold to a company in Asia, which named her Ruby.