SS

Steamboat

A steamboat or steamship, sometimes called a steamer, is a ship in which the primary method of propulsion is steam power, typically driving propellers or paddlewheels...

 Mulbera was a British

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 ocean liner

Ocean liner

An ocean liner is a ship designed to transport people from one seaport to another along regular long-distance maritime routes according to a schedule. Liners may also carry cargo or mail, and may sometimes be used for other purposes .Cargo vessels running to a schedule are sometimes referred to as...

 owned by the British-India Steam Navigation Company

British-India Steam Navigation Company

British India Steam Navigation Company was formed in 1856 as the Calcutta and Burmah Steam Navigation Company. The company had been formed out of Mackinnon, Mackenzie & Co, a trading partnership of the Scots William Mackinnon and Robert Mackenzie, to carry mail between Calcutta and Rangoon. It...

 or "BI", built by Alexander Stephen and Sons

Alexander Stephen and Sons

Alexander Stephen and Sons Limited, often referred to simply as Alex Stephens or just Stephens, was a Scottish shipbuilding company based in Linthouse, Govan in Glasgow, on the River Clyde.-History:...

 of Glasgow

Glasgow

Glasgow is the largest city in Scotland and third most populous in the United Kingdom. The city is situated on the River Clyde in the country's west central lowlands...

, Scotland

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

 and delivered to the company in June 1922.

She sailed on the East African run

East Africa

East Africa or Eastern Africa is the easterly region of the African continent, variably defined by geography or geopolitics. In the UN scheme of geographic regions, 19 territories constitute Eastern Africa:...

 which was (London

London

London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

 to Marseilles, Port Said

Port Said

Port Said is a city that lies in north east Egypt extending about 30 km along the coast of the Mediterranean Sea, north of the Suez Canal, with an approximate population of 603,787...

, Port Sudan

Port Sudan

Port Sudan is the capital of Red Sea State, Sudan; it has 489,725 residents . Located on the Red Sea, it is the Republic of Sudan's main port city.-History:...

, Aden

Aden

Aden is a seaport city in Yemen, located by the eastern approach to the Red Sea , some 170 kilometres east of Bab-el-Mandeb. Its population is approximately 800,000. Aden's ancient, natural harbour lies in the crater of an extinct volcano which now forms a peninsula, joined to the mainland by a...

, Mombasa

Mombasa

Mombasa is the second-largest city in Kenya. Lying next to the Indian Ocean, it has a major port and an international airport. The city also serves as the centre of the coastal tourism industry....

, and a turnaround at Beira

Beira, Mozambique

Beira is the second largest city in Mozambique. It lies in the central region of the country in Sofala Province, where the Pungue River meets the Indian Ocean. Beira had a population of 412,588 in 1997, which grew to an estimated 546,000 in 2006...

). She then later sailed on the Indian trade

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 which was (London

London

London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

 to Tangier

Tangier

Tangier, also Tangiers is a city in northern Morocco with a population of about 700,000 . It lies on the North African coast at the western entrance to the Strait of Gibraltar where the Mediterranean meets the Atlantic Ocean off Cape Spartel...

, Malta

Malta

Malta , officially known as the Republic of Malta , is a Southern European country consisting of an archipelago situated in the centre of the Mediterranean, south of Sicily, east of Tunisia and north of Libya, with Gibraltar to the west and Alexandria to the east.Malta covers just over in...

, Port Said

Port Said

Port Said is a city that lies in north east Egypt extending about 30 km along the coast of the Mediterranean Sea, north of the Suez Canal, with an approximate population of 603,787...

, Suez

Suez

Suez is a seaport city in north-eastern Egypt, located on the north coast of the Gulf of Suez , near the southern terminus of the Suez Canal, having the same boundaries as Suez governorate. It has three harbors, Adabya, Ain Sokhna and Port Tawfiq, and extensive port facilities...

, Aden

Aden

Aden is a seaport city in Yemen, located by the eastern approach to the Red Sea , some 170 kilometres east of Bab-el-Mandeb. Its population is approximately 800,000. Aden's ancient, natural harbour lies in the crater of an extinct volcano which now forms a peninsula, joined to the mainland by a...

, Colombo

Colombo

Colombo is the largest city of Sri Lanka. It is located on the west coast of the island and adjacent to Sri Jayawardenapura Kotte, the capital of Sri Lanka. Colombo is often referred to as the capital of the country, since Sri Jayawardenapura Kotte is a satellite city of Colombo...

, Madras, ending at Calcutta). The Beira

Beira, Mozambique

Beira is the second largest city in Mozambique. It lies in the central region of the country in Sofala Province, where the Pungue River meets the Indian Ocean. Beira had a population of 412,588 in 1997, which grew to an estimated 546,000 in 2006...

 run took thirty-days while the Calcutta run took thirty-days. In 1924 the newly-married Duke and Duchess of York (later King George VI

George VI of the United Kingdom

George VI was King of the United Kingdom and the Dominions of the British Commonwealth from 11 December 1936 until his death...

 and Queen Elizabeth

Elizabeth Bowes-Lyon

Elizabeth Angela Marguerite Bowes-Lyon was the queen consort of King George VI from 1936 until her husband's death in 1952, after which she was known as Queen Elizabeth The Queen Mother, to avoid confusion with her daughter, Queen Elizabeth II...

) boarded her at Marseilles for their voyage to East Africa

East Africa

East Africa or Eastern Africa is the easterly region of the African continent, variably defined by geography or geopolitics. In the UN scheme of geographic regions, 19 territories constitute Eastern Africa:...

.