MV Harpa was an oil tanker of the Anglo-Saxon Petroleum Company (later Royal Dutch/Shell

Royal Dutch Shell

Royal Dutch Shell plc , commonly known as Shell, is a global oil and gas company headquartered in The Hague, Netherlands and with its registered office in London, United Kingdom. It is the fifth-largest company in the world according to a composite measure by Forbes magazine and one of the six...

)
and was in service with the British Merchant Navy during World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

.

Bombing

Bombed 22nd December 1941 at Port Swettenham, with the loss of 4 engineering officers:

Cheras Road Civil Cemetery (Malaysia)

Name	Rank	Age
BOYACK, THOMAS B.	Fifth Engineer Officer	26
VAN VUUREN, JAN	Fourth Engineer Officer	28
WIDDAS, GORDON	Chief Engineer Officer Chief Engineer In marine transportation, the chief engineer is a licensed mariner in charge of the engineering department on a merchant vessel. "Chief engineer" is the official title of someone qualified to oversee the entire engine department; the qualification is colloquially called a "chief's...	43
WOODBRIDGE, L H J	Third Engineer Officer	22

Sinking

Was sunk by a British seamine in Main Strait, Singapore† en route to Batavia with a full cargo of aviation spirit on the 27th January 1942 with the loss of 7 British officers, 2 Royal Navy DEMS

Defensively Equipped Merchant Ships

Defensively Equipped Merchant Ship was an Admiralty Trade Division program established in June, 1939, to arm 5,500 British merchant ships with an adequate defence against enemy submarines and aircraft...

 gunners and 25 Chinese crew:

Tower Hill Memorial (London)

Name	Rank	Age
CAMPBELL, WALTER DOUGLAS	Chief Officer Chief officer A chief officer can refer to any of various leaders:In the military, it can refer to certain non-commissioned members:*Chief Petty Officer*Chief Warrant OfficerMarine occupation:*Chief Mate...	38
HOWARTH, CHARLES ALEXANDER	Master	42
MILES, ROLAND CHARLES VICTOR	Second Officer Second Officer Second Officer may refer to:*Second Officer , a civilian aviation rank*Second Officer , a merchant marine rank*A naval rank in the Women's Royal Naval Service*A billet in the Star Trek universe...	27
MITCHELL, DOUGLAS CHARLES STEWART	Radio Officer	27
McEWAN, THOMAS	Fourth Engineer Officer	26
RUSSUM, REX GELDARD	Third Officer Third Officer Third Officer may refer to:*Third Officer , a rarely used rank in civil aviation companies*Third mate, a merchant marine rank*A rank in the Women's Royal Naval Service corresponding to Sub-Lieutenant in the Royal Navy...	23

Kranji War Cemetery (Singapore)

Name	Rank	Age
GRANT, ALEXANDER HOPE GORDON	Chief Engineer Officer	42

Book of Remembrance (NUMAST)

Name	Rank	Age
DIXON, JONATHAN	Able Seaman R.N.	22
RITCHIE, GEORGE WILLIAM	Able Seaman R.N.	27

Hong Kong War Memorial

Name	Rank	Age
AH WONG	Sailor	35
CHEONG TEE	Fireman's Boy	21
CHIA SEE FONG	Chief Steward Chief Steward A chief steward is the senior unlicensed crew member working in the Steward's Department of a ship. Since there is no purser on most ships in the United States Merchant Marine, the steward is the senior person in the department, whence its name...	53
CHOW FATT SOON	Sailor
CHOY NAM	Donkeyman
CHUNG KAM	Fireman	29
FOO SUAN YEE	Boy	24
GOH MOH WEE	Mess Room Boy
HO CHAN	Carpenter	43
HO KEE ANN	Chief Steward Chief Steward A chief steward is the senior unlicensed crew member working in the Steward's Department of a ship. Since there is no purser on most ships in the United States Merchant Marine, the steward is the senior person in the department, whence its name...
HO KEE WEE	Chief Cook Chief Cook A chief cook is a senior unlicensed crewmember working in the steward's department of a merchant ship.The chief cook directs and participates in the preparation and serving of meals; determines timing and sequence of operations required to meet serving times; inspects galley and equipment for...
HONG KUM	Fireman	36
KWAN MUI	Cook	51
KWONG WAH	Fireman	31
LAM FANG	Fireman
LAU HAU	Boy	23
LAY YAU	Fireman	31
LE AH SING	Storekeeper	33
SIE KAY POH	Quartermaster Quartermaster Quartermaster refers to two different military occupations depending on if the assigned unit is land based or naval.In land armies, especially US units, it is a term referring to either an individual soldier or a unit who specializes in distributing supplies and provisions to troops. The senior...	23
TAY CHAN	Fireman	36
TEAN YIT	Cook
TING AH TAY	Quartermaster	34
TING EE CHING	Boy	35
WONG CHIN	Cook	31
YU SHUN	Quartermaster

†Tom Simkins MBE, Chief Radio Officer of SS Pinna, stated the sinking to be in the Rhio Strait (now Riau Strait, between Batam and Bintan Islands).

Sources

• Harpa and Pinna
• Another Door Part 1: War in the Far East