Archibald Day

He was promoted to Lieutenant on 15 August 1919, and in 1920 began survey work, serving on HMS Endeavour on the north coast of Egypt.

[8] In November 1944, Day took over command of HMS White Bear, a yacht converted for surveying, and carrying printing equipment and staff.

[3]: 174–175  After the Japanese surrender, White Bear conducted surveys around the Malay Peninsula and in Indonesia, to assist re-establishment of normal navigation.

[8] After the war, Day resumed his position as Assistant Hydrographer, and then in February 1948 took command of HMS Dalrymple, newly commissioned as a survey ship, working in the Mediterranean.

As Hydrographer, Day collaborated with the Decca Navigator Company to develop electronic systems for surveying using transportable shore stations.

[8] After retirement, Day led a small team to carry out a hydrographic survey of Lake Nyasa[11] In 1956 he was appointed coordinator of the International Geophysical Year, based in Brussels, but travelling extensively to facilitate the work of scientists from many countries that were taking part.

Fair chart of Kyrenia, surveyed by Day in HMS Ormonde in 1934 [ 5 ]
Chart of Akyab (now Sittwe ) Harbour surveyed by Day in White Bear in 1945