[1] In 1910, as a naval cadet, he was awarded the Royal Humane Society's bronze medal for saving life from drowning.

[1] From 1919 to 1926 Wyatt was engaged in surveying, mainly in Australia and the Torres Strait, with a period working on the east coast of England and the Thames Estuary.

[1][2] In 1932-1934 Wyatt commanded HMS Challenger, surveying the coast of Labrador, and working in the West Indies in the winter.

He published a detailed account of the surveying work in Labrador, in a largely uncharted area with many islands and rocky narrow channels, frequent fog, and icebergs.

Peparing a baseline for triangulation involved considerable levelling and infilling of swamp, releasing mosquitoes so numerous that they covered large areas of the men's bodies.