55°30′59″N 4°36′10″W / 55.5164°N 4.6028°W
Orangefield House, previously known as 'Monkton House', was located near the village of Monkton, Ayrshire in the Parish of Monkton and Prestwick in South Ayrshire, Scotland; the settlement borders upon Glasgow Prestwick Airport, for which it served for a while as the control tower.