Minute from WSC [First Lord of the Admiralty], to the Secretary [Sir (William) Graham Greene] and the Director of the Intelligence Division [Captain (William) Reginald Hall], on the searchlight on the roof of Sir Arthur Bignold's house overlooking a fleet anchorage. WSC asks for a report on Bignold, his guests, friends and servants, and rumours of aircraft activity in the area. [Carbon; Bignold had houses at Loch Rosque castle, Ross-shire, Scotland, Strathbran Lodge, Dingwall, Ross and Cromarty, and Cabuie Lodge, Achanalt, Ross-shire].