Hurricanes of 43 Sqn. take off from Wick to intercept German aircraft heading for Scapa Flow. Estimates vary - at least 24 raiders. 8.20pm Orkney: Air Raid Warning RED
OSDef HQ (Stromness Hotel) - CO Brigadier Kemp very unwell - has spent day in bed but "got out by raid 8.15. Dressed and saw whole show."