There were about 15 raids in the Thames Estuary - Harwich area, many of which are suspected of minelaying. One raid made an attack on Manston Aerodrome in the vicinity of which bombs were dropped, but no serious damage has been reported. Several raids appeared north of Harwich as far as Aberdeen and minelaying is suspected at various places along the coast including the Hull area, Firth of Forth and a number of aircraft crossed to the Firth of Clyde, presumably minelaying. Bombs are reported dropped north west of Kilmarnock and Abbotsinch. It was seen to fall into the sea in flames near Harwich.
AA claims one bomber confirmed in above totals.
Catterick and Dyce aerodromes are unserviceable during the hours of darkness. Air Intelligence Reports None. During the 19th July, enemy aircraft activity was again confined to almost entirely to coastal areas. With the exception of an attack on Glasgow, there is little to report. No damage was caused.