Hi Brian,
The
Luftwaffe Lagebericht issued on 28 July 1940 states:
"Gesamtverluste (Flugzeuge) am 27.7.:
a) EIGENE: 1 Ju 87, 1 He 111, 1 Bf 110, 1 He 59 (Seenotflugzeug)"
Although more losses might have been reported later. No doubt others will know more.
Cheers,
Andrew A.
Air War Publications -
www.airwarpublications.com