Michal,
This may address your item -
17 Apr 1942 – Ju 88 of 3.(F)/122 (F6+BL) flew the early morning east coast sortie towards Flamboro’ Head. This aircraft reported sighting a convoy of 30 ships off Colne Point (possibly FS 77) and was intercepted by Spitfires from Martlesham it was compelled to return to base, landing at Schipol at 06.10 hrs Z. (HW13/98 Salu 451 (West))
From
https://www.luftwaffedata.co.uk/inde...2#cite_note-22