[BIG TYKE]

I have taken a look at the raid details in AIR14/3411

I found the map with the black flags and indeed it shows a flag over Schiermonnkoog.
Not sure how this relates but in the narrative under Alternative targets:

10 a/c dropped their loads in the area's of - Hildesheim, Neustadt, Springe, Emden (2), Groningen, Loningen, Dokkun, Schiermonnkoog & Vlieland.

The a/c that attacked Schiermonnkoog was a Lanc from 5 Group. It jettisoned
1 X 4000, 1560 X 4 & 80 X 30 incendaries. The reason for this appears to have been mechanical defect that prevented the attack on the primary target.

So does the black flag relate to this a/c attacking the Island? Or would this be a combat report?
Not sure which a/c was involved but the main track for the outward route is shown crossing Schiermonnkoog which could mean that the problem the a/c had happened before reaching the target.

In the 61 Sqn ORB for that night one of their lancs ED314 returned early as the Port Outer was U/S and jettisoned 1 X 4000 HC at 53.42N - 02.18E. Not sure if I plotted this correctly, help may be needed, but it shows it in the middle of the North Sea.

Also from 428 Sqdn Halifax V LK906 NA-D reported that their Port Outer supercharger was U/S and jettisoned their bombload at 54.13N - 03.26E at 20.24pm. Again this a/c returned safe but help with the plotting please.

Of the 38 attacks on a/c, 22 occurred within 20 miles of the target on the return & 8 over home bases.

So, the German report seems to relate to an outward bound a/c unless other squadron's take off time was much earlier that 61 & 428 Sqdn's. The return of aircraft from those two was roughly 1am at base.

Nick