KTB U-105
19 September
06:40 In ET68 proceeding SSE surfaced at economical speed.
06:45 To 25 meters for a submerged run while conducting hydrophone sweeps.
09:30 While back on surface to maintain battery charge, forced to dive by approaching aircraft.
Enemy is small twin-engine landplane, Lockheed type...
...who dives to attack just as we are leaving the surface.
09:30 Boat was rocked violently by explosion of bombs or low-set depth charges.
Incredibly, we seem undamaged.
09:35 Levelled boat at 60 metres and reduced revolutions for extended cruise submerged.
These damned aircraft are everywhere. A real flying circus of different types, but they are not clowning around!