[Seaplanes]

To anderzej:
The two accidents you are looking for are:
11.09.39 1./706 He 114B W.Nr. 2543 100% at Putzig. Following a sortie against polish infantry at Grossendorf, the aircraft was hit in the control system by light ground-fire causing the pilot to loose control during landing at home base.
Lt.z.See Kapitzki (B) slightly injured
Uffz. Nowack (F) slightly injured

17.09.39 1./506 He 114B W.Nr. 2571 100% Pillau. The aircraft crashed during landing with tailwind having completed a flight from Putzig. No casualties.

Regarding the use of He 114 during the autumn and winter of 1939, such aircraft were issued as extra in certain Staffeln. I have no full inventory for the Polish campaign, but to give you an idea, the situation was a follown on 07.10.39:
1./306 at Norderney 10 He 60, 3 He 59 and 8 He 114.

1./506 at Dievenow 11 He 60, 10 He 114 4 He 111 (This Staffel was to be converted to He 111J as part of Gruppe 806.)

1./706 at Nest 10 He 60, 8 He 114 and 3 He 59.

Bordfl.Staffel 1./196 Wilhelmshaven 12 Ar 196 and 3 He 114

Bordfl.Staffel 5./196 Kiel-Holtenau 10 He 60 but received 3 He 114 shortly afterwards.

The Stabs-flights of The Gruppenstäbe varied considerably.
Stab Gruppe 106 had no aircraft at all.
Stab Gruppe 306 had 1 He 60 and 1 He 59.
Stab Gruppe 406 had no aircraft.
Stab Gruppe 506 had 1 Ju 52 and 3 He 59.
Stab Gruppe 706 had 1 Ju 52.