Yes, but DITMAR KOEL was built 1935 by H.C. Stülcken Sohn
at Hamburg.

Not to forget sister DITMAR KOEL:
http://cuxpedia.de/index.php?title=Datei:Lotsenversetzer_Simon_von_Utrecht_und_Dietmar_Koel.jpg

Thanks Manfred.
KERSTEN MILES ( Yard 222 Union Gießerei, Königsberg )
had a 1927 built sister ( Union yard 227 ) SIMON VON UTRECHT.
Regards from Cuxhaven.

Pilot Tender ALTENBRUCH was built in 1927 by Köser & Meyer, Hamburg.
Gt 220, 35,25m x 6,96, 8-Cylinder MAN 4-stroke-Motor, 600 hp, 12 kn.
38- layed up due to instability in rough conditions
39- converted into minesweeper for Kriegsmarine
45- sank after hitting a mine, 15 crew lost
54- raised and broken up in Hamburg.

In the photo behind her is the Deepsea Pilot cutter KERSTEN MILES, built in 1926 at Königsberg.

Rgds, Manfred