Hi Dario,
a quick answer ...
The person you looking for ...
Walter Friedensburg
*06.01.1889 Berlin
+22.03.1959 Kassel
His flying career started in mid 1913 with the Marineflieger-Abteilung.
In WW1 he was CO Marineflugstationen Stralsund & Norderney
In 1926 he was a Pilot for Deutsche Lufthansa
1.11.1926 - 1.3.1929 Junkers Generalvertreter in Santiago de Chile & Valparaiso
same time as instructor for the chilenische Armee & Marine-Flugwesen
Last rank in 1941 Generalleutnant
bye
Hal