[Willi Vrielink]

Hello Roger,

I think you are searching Bordfunker Johan Ortmann:
* 21.08.1921
+ 21.04.1995

He came in 1941 to the 7./NJG 1 in Twente.
On 14.10.1941 Gfr. Erhard Bruhnke and Uffz. Ortmann make their first claim.
On 28.12.1941 Uffz. Ortmann participated with Oblt. Woltersdorf, III./NJG 1.
At the beginning for 1942 he flow with Gfr. Bruhnke and Oblt. van Hagenow. Then Lt. Werner Rapp was his new pilot. In August 1943 both were tranfer to the 5./NJG 5. Uffz. Ortmann flow with Lt. Rapp until the end of the war.
Uffz. Ortmann participated on 20 claims in 90 missions.

Source:
Coen Cornelissen
van Grasmat tot Fliegerhorst
Oldenzaal 1998
ISBN 906693090X

Best regards,
Willi Vrielink