January 20th 1942 made testflights on Lake Boden in Southern Germany.
Transferred to Seenotstaffel 9.
April 1st 1944 made a 4 landingtests from List auf Sylt. Among the crew pilot Kruse and mechanic Günter Kliesch. The data were as follow:
| take off | landing | time | km flown |
| 16:02 | 16:08 | 0:06 | 24 |
| 16:09 | 16:13 | 0:04 | 16 |
| 16:14 | 16:17 | 0:03 | 12 |
| 16:18 | 16:22 | 0:04 | 16 |
April 3rd 1944 made 8 landingtests from List auf Sylt. Among the crew pilot Kruse and mechanic Günter Kliesch. The data were as follows:
| take off | landing | time | km flown |
| 09:08 | 09:12 | 0:04 | 16 |
| 09:13 | 09:16 | 0:03 | 12 |
| 09:17 | 09:20 | 0:03 | 12 |
| 09:21 | 09:24 | 0:03 | 12 |
| 09:25 | 09:28 | 0:03 | 12 |
| 09:28 | 09:31 | 0:03 | 12 |
| 09:31 | 09:34 | 0:03 | 12 |
| 09:34 | 09:37 | 0:03 | 12 |
