Borkum Riffgrund II OWF 
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List of last helicopters seen near/at Borkum Riffgrund II OWF| AW139 | 31567 | D-HHMH / HSO41A | HeliService International GmbH | |
| AW139 | 31312 | D-HHMR / HSO43C | HeliService International GmbH | |
| AW169 | 69033 | D-HHTJ / HSO51A | HeliService International GmbH | |
| AW169 | 69046 | D-HHFJ / HSO52A | HeliService International GmbH | |
| AW169 | 69163 | D-HTWA / HSO53C | HeliService International GmbH | |
| H145D2 | 20104 | D-HDSJ / NHC48B | Christoph Regensburg (DRF) |
