off de Koog 
|
List of last helicopters seen near/at off de Koog| AB139 | 31030 | PH-SHK / HNL25C | CHC NL | |
| AW139 | 31245 | OY-HJL / BBX15A | Wiking Helikopter Service GmbH | |
| AW139 | 31480 | OY-HVB / BBX15A | Bel Air Aviation | |
| AW139 | 31411 | OY-HML / BBX57A | Bel Air Aviation | |
| AW139 | 31387 | PH-EUE / HNL05A | CHC NL | |
| AW139 | 31072 | PH-EUA / HNL05A | CHC NL | |
| AW139 | 31099 | PH-SHP / HNL07A | CHC NL | |
| AW139 | 41513 | G-NHVP / NHZ02B | NHV UK | |
| AW139 | 31704 | G-NHVC / NHZ24 | NHV UK | |
| AW189 | 49108 | OY-HSE / BBX57A | Bel Air Aviation | |
| AW189 | 89015 | PH-SAR / NCG06 | Kustwacht Nederland | |
| AW189 | 92009 | PH-BSR / RSQ06 | Kustwacht Nederland | |
| EC175 | 5009 | PH-OSF / HHE65A | Heli Holland | |
| EC175 | 5042 | OY-HRV / NHD202 | NHV Esbjerg | |
| NFH | 1325 | N-325 / NEPTN15 | vsq 860 |
