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In the night of 31 January and 1 February 1953 many dykes broken. This happened through a combination of spring tide and a northwest storm. In this night more than 165.000 hectare land covered with sea water. On 1 February operation watersnood flood disaster started.  |
Units | Login to Edit | |
| Dates | Rotary Wing Aircraft Unit | Models |
| 01feb53 to 17feb53 |  vsq 8 Marine Luchtvaartdienst | S-51 / R-5 / H-5 S-55 H-19 |
| 02feb53 to - |  705 Squadron Fleet Air Arm | UH-12B HTE-2 dragonfly S-55 H-19 S-55 H-19 dragonfly |
| 05feb53 to 09feb53 | Aeroplane & Armaments Experimental Establishment Ministry of Defence (MoD) | |
Some of the units could be operating fixed wing aircraft at the time, check every unit for details
Individual helicopters |  | |
| Model | IDs |
| Westland Dragonfly HR.3 | WG669 WG671 WG725 WG748  |
Ships | Login to Edit | |
| Classes | Ships | |
