911-7709 - Workers in the offshore industry practise helicopter ditching evacuation as part of an industry training course, Billingham, Teesside, England, United Kingdom, Europe
911-7707 - Workers in the offshore industry practise helicopter ditching evacuation as part of an industry training course, Billingham, Teesside, England, United Kingdom, Europe
911-7705 - Workers in the offshore industry practise helicopter ditching evacuation as part of an industry training course, Billingham, Teesside, England, United Kingdom, Europe
911-7706 - Workers in the offshore industry practise helicopter ditching evacuation as part of an industry training course, Billingham, Teesside, England, United Kingdom, Europe