Refer to the input text as context and select the correct relationship between 'Airbus' and 'aircraft' from the available options.
Options: distribution format, owned by, product/material produced, member of

Airbus has invested €30m (£20.9m) in a new loading dock at its plant in Wales, which will allow the company's distinctive Beluga cargo aircraft to transport wings to assembly plants in Europe in all weather conditions.
product/material produced