Take context from the input text and decide on the accurate relationship between 'Airbus' and 'aircraft' from the options provided.
Options: developer, founded by, distribution format, product/material produced

Test pilot and designer Didier Esteyne landed Airbus Group's E-Fan 1.0 plane in the French port of Calais on Friday after flying the 74 kilometres from Lydd in south-east England in 37 minutes, setting a "milestone for the all-electric aircraft technology," the company said.
product/material produced