Utilize the input text as a context reference, choose the right relationship between Airbus Group and Aviation from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Planemaker Airbus Group SE and aircraft lessor Intrepid Aviation Ltd are the biggest creditors to Skymark, which ran into financial trouble after embarking on an ambitious expansion that included buying Airbus A380 jumbo jets.

Answer: industry