The Main Cargo Hold of a Boeing Co. 747-8 Freighter

The Main Cargo Hold of a Boeing Co. 747-8 Freighter

SeongJoon Cho/Bloomberg

The main cargo hold of a Boeing Co. 747-8 freighter. he shift to so-called belly cargo has accelerated since oil prices topped $100 a barrel and the global recession in 2008 sent shocks through the airfreight market, according to data compiled by the International Air Transport Association trade group.