airplane /ˈer.pleɪn/ /ˈeəpleɪn/
aeroplane /ˈɛɹəplˌeɪn/ /ˈeəɹəplˌeɪn/
plane /pleɪn/ /pleɪn/
aircraft /ˈer.kræft/ /ˈeəkrɑːft/
