The group recorded martyrdom videos at a flat in Walthamstow, east London.
Abdulla Ahmed Ali singled out seven flights to San Francisco, Toronto, Montreal, Washington, New York and Chicago that departed within two-and-a-half hours of each other.
If successful, the explosions could have exceeded the carnage of the September 11 attacks, his trial heard.
He was sentenced to life.
More top news
A new mansion on The Bishops Avenue in Hampstead has been bought for £33.7m.
London's mayor has launched a campaign to inform Londoners about tips to cope with air pollution.
Three-quarters of Londoners think their area is undergoing a housing crisis, according to a poll from the Chartered Institute of Housing.