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.
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Jonathan Munro is giving evidence during the latest stage of a High Court trial in London.
But while he wasn't showing it, PC Tyler O'Hare was enjoying every minute of it.