The actor, who is a licensed pilot, said the terrifying moment happened after a "total electrical failure".
The Grease star became choked up as he paid tribute to his late friend and co-star.
From the Will Smith slap and the La La Land mix-up to some truly iconic fashion moments.
The late actor’s children announced her death at age 71 after a short battle with cancer.
John Travolta also remembered Kirstie as "one of the most special relationships I’ve ever had".
The pair played Danny and Sandy in the much-loved musical, and remained friends in the decades that followed.
The Saturday Night Fever has spoken about how the "storybook moment" came to be.
Catch up on the week in entertainment with Good Vibes Only, as we talk about a mischievous moment in Graham Norton’s childhood, Tom Jones’ shirt on The Graham Norton Show, John Travolta’s Miracle-Gro dance and the mega role that Michelle Pfeiffer passed on.
The actor throws it back to Grease as he and his daughter Ella put on a show in a new ad for ScottsMiracle-Gro.
The star, whose wife died in July, thanked his fans via Instagram for "supporting me in such an incredible way.”