When their marriage dissolved in 2002, Wicker took a break from wing walking.

Wing walking may look effortless, but the moves are hardly simple or without risk.

They're going to include things like wing walking and tank driving and I hope it will be the most fun year of my life.

Reporter: The art of wing walking makes the perilous look effortless.

The only remaining "formation" wing walking team in the world face an uncertain future as their sponsorship deal is due to run out.

They round off their adventure with some Swiss pant wrestling and a spot of wing walking.

Reporter: Wicker returned to the skies last week after recovering from a previous injury not related to wing walking.

See fantastic displays of wing walking, stunt flying and aerial barnstorming.

Charles Lindbergh, whose career in flight began with wing walking, was well known for stunts involving parachutes.

Family affair Fortunately, his mother jumped in to explain that wing walking is in the family blood.

"There are not a lot of people in the halls of the West Wing walking around kibitzing," he said.

Wing walking began in the 1920s in the barnstorming era of air shows following World War I.

Variations on wing walking became common, with such stunts as doing handstands, hanging by one's teeth, and transferring from one plane to another.

When his Army duty called him, he chose Hank Henry to continue wing walking with Ron.

Although it’s called wing walking, it’s really wing standing; once Tiger was strapped in, he couldn’t have walked anywhere if he wanted to.

Fairgrave began wing walking, learned to hang below the plane by her teeth, parachute, and "dance the Charleston on the top wing".

A wing walking stunt has gone wrong at an airshow in Dayton, Ohio, killing the pilot and stunt woman.

'I've always loved dancing and wing walking is like dancing in the sky, but it wasn't until I was 24 that I first joined.

Starting in airshows and barnstorming during the 1920s, wing walking is the act of moving on the wings of an airplane during flight.

She got back into wing walking in 2009 when she bought a new plane, Aurora, and re-entered the Airshow Circuit.

FAA spokeswoman Lynn Lunsford said the agency is often asked why wing walking is allowed.

Wing walking was seen as an extreme form of barnstorming, and wing walkers would constantly take up the challenge of outdoing one another.

On 1 May 1994, a visiting Tiger Moth lost engine power and crashed while performing a wing walking demonstration at Luskintyre.

In the immediate postwar years they became popular as crop dusters, sports planes, and for aerobatic and wing walking use in airshows.

Jim Bradley, Hank Henry, and Nour Jurgenson busted the boundaries of wing walking.