Flight Crew Jump Rope perform on America's Got Talent 2014 (VIDEO)

Flight Crew Jump Rope performed on America's Got Talent 9 Quarter Finals #1 on Tuesday, July 29, 2014.

The performance was held live at Radio City Music Hall in New York City.

The judges loved the precision act.

"I loved that you stepped it up big for the big show," said judge Howie Mandel.

"That was off the chain," said judge Mel B. "You energy... I could not stop smiling."

"I loved it," said Heidi Klum. "You guys were very entertaining."

"Great night for the live opening shows," said Howard Stern. "Anything can go wrong with a precision act. Nothing went wrong it was perfection."

The results of the Quarter Finals #1 will be revealed on Wednesday, July 30, 2014.

Watch the performance video here: