Stunning video shows the moment a roller coaster rider in Arizona made the quick decision to climb out of his seat — right before the coaster was about to make a big drop — after he says his safety bar came loose.

A man whose roller coaster safety bar became unlatched said, 'I had mere seconds to act on whether I stayed on or got off.'

An Arizona man made a split-second decision on a roller coaster that he said may have saved his life. The man, who did not want his name used, jumped from a moving roller coaster seat just before the cars went down a large drop. The man was riding the double loop coaster called the Desert Storm at Castles N’ Coasters park near Phoenix on Nov. 24.

An Arizona man claims he narrowly avoided a scary incident at the Castles N’ Coasters amusement park in Phoenix, Arizona after his safety latch came loose on Sunday, Nov. 24

PHOENIX — An Arizona man said he climbed out of a moving roller coaster after the safety bar became unlatched. The man asked 12News not to identify him, but shared cell phone video capturing the incident. The man said he was celebrating his niece's birthday at Castles N' Coasters in Phoenix last Sunday when the terrifying incident happened.