A Dutch airline passenger told The Post how he leapt into action when an alleged Muslim terrorist tried to blow up a Detroit-bound airliner packed with 300 people just moments before landing.

Chaos erupted as alleged terrorist Umar Farouk Abdul Mutallab, 23, tried to set off a sophisticated explosive device strapped to his body.

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“Suddenly, we hear a bang. It sounded like a firecracker went off,” said Jasper Schuringa, a film director who was traveling to the US to visit friends.

“When [it] went off, everybody panicked … Then someone screamed, ‘Fire! Fire!’”

Schuringa, sitting in seat 20J, in the right-most section of the Airbus 330, looked to his left. “I saw smoke rising from a seat … I didn’t hesitate. I just jumped,” he said.

Schuringa dove over four passengers to reach Abdul Mutallab’s seat. The suspect had a blanket on his lap. “It was smoking and there were flames coming from beneath his legs.”

“I searched on his body parts and he had his pants open. He had something strapped to his legs.”

The unassuming hero ripped the flaming, molten object — which resembled a small, white shampoo bottle — off Abdul Mutallab’s left leg, near his crotch. He said he put out the fire with his bare hands.

Schuringa yelled for water, and members of the flight crew soon appeared with fire extinguishers. Then, he said, he hauled the suspect out of the seat.

“I took him in a choke to the first class and all the people were like, ‘What’s going on?!”

“I don’t feel like a hero,” Schuringa told the Post as he recuperated with pals. “It was something that came completely natural … It was something where I had to do something or it was too late.”