A dramatic video has captured the “terrifying” moment a huge RAF helicopter was spotted flying “very low” over the Kent coastline. The Boeing Chinook HC.MK 6 was seen in the sky over Sandwich earlier this evening. The aircraft, which can reach heights of 20,000 ft, was reportedly captured just less than 100 feet off the ground above the town. Residents noted the moment it flew over ahead. Speaking to KentOnline, one woman who witnessed the helicopter pass over Cambridge Avenue in the town said: “It didn’t shake the building, but the noise was terrifying.” Many took to social media to share the…