A PASSENGER has captured the terrifying moment a window on the plane he was travelling on CRACKED, sparking panic onboard. TikTok user Tristan was flying onboard a Poland Airlines flight from Warsaw, Poland to New York‘s John F Kennedy Airport when the horror incident took place. TwitterA plane window cracked mid-air at 10,000ft[/caption] TwitterIt sparked panic on board the Polish Airlines flight[/caption] The terrifying flight took place on August 20 just as the plane started its descent from 10,000ft. In the clip, which has been viewed more than four million times on the video-sharing platform, one of the passenger windows can be seen covered in cracks. All three passengers who were sat by the window hurriedly get out of their seats, while a woman screams for the flight crew to help. One member of airline crew can be seen picking up an onboard phone, as a safety message is delivered to passengers. READ MORE AVIATION NEWS PLANE HELL I feared I'd die as passenger screaming 'See you in heaven' tried to open door HIGH SPEED Inside 'Son of Concorde' jetliner that will cross the Atlantic in under 4 hours The window cracked as it made its descent into JFK, The Aviation Herald reports. It reports that the plane, a Boeing 787-8, was some 300 nautical miles northeast of New York when passengers noticed the window had cracked. Polish Airlines reported that the electrophotochromatic layer used to darken the window was damaged. However, it insisted that the tightness of the window itself was not affected. Most read in News WORST NIGHTMARE Shocking moment stranger snatches baby from trolley in supermarket YOU WILL BE CAUGHT Olivia gunman still on loose as cops warn 'we WILL find you' PARK HORROR Woman ‘raped in horror attack in park near playground' as man arrested FREAK OUT My neighbour keeps banging my door - I checked camera & what I saw was terrifying DEATH PLUNGE Brit woman, 58, on mobility scooter dies after falling from cliff in Benidorm STREETS OF RAGE Shocking moment hooded thugs wielding 4ft MACHETES brawl in street The aircraft landed safely and was dispatched for its return flight to Warsaw, where the window will be replaced. It comes just months after another Polish Airlines passenger spotted burns and scorch marks on the side of the plane, sparking a mid-air emergency. The Boeing 787 was travelling from Seoul Incheon International Airport in South Korea to Warsaw when the passenger made the horrifying discovery. Crew noticed a burning smell and declared Mayday, as emergency services were scrambled for landing. One of the dimmable passenger windows in the plane’s economy section showed signs of burning, while a photograph obtained by The Aviation Herald showed how the interior of the window appeared to have started to melt. The windows in question are made up of two pieces of glass with a special gel sandwiched in between. Read More on The Sun 'sweaty one' Maisie Smith shows off her incredible abs in late night gym session EYES ON THE PRIZE I bought the sold out Primark brow pencil - some say I took too many This gel has an electric current running through it, which can be increased or decreased by the passenger to change the dimming setting. The Sun Online has approached Polish Airlines and Boeing for comment.