( CNN ) -- A Boeing 767 on a flight from Newark , New Jersey , made a dramatic emergency landing at Warsaw , Poland 's Frederic Chopin International airport Tuesday after problems with its landing gear , an airport spokeswoman said . All the passengers on the flight , from Newark Liberty International Airport to Warsaw , are safe and uninjured , she told CNN . Newark Liberty serves the greater New York area . The LOT Polish Airlines flight , which had been due to land at 1:35 p.m. local time , circled above the airport for an hour before coming down in a belly landing at 2:40 , she said . `` After noticing a central hydraulic system failure the standard procedure for emergency landings at Warsaw airport were implemented , '' LOT said in a statement , saying emergency crews were in place on the ground to assist . Video footage from the scene showed the plane coming in to land without its wheels down and skidding along the tarmac to a halt . Emergency vehicles raced toward the aircraft and appeared to hose it down as passengers disembarked . There were 231 people aboard the flight , 220 of them passengers and 11 crew , the airline said . The passengers `` stayed calm '' during the emergency landing , and after reaching the terminal were cared for by support staff and psychologists , the airline said . They are being allowed to go home after a medical examination and a brief police interview , it added . Other travelers face significant disruption . The airport will remain closed until at least 8 a.m. local time Wednesday because the damaged aircraft is blocking the runways , an airport spokesman told reporters . LOT said all its flights scheduled to leave later Tuesday have been canceled . Incoming flights have been redirected to other airports in Poland , it said , and passengers will be brought from there to Warsaw . The airport is Poland 's busiest , handling almost half its air passenger traffic with about 100 scheduled flights a day , the airport 's website says . LOT , the Polish flag carrier and one of the world 's oldest airlines , is currently offering special deals on flights from the New York area to Warsaw . In 2010 , it carried more than 4.5 million passengers , nearly three-quarters of whom were on international flights , its website says . The airline said it aims to offer quality of service and value for money . CNN 's Antonia Mortensen contributed to this report .
NEW : Newark 's main airport will remain closed at least 8 a.m. . The passengers `` stayed calm '' during the emergency landing , the airline says . The plane was carrying 11 people from Warsaw to Warsaw . It landed on its belly after problems with its landing gear .