<text>  A Russian airline UTair . Boeing 737 plane, carrying 78 passengers plus crew, . has requested an emergency landing at the Pulkovo airport in St Petersburg, the company and a Russian aviation source said on . Wednesday. The source said one of the planes engines had failed and . that the plane had been due to land at 12:25 pm 0925 GMT. The emergency landing was carried out after the transmitter went off, signalling the right engines failure, a source told RIA Novosti news agency. Russias Emergencies Ministry said it could not immediately . comment. Near miss: The flight path of the Russian Boeing 737 that carried out an emergency landing at St Petersburgs Pulkovo airport after the starboard engine reportedly cut out . Fear: A Boeng 737 similar to the aircraft pictured, but belonging to the UTair airline rather than Hainan Airlines, has requested an emergency landing at Russias Pulkovo airport inSt Petersburg . 