Two British nationals, who were arrested on the charge of recording conversations between pilots and Air Traffic Control in Delhi, left India Yesterday. <br/> <br/>Steven Martin Ayris and Stephen Hampston were apprehended by security agencies from a five star hotel near the Indira Gandhi International Airport on February 15 after the hotel staff reported to police that they were indulging in "suspicious activities". <br/> <br/>The security agencies later found that that plane- spotting was their hobby. The agencies found that with the help of equipment seized from them, they could only listen to conversation but neither interfere in it nor further transmit. <br/> <br/>The duo was released on March 5 by a local court, which accepted their admission of guilt and imposed a fine of 25 thousand rupees on each.<br/>