sentences:  Press releases had been issued, but the police had not been informed.In Goa, India, during a ceremonial flypast to mark the silver jubilee of the Naval Air Squadron 315 in 2002, the wingtips of two Ilyushin aircraft brushed in mid-air, with the subsequent loss of a dozen lives.The incident raised questions as to the necessity of flypasts which, "although spectacular and entertaining, can be risky".