Other possible positions include motorman, machinist, electrician, refrigeration engineer and tankerman. The conductor will use the buzzer to notify the motorman that the train can proceed. Each PATH train operates with a two-person crew consisting of a motorman and conductor. The motorman said he was "sick of seeing that policeman with his arm raised". The motorman, Paul Kelly, realizing the error, braked quickly. Newson was known by his colleagues as a careful and conscientious motorman (driver). The trains carried a stand-by motorman during the six-month trial period. He was squadron leader of "B" squadron in 1972 on Operation Motorman in Ulster. A few hours after the conclusion of Operation Motorman, the Claudy bombing occurred. This all existed until Operation Motorman in July 1972. The British Army claims to have curbed the IRA insurgency by 1972, after Operation Motorman. The British Army claims to have curbed the IRA [[insurgency]] by 1972, after Operation Motorman. A jury later declined to find the motorman guilty of wrongdoing. Loughran was one of seven children of an Irish immigrant motorman.