IS
Indeed, helicopter shots are a very obvious use of the Pool system. Not only is putting a helicopter up expensive but also it's not practical to have more than one hovering over the same location. AIUI sometimes Sky and the BBC will have one each which will take over from the other when refueling is needed
Those overhead images are usually pooled to other broadcasters, like Sky, ITN. It gets mentioned on Newswatch quite a bit: 'Why are the BBC wasting licence fee payer's money on sending out a helicopter'?
Indeed, helicopter shots are a very obvious use of the Pool system. Not only is putting a helicopter up expensive but also it's not practical to have more than one hovering over the same location. AIUI sometimes Sky and the BBC will have one each which will take over from the other when refueling is needed