sentences:  Following economic revival during that decade's second half, British Caledonian regained its financial stability, enabling it to expand again and to become profitable.On St. Andrew's Day (30 November) in 1970, Caledonian Airways acquired British United Airways (BUA) from British and Commonwealth (B&C) for £6.9 million.Caledonian Airways also purchased three new BAC One-Eleven 500 aircraft, which B&C had leased to BUA, for a further £5 million.