How to move 155 tons 3,000 km in four hours

It's the heaviest item ever airlifted in the Americas. A specially designed ABB transformer weighing 155 tons has been flown 3,000 kilometres from Brazil to Chile to reach a customer – a logistical first which called for careful planning and millimetre-perfect design. The three-phase transformer will help provide power to more than 65,000 Chilean households.