Airbus Helicopters' H135 is efficient in terms of CO2 emissions, and is quiet too. The programme for the type has been running for more than two decades, and now the 1,400th unit has arrived to provide French HEMS.

CMBH, launched in 1992, is based at the foot of the glacier of Argentiere in the middle of the solid mass of Mont Blanc. But Pascal Brun believes the Ecureuil can help Chamonix Mont Blanc Helicopteres overcome challenges at the highest level.