Indonesian fires: twin helicopter crashes expose fragile safety margins

But those dangers extend beyond the skies, with volunteer firefighters on the ground describing inadequate protective equipment, scarce water supplies and peatland fires that can suddenly erupt beneath their feet.

On November 4, an Indonesian army Mi-17V5 transport helicopter carrying eight crew members crashed during a water-bombing mission over Central Kalimantan’s Tanjung Puting National Park. The army said it was investigating the accident, which killed three soldiers.