The City Military Command says the drone can carry 80 to 120 kilograms to places cut off by floods or landslides. It also accepted a motorised inflatable boat.
Forty families left Gari village after a hill split open, a district road in Thuong Duc caved in, and stations up and down central Vietnam broke September rain records.
A grass-cutting trip in Quang Phu and a night of fishing near Tam Giang bridge ended the same way. Both happened in storm weather on a river that rises fast.
The city logged 4,251 cases by October 1, outbreaks nearly quadrupled, and 70% of tested samples were serotype D2. The rainy season has barely started.
From October 6 to 9, the city put troops on standby, handed school closures to local officials, and moved children out of a kindergarten in water over a meter deep.
A Sunday-morning downpour sent soil into homes in Tra Giap and buried the only road into a Nam Tra My village. No one was hurt, and the forecast isn't done yet.