rescue plane; evacuation plane; humanitarian aid aircraft
Refers to an aircraft used for rescue, evacuation, or humanitarian aid missions. Often used in news or military contexts.
The rescue plane delivered emergency supplies to the disaster area.
The government dispatched an evacuation plane to evacuate the isolated residents.
Compound of 救援 (rescue, relief) and 機 (aircraft). The exact historical derivation is uncertain, but the word follows a common pattern for naming specialized vehicles.