This is the 10448th most frequent Russian word.
вертолетов
The word "вертолетов" means "helicopters" (genitive plural) in English.
Used as a noun in the genitive plural form to indicate multiple helicopters.
Во время учений в небе кружили несколько вертолетов.
During the exercises, several helicopters were circling in the sky.
Used as a noun in the genitive plural form to represent the presence of modern helicopters.
На выставке представлено множество современных вертолетов.
The exhibition featured many modern helicopters.
Used as a noun in the genitive plural form to specify the type and era of helicopters in historical context.