Answer: copters

AnswerCrossword Clue
COPTERS

Police vehicles

COPTERS

Whirlybirds

COPTERS

Apaches and Comanches, e.g.

COPTERS
Eggbeaters
COPTERS
Autogyros for short
COPTERSApaches and Comanches, for short
COPTERSWhirlybirds, for short