Answer: copters

AnswerCrossword Clue
COPTERSPolice vehicles
COPTERSWhirlybirds
COPTERSApaches and Comanches, e.g.
COPTERSEggbeaters
COPTERSAutogyros for short
COPTERSApaches and Comanches, for short
COPTERSWhirlybirds, for short
coptersCOPTER, a helicopter
coptershelicopter