No, there are many more planes flying for longer periods than helicopters.
From Chicago's O'Hare International Airport to Tampa International Airport, there are approx. 2.25 flying hours.
1 hour
250000000000000 million
Military people, flying anbulance people, air lines, power line surveyors and many others.
3000
4 hrs, 15 min.
About 3 hours
945 miles
17 hours
Many police stations have helicopters. Many do not have helicopters, because they probably can not afford to buy or lease one.
Yes, many helicopters have radar.