Of course, my high score may be distorted through the lens of childhood nostalgia since I haven't seen this series since I used to watch it after school back in the 60's, but it seems like it could have been at least part of the inspiration for "Emergency!" which ran in the 1970's. Of course, Emergency! was a TV series about two paramedics, friends as well as colleagues, that respond to all sorts of emergencies back when the paramedic program was in its infancy. Whirlybirds was about two helicopter pilots, friends as well as colleagues, who respond to all kinds of emergencies when the helicopter was first being used for difficult rescues and the tracking and pursuit of criminals.
If this ever came out on DVD I'd buy the entire series in a moment. From what I remember it was not repetitive at all with all kinds of people in distress in all types of situations being rescued by these guys. Plus they were very effective at chasing the bad guys with their "birds' eye view". Highly recommended and fondly remembered.