LifeStar was called to a crash involving a pedestrian in Tolland on Wednesday morning.
The accident happened around 8:45 a.m. on Kozley Road.
Police say a car veered across the road and struck a woman who was walking on the opposite side of the street.
The woman, identified by police as 50-year-old Seema Kohli, of Tolland, was flown to Hartford Hospital with serious injuries.
The driver of the car remained at the scene, police said.
Anyone who may have witnessed the incident is asked to call State Police Troop C in Tolland.
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