Northern Thunderbird Air Inc or NT Air is a Canadian charter airline and medevac service based in Prince George, British Columbia.

Prince George is a city in British Columbia, Canada, with a city population of 76,708 and a metro census agglomeration population of 89,490. It is often called the province's "northern capital". It is situated at the confluence of the Fraser and Nechako rivers. Prince George is mainly known for its manufacturing of several products such as machinery and plastic goods.