M. L. Buchman 
Wild Fire [EPUB ebook] 

-a Firehawks romance-
When Gordon Finchley crashes his wildland firefighting helicopter through burning trees into a remote lake. He knows he’s toast.
Moments later, when newly-arrived Ripley Vaughan nearly slices him in two with her massive Erickson Aircrane helicopter, he discovers a whole new reason to fly.
In this riveting wrap-up to the Firehawks series, the entire Mount Hood Aviation heli-attack squad needs all their skills to not get burned by the Wild Fire.