A volunteer pilot known for helping transport rescue animals to shelters died in a plane crash in the Catskill Mountains in New York on Sunday while transporting three dogs to a no-kill shelter.

Rescue workers trekked overnight across a remote mountain forest carrying a woman who had survived a crash that killed five of the six people aboard.

SAN JOSE, Costa Rica -- The sole survivor of a plane crash near Costa Rica’s capital, in which five other people died, is in serious condition in a hospital, the local Red Cross said on Tuesday. The 31-year-old woman was one of six people on board the small aircraft when it crashed southeast of San Jose.

A volunteer pilot flying three rescue dogs to a care facility in upstate New York died along with one of the dogs after his plane crashed in the state's Catskill Mountains, according to officials.

Friends of Susan "Sue" Wolber are mourning her loss after her plane suddenly crashed, killing two and injuring one.

Seuk Kim was flying three dogs from Maryland to Albany, New York, when the plane crashed in the snowy woods of the Catskill Mountains, officials said.

A pilot known for transporting rescued dogs to shelter and care facilities died alongside a canine in a plane crash in New York state's Catskill Mountains on Sunday, authorities said.