A search is underway in a "steep and treacherous" area north of Mount Seymour after Carson Air Flight 66 went missing on Monday (April 13).

The airplane had left Vancouver International Airport bound for Prince George, and had two pilots on board.

"As of last evening, searchers located debris belonging to the missing plane. The area being searched, approximately 5 km north of Mount Seymour, has fresh snow and is steep and treacherous. The main fuselage, cockpit or pilots have not been located," North Vancouver RCMP said in a news release this morning (April 14).

"As of Tuesday morning, April 14, 2015, the RCMP Emergency Response Team (ERT) along with North Shore Search and Rescue (NSSR) are jointly searching the known crash area. Current weather conditions are enabling the search efforts."

Police also said the cause of the crash remains undetermined.

Update (4:30 p.m.): North Vancouver RCMP says the missing plane has been found in a "steep, heavily wooded area".

"The two pilots, ages 33 and 35, from the Vancouver area, have been removed from the wreckage with family members notified," the RCMP update states.