By CBS3 Staff

PHILADELPHIA (CBS/AP) – Detention hearings are scheduled in Philadelphia for six crew members of a Swiss-owned container ship following the seizure of more than 35,000 pounds, or more than 15,800 kilograms, of cocaine. The six crew members of the MSC Gayane are scheduled for 1:30 p.m. Monday detention hearings on charges of conspiracy to possess cocaine aboard a ship.

Philadelphia Drug Bust: Authorities Confirm 6 Arrests In Historic Cocaine Bust At Philadelphia Port 

Monday’s court hearing will determine if they will remain in federal custody. If convicted, they face life in prison.

PHOTOS: Massive Cocaine Bust At Philadelphia Port

Authorities said they boarded the ship about a week ago for a routine screening but detected anomalies while examining seven shipping containers.

Over $1 Billion Worth Of Cocaine Seized At Philadelphia Port, U.S. Attorney’s Office Says

They said the drugs found on the vessel, which was sailing under a Liberian flag, had an estimated street value of $1.1 billion.

(© Copyright 2019 CBS Broadcasting Inc. All Rights Reserved. The Associated Press contributed to this report.)