Tracking device for SIA crew

Keeping a close eye: Flight crew who need to stay overseas during layover flights will have to wear devices that track their location. — The Straits Times/ANN

Flight crew who need to stay overseas during layover flights will have to wear devices that track their location in order to ensure they comply with a rule requiring them to stay in their hotel rooms.

They are not allowed to physically interact with one another during the layover period.