BOAC: Aye, the old two minute then 45 deg barbed Procedure turn approach, descend at X ... which would typically in this day and age be more often given as a vectors to final. DME? Just makes it a better approach. Mins would be higher, though, than an ILS or LOC.
The non-flying element of the industry in Pakistan might want to explain why such an approach was either abandoned, or never certified ...