[QUOTE=BTC8183;10930479]
Originally Posted by
Jn14:6
Yeah! The oldest is only a mere 50 years old![/Q
The remaining fleet was upgraded to HC.2 standard, only within the last 10 years, at an exorbidant cost. Some sources suggest the OSD could 'slide' 10 extra years though!
They could probably have done a total swap for EC725s for less!