It had an operational life of more than ninety years and was closed in 1922.
It had an 8 year operational life and failed late 2009/early 2010.
Throughout the plane's operational life, the cost of a ticket never dropped below $9,000.
It will have an operational life of 40 years.
The aircraft are expected to be upgraded throughout their operational lives.
They have an operational life of 5 to 7 years, although actual performance has been variable.
Most of the components operational life is comprised in this stage.
They have an operational life of almost a hundred years.
They had an operational life of twenty five years.
It was involved in a number of serious operating incidents throughout its operational life.