David Smith and Fraser MacIntyre flew across the Atlantic, with stops in Iceland, Greenland and northern Canada.
The expansion project will make Prestwick Airport Ryanair's largest European maintenance base.
Anne Murphy was 16 when she saw the King as he stopped over in Prestwick on 2 March 1960.
Robert Markward was jailed for nine years after a spate of offences in Ayrshire between December 2022 and March 2023.
The report said Prestwick has already achieved its annual operating target in the first six months of the financial year.
Prestwick Airport has been owned by the Scottish government since 2013.
See a bride reunited with her mystery wedding crasher four years after he turned up to the wrong special day.
For years Michelle and John Wylie were puzzled about the presence of a mysterious tall man in a blue suit at their wedding.
Robert Markward tricked his way into the homes of nine vulnerable people in Ayrshire
