Wiktionary
maiden flights
n. (maiden flight English)
Usage examples of "maiden flights".
In the recent past, the rate of male eggs, distinguishable through color and size, had fallen to a level so low that there were some mature empresses who had had no males when they were ready for their maiden flights.
Important people made their maiden flights into reality: in MarchIsaac Asimov with MAROONED OFF VESTA.