Examples from the Web for flag lieutenant
He would go up on the bridge with the Flag-Lieutenant, and the ships would be cleared for action.A Fleet in Being|Rudyard Kipling
"It's the French instructor, I believe, sir," said the flag-lieutenant.
Somehow there was no conveyance in waiting, not even a rickshaw, so Maynebrace and his flag-lieutenant had to walk.
Bidding his flag-lieutenant go on to Elizabeth Castle whither they were bound, and await him there, he crossed over to Jean.The Battle Of The Strong, Complete|Gilbert Parker
He was shown round what was left of the king's city by the flag-lieutenant of the St. George.Sanders of the River|Edgar Wallace