The phrase "aboard of a vessel" is not correct in standard English usage.
The correct expression is simply "aboard a vessel."
Example: "The crew was already aboard a vessel, ready to set sail at dawn."
Alternatives: "on board a vessel" or "on a vessel."
The tragedy marked the U.S. Navy's most significant loss of life aboard a vessel since terrorists bombed the USS Cole in Yemen in 2000.
In May 1990, he and a colleague left the port of Nampo aboard a vessel disguised as a Japanese fishing boat, stopping in China to pick up supplies from a North Korean cargo ship before entering international waters.
As the reporter Damian Whitworth wrote in The Times of London of his experience aboard a vessel in the flotilla on Sunday, "We lined up on the deck, with the rain streaming down our faces and waved at the queen.
The boat was just 20 metres long, and while it may have been transporting hundreds of people, it is doubtful whether even the ruthless people-smugglers who dispatch migrants from the Libyan coast could force 700 aboard a vessel of that size.
The queen and her party appeared enraptured, tapping along in time, as the London Philharmonic Orchestra and drenched members of the Royal College of Music chamber choir — aboard a vessel that drew parallel to the royal reviewing stands — performed a medley of the country's most rousing patriotic songs, including "Rule Britannia," and ending with a chorus of "God Save the Queen".
After a long indentured apprenticeship aboard a vessel out of Whitehaven in northern England, he had had no choice but to take a job as a third mate aboard a slave ship.
The researchers of Beneath the Waves aboard a vessel.
I was 20-odd miles off the coast of Cape Hatteras, N.C., aboard the Sensation, a vessel chartered by the Tag-a-Giant Forganization nonprofitryingnizatoon trying to decode the complex migration patterns of the bluefin and help lay the scientific foundation for the fish's protection.
We each made trips to the Namibian coast's oxygen minimum zones -- hypoxic regions of ocean that occasionally release massive (and massively smelly) pockets of sulfide gases -- aboard the Welwitschia, a vessel named after a strange, long-lived desert plant endemic to Namibia.
"America would be more suitable; I could live there with dignity". He waited aboard a vessel near the western port of Rochefort, hoping to win British clearance for a life in dignified exile on the other side of the Atlantic.
The Japanese press and senior officials have challenged the practice of having civilians aboard a military vessel during an exercise.
