The driver's wife also found that he had only S$16.16 in his bank account.
Eight passengers were taken to hospital, Dublin Airport said.
The motorcyclists arrested ranged from 18 to 38 years of age.
No injuries were reported.
Some netizens expressed concern over the man's well-being.
The aircraft has now been renamed as SQ9071.
Mobile vaccination sites will be deployed for people seeking vaccinations from 24 May until 28 June.
Locals speculate whether he was here on a John Wick mission or if he was retiring from the hitman life.
The deer was comfortable with the photographer and even came closer after the shot was taken.
The fine for errant cyclists doubled in January 2022.