noun, noun which may take the genitive case particle 'no'
on board a ship; aboard a ship
Refers to being on or onto a ship; often used with の to modify nouns (e.g., 船上の生活).
船上から花火を見た。
We watched fireworks from aboard the ship.
船上での安全には十分注意してください。
Please be very careful about safety on board the ship.