I wonder if I can board the plane with this return ticket.

我想知道我是否可以用这张回程机票登机。

youdao

I phoned her from the airport this morning just before I got on board the plane.

今天早上，我在登机前从机场给她打了电话。

youdao

All 269 people on board the plane were killed.

机上269人全部遇难。

《柯林斯英汉双解大词典》

But,in his words, those who were killed on board the plane were all "irreplaceable".

VOA: standard.2010.04.10

Besides the presidential couple, all other people on board the plane reportedly died, including the country's army chief, its deputy foreign minister, the Central Bank governor and scores of other officials, legislators and crew members.

VOA: standard.2010.04.10

Vigils were also held at the Pentagon, where 184 people were killed, and in Western Pennsylvania, where 40 victims on board a fourth airliner died after fighting with their hijackers and forcing the plane down into a field.

VOA: standard.2009.09.11

The bag was searched at the gate, shortly before he was to board the plane.

CNN: Airport security firm adopts 'zero tolerance'

Investigators determined that an intense fire on board the plane contributed to its crash.

CNN: ValuJet back in the air at last - Sept. 26, 1996

All passengers on board the plane were transferred by bus to the airport terminal.

CNN: Heavy snow brings travel chaos to Britain