事故是在喷气式飞机正要起飞时发生的。

The accident happened as the jet was about to take off.

三架飞机停在跑道上，等候起飞。

Three planes were standing on the tarmac, waiting to take off.

直升机接到命令，紧急起飞前去营救三个登山的年轻人。

A helicopter was scrambled to help rescue three young climbers.

据目击者说，飞机起飞后不久就爆炸了。

According to observers, the plane exploded shortly after take-off.

请至少在飞机起飞前一小时办理登机手续。

Please check in at least an hour before departure.

所有由希思罗机场起飞的飞机均因罢工而停飞。

All planes out of Heathrow have been grounded by the strikes.

直升机已加好油，准备起飞。

The helicopter was already fuelled and ready to go.

本航班起飞延误，谨致歉意。

We apologize for the late departure of this flight.

飞机满载起飞。

The plane took off with a full load.

飞行员在等待起飞的许可。

The pilot was waiting for clearance for take-off.

航班应在起飞前48小时予以确认。

Flights should be confirmed 48 hours before departure.

飞机已得到起飞许可。

The plane had been cleared for take-off.

飞机于12:35起飞前往达拉斯。

The plane leaves for Dallas at 12.35.