Come around about two o'clock, and we'll have a trial flight.

Another trial flight was made, and some excellent pictures taken.

We congratulate you upon the success of your final trial flight.

And it is your trial flight that may precipitate all this.

A number of trial flights were made but no commercial service followed.

Despite the objections, expanded trial flights began in September 2012.

I've made a trial flight, and you've seen me come down as safely as a bird.

Good thing I didn't ask for a government inspection until after this trial flight.

On 21 June, returning from another trial flight, she suffered damage during landing.

Where is the trial flight going to take place?