A vertical takeoff aircraft,

The jet roared during takeoff.

Gold squadron, begin takeoff procedure.

Get her ready for takeoff.

Luke, we're ready for takeoff.

Not a bad takeoff for some rookies.

Please secure your seat belt during takeoff and landing.

Please fasten your seat belt during takeoff and landing.

The airplane used a rocket motor to assist with takeoff.

They said they'd make the boarding announcement 20 minutes before takeoff.

A vertical takeoff aircraft needs an artificial stabilization system that's essential.

You have to identify that this is a before takeoff checklist.

According to the log, the crew abandoned ship right after takeoff.

A vertical takeoff aircraft is not the safest vehicle during the test flight program.

Right after takeoff, a slight change in course is the difference between landing in Alaska or Fiji.

For example, planes require more runway for takeoff because the heated, less dense air, provides for less lift.

In fact, the aircraft companies gave up on vertical takeoff aircraft more or less for a number of years.

So the overall consumption of energy is about 25 watts at takeoff and 16 to 18 watts in flight.

So the overall consumption of energy is about 25 watts at takeoff and 16 to 18 watts in flight.

There's an old adage that applied for the years between 1950s and 1970s, when every aeronautical company was working on vertical takeoff aircraft.

We will have two balloons for each of my test jumps, and two balloons for the main jump, because they notoriously tear on takeoff.

And then when they came to a stop, the boy would do a sudden vertical takeoff, 100 foot in the air, and then disappear.

And there's really only one operational aircraft in the world today that's a vertical takeoff aircraft as distinct from a helicopter and that's the Hawker Harrier jump jet.