Sentence examples for upon a helicopter from inspiring English sources

There are other forces acting upon a helicopter not found in a conventional aircraft.

In sum, the additional forces imposed upon a helicopter by its very concept delayed its development, made it relatively more difficult to control than fixed-wing aircraft, and, in general, impeded its use.

It is said in Africa today, the elephants, upon hearing a helicopter, try to hide under the trees, knowing their murderers sometimes come from the air.

Five days later, after several unsuccessful attempts to dislodge an 800-pound boulder that was crushing his right hand, Ralston snapped first the radius and then the ulna of his forearm near the wrist, applied a makeshift tourniquet, sawed through the cartilage with a throwaway multitool, rappelled to the base of Blue John Canyon and hiked until he came upon a rescue helicopter.

The police officers in the smaller boat fired upon the larger boat, and a DEA agent in a helicopter ordered another Honduran police officer to fire upon the boat.

Unable to find the man on their return, a police rescue search was called upon and the cyclist was eventually spotted by a helicopter.

"This is not looked upon just as, 'It happened -- a malfunction of a helicopter,' " said Assemblyman Dov Hikind, who employs Leibish Daskal part-time doing community relations work.

"Every so often we can hear a helicopter and then their guns firing upon the rebels who have now taken almost the entire city".

A DEA agent in a helicopter gave an order to fire upon a passenger boat in Ahuas, Honduras, on May 11 , 2012

This was launched from another plane, took photographs of its target, and released a parachute upon its return so it could be picked up by a helicopter.

A helicopter.