Voci_2_AeCo

continuing to do something in a determined way

Despite the airline's denial, there have been persistent rumours that Emirates Airlines has as many as forty aircraft parked up at al Maktoum airport due to an acute pilot-shortage.

the use of soldiers or aircraft to go into an area and get information about an enemy

By using UAVs to undertake reconnaissance missions, the lives of many people could be saved, because the UAV can take the role that was previously held by soldiers.

decorated or closed with shutters
used about someone’s eyes or expression when their eyes are partly closed, usually because they do not want to show what they are feeling or thinking

Airbus is seriously considering having the A 380 programme shuttered unless it recieves new orders for the aircraft in the near future.

close watch kept over someone or something

Critics have argued that the kind of surveillance that modern technology, such as UAVs, have made possible, shows a lot of similarity to George Orwell's novel 1984 and the conept of Big Brother.

a very large number of people or things

A raft of technology development programmes support the effort, one of the most crucial being tests of the power gearbox.

a quantity, value, or fact used as a standard for measuring other quantities, values, or facts

Discernible from the earlier Trent 700 by its much larger 112-in.-diameter fan, the Trent 7000 has a bypass ratio of 10:1, double that of the baseline powerplant.

the ratio in an aircraft engine (such as a turbofan) of the amount of airflow that is bypassed around the engine's core to the amount that passes through the core
 

The focus is making sure we optimize this new layout of engine in the way it installs to the aircraft, and that's really driven by the fact we are moving to a higher bypass ratio.

able to be seen, noticed, or understood

Discernible from the earlier Trent 700 by its much larger 112-in.-dia. fan, the Trent 7000 has a bypass ratio of 10:1

The term used to signify Extended Range Operation with Two-Engine Airplanes but the meaning was changed when regulations were broadened to include aircraft with more than two engines. It refers to the standards and recommended practices (SARPS) issued by ICAO for aircraft to fly long-distance routes that had been off-limits to twin-engined aircraft.

The tour formed part of the final function and reliability element of the aircraft's certification program and gave Airbus an opportunity to conduct reliability testing for extended-range twin-engine operational performance standards (ETOPS) certification.

one meaning of the verb to freeze is 'to stop moving and keep completely still'. The meaning as it is used in the Rolly Royce article derives from that. When somebody states that the design or configuration of somethign under development has been frozen, what they mean is that a decision on the configuration or design has been finalised and that any further work will be conducted on the basis of that. 

Rolls-Royce has frozen the configuration of its UltraFan geared engine concept and run the new core for its next-generation turbofan family even as it prepares to certify its latest large commercial powerplant, the Trent 7000.

The geared turbofan is a more efficient type of turbofan aircraft engine. Gears allow the compressor-turbine assembly and the fan to spin at different angular velocities.

Roll-Royce has frozen the configuration of its UltraFan geared engine concept and run the new core for its next-generation turbofan family even as it prepares to certify its latest large commercial powerplant, the Trent 7000.

- delay
- robbery at gun point

Despite the holdups, Rolls expects to complete ETOPS certification in time for A330-900neo entry into service by year-end.

extremely important and affecting how something develops

The Advance3 core demonstrator is pivotal to the company's plan to succeed the Trent family with a new gear-driven engine architecture beginning in the 2020s.

a stone on which to step
a means of progress or advancement

The Advance provides a steppingstone to the UltraFan, a very-high-bypass design that marries the core to a large gear-driven fan to improve fuel burn by at least another 5%.