Sentences with phrase «altitude aircraft»

Not to drone on, but I have been following the lofty pursuit of real estate professionals and their potential contractors to use drone or unmanned low - altitude aircraft to capture new and potentially attractive perspectives of properties going on the market.

Think IR spectral windows, high altitude aircraft observatories, IR telescopes on satellites far above the atmosphere.

The evidence for this is a mountain of spectroscopic data about the behaviour of the greenhouse gases from laboratory observations, ground level observations, high altitude aircraft observations and more recently satellite observations.

Within the two percent annual increase, NCAR had to absorb new additional costs associated with the operation of the new high altitude aircraft and associated instrumentation.

The front for NATO is no longer the ground but the air above and the electro - magnetic field - through GPS weapons systems - drones, satellites and high altitude aircraft — proving theorist Paul Virilio's ideas first espoused in the 1990s about the new verticality, as opposed to the traditional horizontality, of contemporary warfare.People have been cleared out of the region so as not to dispute the territorial actuality that facilitates this.

Retired Air Chief Marshal Angus Houston, the former head of Australia's defense forces who now leads the multinational effort to find the jet and any sign of the 239 people who were on board when it disappeared March 8, reminded reporters Tuesday that «we don't know what altitude the aircraft was traveling at.

Very little of the infrared spectrum from space reaches to sea - level, although more of it can be observed by high - altitude aircraft, such as the SOFIA (Stratospheric Observatory for Infrared Astronomy), or telescopes on high mountaintops (such as the peak of Mauna Loa in Hawaii).

For the implementation on board of the high altitude aircraft they developed nine instruments measuring physical and chemical characteristics of dust particles and clouds.

NASA researchers also arranged to have a high - altitude aircraft, the ER - 2, take photos of the region.

Toward that end, the Pentagon has commissioned development of the Rapid Eye and the Vulture — two new unmanned, high - altitude aircraft better able, it says, to meet today's needs for gathering information about nimbler threats.

The sun is a tempestuous place prone to proton and electron particle storms that can speed across a 150 - million - kilometer space chasm to bash into Earth's atmosphere, potentially disrupting satellite service, damaging telecommunications networks, causing power grid blackouts and endangering high - altitude aircraft as well as astronauts on board the International Space Station.

Even when scaled up, the team expects the simple design to cost around $ 5 billion, in comparison with the $ 100 billion needed to launch thousands of high - altitude aircraft.

Not exact matches

The aircraft had to fly over the Alps, climbing to an altitude of 13,123 feet and travelling 199 miles.

In order to spy on a telephone, all that was needed was that the aircraft be cruising at an altitude above 10,000 feet, the report said.

Both crew members successfully ejected from the aircraft at low altitude.

However, the low altitude flight profile of an attacking Tomahawk, its ability to use terrain masking for cover and concealment and its relatively small size, significantly smaller than a manned combat aircraft, make it a difficult target for even the most advanced air defense systems.

At these altitudes, the aircraft will be far above the airspace where commercial airliners fly and free from storms or other weather disturbances, Parikh explained.

If you've spent any amount of time in an aircraft about to take off — gazing out the window at the tarmac, thinking about the cold beverage you'll have at altitude — you've probably spent at least a passing moment wondering how exactly manufacturers make sure the iron birds don't break.

So... in 1954, President Eisenhower authorized the development of a top secret, high - altitude recon aircraft Dubbed Project Aquatone.

So they explained the aircraft sightings by saying they were «natural phenomena» and «high - altitude weather research.»

«A Russian Su - 35 fighter jet, performing an air cover mission at an altitude of 10,000 meters, swiftly approached the F - 22 from the rear, forcing the American aircraft to leave the area.»

Over the five years to 2017, the Global Commercial Aircraft Manufacturing industry has managed to fly through the slow postrecessionary recovery and reach new altitudes.

Prior to joining us, Mr. Straubel was the Chief Technical Officer and co-founder of Volacom Inc., an aerospace firm which designed a specialized high - altitude electric aircraft platform, from 2002 to 2004.

Will the environment be damaged by hundreds of these aircraft flying at high altitudes and throwing their exhausts into the stratosphere?

But biodiesel solidifies into a gel at the cold temperatures found at high altitude, a fatal flaw for any aircraft fuel.

So instead of bouncing radar signals off aircraft, ADS - B uses GPS signals to continuously broadcast a plane's identity, ground position, altitude and velocity to networks of ground stations and other nearby aircraft.

Such abilities could be particularly useful for unmanned aerial vehicles (UAVs), the lightweight aircraft the military increasingly employs for low - altitude reconnaissance.

The engines in propeller powered aircraft achieve their maximum efficiency at much lower altitudes.

Indeed, since pilots can not see other craft, and since controllers are not certain of the exact position of any given plane, aircraft are forced to make stepped landings: They descend to a given altitude, then level off, and then descend again.

«There's a big gap between the altitudes that existing aircraft can get to and where satellites start doing their work,» says Alan Brown, a NASA spokesman.

Named Brownleeite after Donald Brownlee (a professor at the University of Washington in Seattle and head of NASA's Stardust comet sample return mission), the substance was identified in a speck of cosmic dust taken from the stratosphere in 2003 by a high - altitude NASA aircraft.

The laser system could be used to keep high - altitude telecommunications aircraft aloft indefinitely or even to propel spaceships, Bushman says: «To fly such an airplane at a high altitude is certainly reasonable.

Erik Rasmussen, a prominent meteorologist who led the previous Vortex project, will use unmanned aircraft to record temperature and relative humidity at various altitudes.

Observations of atmospheric carbon dioxide made by aircraft at altitudes between 3 and 6 kilometers (10,000 - 20,000 feet) show that seasonal carbon dioxide variations have substantially changed during the last 50 years.

ADS — B — first conceived in the early 1990s by the FAA and a variety of government agencies and businesses that build and / or rely heavily on airplanes, including NASA and delivery giant United Parcel Service (UPS)-- relies on the proactive communication between global positioning system (GPS) satellites and transponders placed on board aircraft to inform pilots, other aircraft and air traffic controllers about an aircraft's location, identity, speed and altitude.

The Vulture project, which stands for Very high altitude, Ultraendurance, Loitering Theater Unmanned Reconnaissance Element, seeks to deliver and maintain an aircraft that can remain above a surveillance target for at least five years.

The aircraft is designed to carry out its missions at altitudes between 3,048 to 9,144 meters.

It hooks into the aircraft's own navigation system and relies on the fact that almost all commercial and military aircraft have a transponder which responds to a radar signal by transmitting the aircraft's identity and altitude.

In one case in the US 18 months ago, the flight paths of two TCAS - equipped aircraft were converging at similar altitudes.

It bundles an aircraft's call sign, GPS position, speed and altitude into 112 - bit digital packets, which are broadcast continually from the aircraft to the control stations.

In - flight ice forms at altitudes up to 7300 metres (24,000 feet), when the aircraft's surfaces hit supercooled water droplets suspended in the air.

But even at the speed and altitude of jet aircraft, the effects of relativistic time dilation are tiny — in the Hafele — Keating experiment the atomic clocks differed after their journeys by just tens to hundreds of nanoseconds.

While aircraft produce only about 3 per cent of the NOx in the troposphere, NOx at this altitude stays around longer than at ground level — several days rather than a few minutes or hours.

The aim of the research is to develop aircraft that can fly at high altitude for indefinite periods.

«Aerial inspection of energy pipelines is federally required and typically performed using manned aircraft flying at low altitudes,» said David Yoel, chief executive officer of American Aerospace Technologies Inc. «If we validate unmanned aircraft technologies, we can reduce risks to pilots and the public, and more efficiently protect the country's critical infrastructure.»

These are the particles that reached aircraft cruising altitudes, above 9 kilometres, in European skies during the eruption.

Passive soaring — meaning no specific maneuvers are attempted to catch thermals — was still allowed, to let the aircraft turn the motor off if altitude increased because of an updraft along the aircraft's pre-defined flight path.

Airdrops of combat and medical goods, for instance, may soon be handled by the Onyx autonomously guided parafoil system, a gliding robotic sail that guides cargo dropped from aircraft at altitudes of up to 25,000 feet and possibly higher.

Yet, even if the Deutsche Flugsicherung does not agree with these suggestions, aircraft taking off from Berlin Brandenburg airport «Willy Brandt» that would fly over Wannsee close to BER II would have already reached an altitude of around 1.5 to 2 kilometres.

«We have found the rotary wing aircraft to be more useful than fixed wing, because they can hover at lower altitudes and perform agile maneuvering, which makes them well suited for field inspections.»