United Airlines turns off Starlink internet after static interference, WSJ says
United Airlines (UAL) began rolling out its free Starlink Wi-Fi last month but has since disabled the service on roughly two dozen planes to address problems with static interference, Alison Sider of The Wall Street Journal reports. United said is working with Starlink to address 'a small number of reports' about the problem, which it added is not a flight-safety issue. While the issue is being address, the Starlink-equipped regional jets will be operating with the Wi-Fi turned off.
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CNN
9 hours ago
- CNN
Airlines offering vouchers, new flights for passengers impacted by airport delays during Army parade in DC
Passengers flying through Ronald Reagan Washington National Airport on Saturday will experience delays as the Army celebrates its 250th birthday with a parade and flyover in Washington, DC. The celebration, which coincides with President Donald Trump's birthday, will impact vehicle and airline traffic. The Federal Aviation Administration said it will issue temporary flight restrictions for the Washington area during the celebration, which begins with a parade at 6:30 p.m. and ends with fireworks at 9:45 p.m. From 6 p.m. to 10 p.m. Saturday, 65 flights are scheduled to arrive at Reagan airport in Northern Virginia and 39 are scheduled to depart, according to Cirium, an aviation analytics firm. The airport is accommodating for the military flyovers along the parade route and a fireworks display, according to its website. The FAA is working with the Department of Defense to finalize a flyover plan, which will detail the aircraft involved. 'The FAA will implement traffic management initiatives at DCA before, during, and after the event to ensure safety and will facilitate a return to normal operations once the event concludes,' the agency said in a statement. 'During the peak of the celebration, the TMI stops all arrivals and departures.' United Airlines told CNN it is offering a travel waiver for Reagan flyers and is adding two additional departures and two arrivals at Washington Dulles International Airport in Virginia as an alternative. Delta Air Lines has a fare-difference waiver for passengers who want to move their booked travel to another day. Southwest Airlines said passengers on the approximately 20 scheduled flights can anticipate some delays, but it is planning for no cancellations. There is also a travel waiver in place for Southwest flyers. Alaska Airlines' exposure is fairly limited during the celebration window, and the airline canceled one flight to San Francisco International Airport and rebooked it to Dulles. It estimates the three flights scheduled during the time frame to be delayed for an hour. The hold on airport traffic comes after the January midair collision between an American Airlines regional jet and an Army Black Hawk military helicopter. The crash, which killed 67 people, led to a ban on helicopter traffic on a four-mile stretch over the Potomac River.
Yahoo
10 hours ago
- Yahoo
Coating satellites with super-dark Vantablack paint could help fight light pollution crisis
When you buy through links on our articles, Future and its syndication partners may earn a commission. A new type of super-black, highly resistant satellite paint promises an affordable fix to the satellite light pollution problem that has marred astronomical research since the recent advent of low-Earth-orbit megaconstellations. One of these, the internet-beaming Starlink constellation, has been a matter of controversy since the launch of the first batch of its satellites in 2019. The constellation's thousands of spacecraft orbit so low that the sunlight they reflect outshines many stars from our perspective on Earth. And while the sight of a Starlink satellite train might thrill skywatchers, it's a true nightmare to astronomers worldwide. When the $1.9 billion Vera Rubin Observatory opens its telescopic eyes to the sky later this month, astronomers expect that up to 40% of its images will be degraded or completely ruined by satellite streaks. It's a costly problem that will only become more serious as the number of satellites in orbit is expected to grow to tens of thousands within the next few years. But a new paint being developed in conjunction with astronomers might help. The paint, called Vantablack 310, could reduce the amount of light reflected by satellites in orbit down to just 2% of what is reflected by uncoated satellites, virtually erasing the pesky streaks from telescope images. According to Noelia Noël, an astrophysicist at the University of Surrey, these satellite streaks will significantly reduce the scientific return on investment that the taxpayer-funded Vera Rubin telescope represents. Noël, who is expected to take part in Rubin's ten-year mission to map the sky in unprecedented detail, has been concerned about the loss of the pristine dark sky for years. A native of Argentina, Noël grew up in awe of the star-studded southern sky and has been painfully aware of its deterioration. Those concerns led her to establishing a partnership with a University of Surrey spin-off, Surrey NanoSystems, who has been developing ultra black coatings for scientific instruments on satellites. The partnership has now produced a new type of blacker-than-black space paint, which reflects less light than available alternatives and can be easily applied by satellite makers in their clean rooms. "Over the past five years, humankind has launched more satellites into space than it has done over the previous 60 years," Noël told "It's a real problem for astronomy, especially for telescopes like Vera Rubin, which had to significantly change its observing strategy to avoid satellite clusters. So, I wanted to do something about it." Surrey NanoSystems' previous coatings, although exquisite at reflecting light (the flagship Vantablack High Performance coating absorbs 99.9% of incoming sunrays), were based on delicate nanotechnology that required a technically complicated application process. Once applied, the coating couldn't be touched by a human hand or it would lose its anti-reflective properties. "The previous coating was based on a carbon nanotube structure that can't be touched because it would collapse," Kieran Clifford, a materials scientist at Surrey NanoSystems, told "We needed something that can be easily handled by engineers at their own facilities." The new coating is based on a proprietary blend of carbon black, a soot-like form of carbon, mixed with special binders that make the paint resistant against the harsh conditions in near-Earth space. In tests, the new coating outperformed other similar paints currently on the market not just in terms of its light absorption ability but also durability in space, Clifford said. "We conducted tests that simulated three years in orbit and our coating withstood it with negligible changes whereas other types of space paints completely eroded," said Clifford. "Our coating also offers a better optical performance. Where competitor coatings reflect about 5% of the incoming light, the Vantablack 310 coating only reflects 2% of the light across the visible and near infrared spectrum." SpaceX has previously experimented with dark paint to reduce the brightness of its satellites, but those experiments provided mixed results. In some cases, the satellites began to overheat due to the amount of absorbed light. The new paint should not cause such problems, Clifford believes, and will make the satellites much less visible than the current Starlinks. "We know from some simulations that we have done that our coating should make satellites invisible to the naked eye," Clifford said. "That's about magnitude 7 in terms of brightness while Starlink satellites range from magnitude 3 to magnitude 5." Magnitude is a measure of luminosity of astronomical objects, which is inverse to the object's actual brightness. The lower the magnitude number, the brighter the object is. The magnitude scale is logarithmic, meaning the observed brightness increases exponentially with the decreasing magnitude number. Surrey NanoSystems and the University of Surrey will test the Vantablack 310 coating in space on the student satellite Jovian 1, which will carry a range of payloads built by British universities to low Earth orbit next year. "The rear of the satellite's deployable solar panel will be coated with Vantablack 310, and we will be rotating the satellite while making ground-based measurements to observe the changes in brightness," Clifford said. The company is already in talks with satellite manufacturers. They hope that the ease of the paint's application, its exquisite durability and ability to reduce brightness will inspire them to use it on their satellites in the future. "I don't want to be too optimistic, but I hope that with this new solution, we might be able to inspire some policy changes," Noël said. "Satellites are an amazing technology, but we also want to make sure that the sky remains accessible to everyone. Large telescopes represent a huge investment, and we want to make sure that it doesn't go to waste."
Bloomberg
12 hours ago
- Bloomberg
Starlink Is Best for Rural Airports, Not So Much for Urban Ones, Cruz Says
Urban airports should use fiber-optic communications while Elon Musk's Starlink satellite service may be better for rural ones, Senator Ted Cruz said. 'In a dense urban environment, fiber makes a lot of sense,' Cruz, a Texas Republican and chair of the Senate Commerce Committee, told Bloomberg Television in an interview on Tuesday.
