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<ul class="summary-list"><li>About 700,000 passengers were affected by air traffic control chaos in the UK in August 2023.</li><li>A report found an engineer struggled to log in remotely, meaning it took longer to resolve the issue.</li></ul>An engineer's login struggles hindered attempts to solve an <a target="_blank" class="" href="https://www.businessinsider.com/becoming-air-traffic-controller-career-pros-cons-of-job-2022-1">air traffic control</a> meltdown that affected 700,000 passengers in the UK.The details were revealed Thursday in a report by the UK's Civil Aviation Authority about the <a target="_blank" class="" href="https://www.businessinsider.com/london-airports-travel-chaos-flight-delays-europe-photos-2023-8">August 2023 travel chaos</a>.It estimated the event cost airlines, airports, insurers, passengers, and others between £75 million and £100 million ($127 million) — and that about 300,000 people had their flights canceled. Another 95,000 were delayed by more than three hours, and a further 300,000 faced shorter delays.The incident was caused by a software failure. A single flight plan for a journey from Los Angeles to Paris — passing over the UK — contained two waypoints with the same name.This confused the automatic flight planning system, causing both the primary and the backup to shut down within 20 seconds.The system can usually process 900 flight plans an hour during peak periods, but <a target="_blank" class="" href="https://www.businessinsider.com/air-traffic-control-problems-delays-travel-chaos-holiday-weekend-uk-2023-8">air traffic controllers had to process them manually</a> — reducing its capacity to just 60 an hour, the report found.It also identified numerous factors that meant it took longer to identify and rectify the problem.One such factor was that a Level 2 engineer systems expert was on call but couldn't intervene remotely because their login and password "could not be readily verified due to the architecture of the system."It took the engineer 90 minutes to reach the air traffic control site — just over three hours after the meltdown began.All the traffic regulations implemented due to the incident were lifted after a total of nine-and-a-half hours.Delays and cancellations had knock-on effects on airline schedules, causing further issues for the next week. The report estimated that airlines lost £65 million ($82 million) as a result.The report recommended that NATS, the UK's air traffic control provider, has a Level 2 engineer working on-site during busy travel periods.Its 34 recommendations include government legislation, requiring airports and airlines to review the support available for affected passengers, and for NATS to provide earlier notices of possible disruption.UK Transport Secretary Louise Haigh said, "My department will look to introduce reforms, when we can, to provide air travelers with the highest level of protection possible."A <a target="_blank" class="" href="https://www.businessinsider.com/ryanair-ceo-calls-air-traffic-control-boss-resign-flight-chaos-2024-9">NATS</a> spokesperson said in a statement that it welcomed the report and apologized "for the inconvenience passengers suffered because of this very unusual technical incident. Over the 15 months since this incident, we have worked hard to address the lessons from it, and to ensure this particular issue cannot happen again."NATS has implemented most of the 48 recommendations from its own investigation, including "improving our engagement with our airline and airport customers, our wider contingency and crisis response, and our engineering support processes."

Air traffic control chaos affecting 700,000 passengers was made worse when an engineer couldn't log in remotely

In a shocking development, <keyword id="20321520" type="General" weightage="20" keywordseo="lahore" source="keywords">Lahore</keyword> in <keyword id="19899252" type="General" weightage="20" keywordseo="pakistan" source="keywords">Pakistan</keyword> is enduring an air pollution crisis that has driven its <keyword id="19918941" type="General" weightage="20" keywordseo="air-quality" source="keywords">Air Quality</keyword> Index (<keyword id="19916482" type="General" weightage="20" keywordseo="aqi" source="keywords">AQI</keyword>) well above the hazardous mark, crossing 1,000 in recent days. This level is over three times worse than the pollution typically recorded in New <keyword id="19900881" type="General" weightage="20" keywordseo="delhi" source="keywords">Delhi</keyword>, India, during <keyword id="188" type="General" weightage="20" keywordseo="diwali" source="Orion">Diwali</keyword> — a festival known for its own intense pollution spikes. The situation has led local officials to temporarily shut down primary schools and encourage remote work for half of the city’s workforce in a bid to limit exposure to the toxic air. Lahore’s pollution crisis has multiple contributors. Seasonal crop burning in nearby agricultural areas releases smoke and particulate matter into the air, while exhaust from vehicles and low-grade diesel generators further exacerbate the smog. During winter, cold air traps pollutants close to the ground, a phenomenon known as temperature inversion, which prevents pollutants from dispersing and intensifies smog. Lahore, a city of 14 million people, is experiencing the worst of these combined effects, which have led to severe visibility issues and alarming health risks for residents. Punjab’s Senior Minister Marriyum Aurangzeb characterised the spike in Lahore’s pollution as "unexpected," pointing to cross-border pollution carried by winds from India as a key factor. She emphasised that the issue could only be managed through cooperation, adding that Pakistan’s foreign ministry would lead efforts to initiate discussions with Indian authorities. <h2>Understanding AQI and its health impacts</h2>The AQI is a standardised measurement of air pollution levels, ranging from 0 (good) to 500+ (hazardous). Different categories within this scale represent varying health risks. For example, AQI values between 0-50 signify “good” air quality, while levels above 300 are deemed “hazardous” for all populations. <div type="Article" hostid="261" msid="114649550" title="Lahore and Delhi amongst world&amp;#39;s most polluted cities; health warnings issued" mstype="2" mssubtype="0"></div>Lahore's recent AQI of over 1,000 — going as high as 1,900 by some accounts — has been described as a severe public health crisis. It’s composed primarily of particulate matter known as PM2.5 — tiny particles that are especially dangerous because they can be inhaled deeply into the lungs, leading to long-term respiratory and cardiovascular diseases.<h2>Delhi during Diwali</h2>Delhi is no stranger to pollution spikes, especially during the Diwali season, when fireworks, stubble burning in surrounding states, and vehicle emissions combine to create hazardous air conditions. During Diwali this year, Delhi’s AQI surpassed 400 once again, categorising it as “very poor” to “severe” — even two days after the festival. To combat the issue, authorities implemented a series of emergency measures through the <keyword id="19920169" type="General" weightage="20" keywordseo="graded-response-action-plan" source="keywords">Graded Response Action Plan</keyword> (GRAP), including bans on diesel generators and regular sprinkling of roadways. While these measures offered some relief, Delhi’s air quality remained severely compromised for days. <h2>Long-term health implications</h2>The pollution crisis in cities like Lahore and Delhi poses a substantial long-term health risk. In Lahore, residents could lose an average of 7.5 years of life expectancy if these pollution levels persist, according to the University of Chicago’s Energy Policy Institute. Air pollution is linked to respiratory and cardiovascular diseases, cancer, and premature death, highlighting the need for stricter emissions regulations, clean energy initiatives, and cross-border cooperation to tackle the issue. <div type="Article" hostid="261" msid="114836869" title="Delhi’s ‘lit’ skyline on Diwali goes viral; netizens bring attention to the smog-covered skies" mstype="2" mssubtype="0"></div>Air pollution is especially dangerous for children, whose lungs are still developing. Children breathe more rapidly than adults, which means they inhale more pollutants relative to their body weight. The <keyword id="19896311" type="General" weightage="20" keywordseo="world-health-organization" source="keywords">World Health Organization</keyword> (WHO) reports that prolonged exposure to polluted air can result in severe health complications for children, including asthma, lung infections, and, in extreme cases, irreversible lung damage. South Asia as a whole is deeply affected by this issue, with nearly 600 million children regularly exposed to high levels of air pollution. UNICEF highlights that air pollution is a leading cause of child mortality in the region, with half of all childhood pneumonia cases linked to poor air quality. As cities like Lahore and Delhi grapple with worsening air quality, local governments, international bodies, and communities must prioritise pollution control to protect future generations from the devastating effects of polluted air.

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Air traffic control chaos affecting 700,000 passengers was made worse when an engineer couldn't log in remotely

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Pakistan shuts down schools as AQI becomes 3x worse than Delhi on Diwali

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