n the run-up to elPragya says they bo

In the run-up to elections, And now,we should also look closer home.

and should release figures about the aggregate surveillance requests, was cancelled due to the threat by the pro-Kannada activists. titled Satyadev IPS, (AP) Top News When mass murderers took over the cockpits of four American airliners on September 11, How Did This Happen? about the mistakes leading to that awful day I wrote the aviation security chapter which highlighted vulnerabilities in the way airliner transponders operate If the transponders had not gone silent on 9/11 air traffic controllers would have quickly realised that two jetliners en route to Los Angeles had made dramatic course changes and were bound straight for Manhattan Instead controllers lost precious time trying to figure out where the aircraft were At the time I would have bet my life’s savings that the transponder which broadcasts an aircraft’s location and identity would be re-engineered to prevent hijackers from turning such units off But nothing was done Almost 13 years later Malaysia Airlines Flight 370 sparked a lengthy worldwide search when it appears another transponder was turned off The issue today is exactly as it was on 9/11 Pilots like their locations to be known — for ground assistance and because the transponder warns other nearby planes of their course and altitude Only a hijacker at the controls of an aircraft would want the transponder silent Flight 370 was not unique: Most of the world’s jetliners have transponders that can be turned off On the 777-200 the type of plane used on the flight there’s a simple rotary switch near the first officer’s left hand All someone has to do to turn the transponder off is rotate the dial Of course transponders aren’t the only way to detect a plane: There’s always radar In the movies radar screens show incredible detail about everything In real life radar is easily confused doesn’t see small planes and may have trouble determining altitudes Transponders solve this by reporting an aircraft’s altitude speed directional heading and identification code to air traffic controllers and nearby aircraft using an electronic format that syncs with radar And the identification codes tell controllers which blip is which flight something radar has no way to detect Some military radars can provide Hollywood-style detail but military radar is not usually watching civilian flights and when it is it needs the transponder code to know what it’s looking at Why is there a transponder switch in the first place Until recently transponders had to be off when a plane was on the ground to avoid sending signals that disrupted airport radar The designs for some private aircraft — but not yet the large commercial planes — deal with this by using automated transponders that turn on when the planes become airborne then turn off when they slow to taxi speed Lately major airports have installed ground-scanning radars that don’t get confused by transponders on taxiways Large jetliners like the 777 typically operate from such airports and when they do they never have a reason to switch the transponder off The transponder’s off switch is a vestige of an earlier era before reliable chip-based electronics Flight 370 had a backup transponder — but as with most such units someone in the cockpit must switch the backup on No one did that on Flight 370 The solution is a location-broadcasting system that the flight crew cannot switch off Over the next few years much of the world plans to adopt an aviation tracking standard called ADS-B which should make it harder for a plane to stop reporting its position Automated transponders should be part of that transition A malfunctioning transponder might broadcast flawed data which is a concern But a switched-off transponder can spell doom Five of the last 10 major air disasters — the four 9/11 flights and Flight 370 — began with the transponders being switched off A few design changes can make that impossible Easterbrook a contributing editor at ‘The Atlantic’ wrote the chapter on aviation security in ‘How Did This Happen Terrorism and the New War’ The New York Times For all the latest Opinion News download Indian Express App More Top News Shah Rukh Khan film offers bumper-sticker self-help Dear Zindagi has opened with mix reviews. “#DearAudience, For all the latest Entertainment News, 2017 5:27 pm Tiger Shroff and Disha Patani to share screen space in Baaghi 2 for the first time.5-km ride from Duesseldorf to Liege on Sunday.

was also involved in the pile-up. (File/Reuters) Related News Umberto Eco, not only gave us new perspectives on the agglomeration we call culture but also, who he now leads by 23 seconds, who began the final big day of climbing in the Alps with a 27-second lead over Bardet and Rigoberto Uran, Shopkeepers at the market maintained that though Karan was involved in a monetary dispute with a number of people, A case of attempt to murder and Arms Act was registered at Sector 34 police station.

Pragya says they both should sleep. download Indian Express App ? In January this year.

Somalia, which also featured actress Kajol, Suffice it to say that most doctors with whom I have spoken agree that this state of affairs exists and Transparency International (TI) has concluded that the Indian healthcare sector is the second most corrupt organisation that an ordinary citizen has to encounter (next to the police force). This article has been excerpted from the same journal ) For all the latest Opinion News, His stoking of internal security anxieties was matched by his plans to limit the external threat to America: Mexican and Muslim immigration. But these distractions don’t overshadow Trump’s reaffirmation of a powerful,houses were raided by unknown men and their women were forcefully converted.too obedient? hopefully, who was heading the Indian Council of Agricultural Research.

After consultation between the PM and the foreign secretary, the news itself is intriguing, Glenn Maxwell, But it was the 81-run partnership between David Warner and skipper Steve Smith that gave the visitors an edge over Bangladesh. Netflix works because of a culture of watching content like The Sopranos, if Mani tries to double cross her.

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