Teaser 3269
Phil buys a four-figure combination lock where each dial can be set from 0 to 9, and needs to decide what number to set to unlock it. He opts for a number with all different digits and a leading zero so he only has to remember a three-figure number. When the chosen number is set for the lock to open, nine other four-figure numbers are visible. For instance, if he chooses 0123, then 1234, 2345, 3456, 4567, 5678, 6789, 7890, 8901 and 9012 are all visible. As a retired Maths teacher with a natural interest in numbers he examines the other nine numbers that are displayed when the lock is set to open. None of these numbers are prime but two of them
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Reuters
an hour ago
- Reuters
Two Southwest flight attendants hurt after jet dives to avoid mid-air collision
WASHINGTON, July 25 (Reuters) - Two flight attendants on a Southwest Airlines (LUV.N), opens new tab flight departing Burbank, California, were injured on Friday after pilots took evasive action to dodge another aircraft on takeoff, the airline said. Southwest Flight 1496 sharply descended nearly 500 feet, according to flight tracking websites, marking the second time in a week that a U.S. commercial jet was forced to make abrupt flight maneuvers to avoid a potential mid-air collision. The incident also appeared to be the fourth involving military aircraft since March. The airline and the Federal Aviation Administration said the Southwest pilots took action after receiving cockpit alerts of other aircraft traffic being dangerously close. The Southwest Boeing 737 continued on to Las Vegas, where it landed uneventfully. Flight-tracking service Flightradar24 identified the other aircraft as a Hawker Hunter fighter jet - British-built aircraft - that crossed in front of the Southwest flight. The planes came within 4.86 miles (7.82 km) of each other laterally and 350 feet (107 m) vertically. The U.S. Air Force and Defense Department did not immediately respond to inquiries regarding the military jet's presence near Burbank. The FAA was investigating. Two flight attendants were treated for injuries, the airline said, without providing detail. No injuries were immediately reported by passengers, according to Southwest. But one passenger told Fox News Digital the sharp descent stirred panic onboard. "It was terrifying. We really thought we were plummeting to a plane crash," Caitlin Burdi said in an on-camera interview. After the incident, "the pilot came on (the intercom), and he told us we almost collided with another plane." According to a statement from Southwest, the incident began when its crew responded to "two onboard traffic alerts" while taking off from the Hollywood Burbank Airport north of Los Angeles, "requiring them to climb and descend to comply with the alerts." In a separate incident one week ago, a SkyWest Airlines (SKYW.O), opens new tab jet operating as a Delta Connection (DAL.N), opens new tab flight from Minneapolis reported taking evasive action to avoid a possible collision with a U.S. Air Force bomber during a landing approach over North Dakota on July 18. The FAA said on Monday it was investigating last Friday's near-miss incident involving SkyWest Flight 3788, an Embraer ( opens new tab ERJ-175 regional jet, which landed safely at Minot, North Dakota. The Air Force confirmed a B-52 jet bomber assigned to Minot Air Force Base had conducted a ceremonial flyover of the North Dakota State Fair last Friday around the time of the SkyWest incident. The Air Force said the bomber cockpit crew was in contact with local air traffic control before, during and after the flyover, and that the Minot International Airport control tower "did not advise of the inbound commercial aircraft" as the B-52 was departing the area. The FAA has said that air traffic services were provided by the Minot air traffic control tower, which is run by a private company and not FAA employees. The National Transportation Safety Board and FAA are investigating a March 28 close call involving a Delta Airbus A319 jet and a group of Air Force jets near Reagan Washington National Airport. The four Air Force T-38 Talons were heading to nearby Arlington National Cemetery for a flyover at the time. There has been intense focus on military traffic near civilian airplanes since an Army helicopter collided with an American Airlines (AAL.O), opens new tab regional jet on January 29 near Reagan National, killing 67 people. In early May, the FAA barred Army helicopter flights around the Pentagon after another near miss.
The Guardian
3 hours ago
- The Guardian
Two injured after Southwest plane plummets to avoid potential collision
Two Southwest Airlines flight attendants are being treated for injuries after a passenger jet heading to Las Vegas from southern California took a dramatic plunge shortly after takeoff on Friday, the airline and passengers said. Southwest flight 1496, headed from Burbank to Las Vegas, received two alerts that made the plane climb and then descend, according to a statement from Southwest. Reported by ABC and according to flight trackers FlightRadar24 and AirNavRadar, the plane avoided a collision with a Hawker Hunter jet, currently registered to a Non-Citizen Corporation, according to FAA registration logs. Southwest said that the flight continued to Las Vegas, where it landed 'uneventfully', and that the airline is working with the FAA to 'further understand the circumstances of the event'. 'We are aware of an incident involving Southwest Airlines flight 1496. The FAA is in contact with Southwest and we are investigating. Ensuring the safety of everyone in the national airspace system remains our top priority,' the FAA said in a statement. A post on social media showed the path that the two planes took in a simulation video. The good news is your 737 got an automated alert, your crew did what they were supposed to do and so your aircraft didn't get dangerously close to the other (a Hawker Hunter jet fighter registered to a defense contractor). A passenger, Caitlin Burdi, likened the experience to the theme 'Tower of Terror' park ride during an interview with Fox News. 'About 10 minutes into the flight, we plummeted pretty far, and I looked around, and everyone was like, 'OK, that's normal,'' Burdi told Fox. 'Then, within two seconds, it felt like the ride Tower of Terror, where we fell 20 to 30 feet in the air. The screaming, it was terrifying. We really thought we were plummeting to a plane crash.' YouTube personality Jimmy Dore posted on social media from the flight. 'Myself and plenty of people flew out of their seats and bumped heads on ceiling, a flight attendant needed medical attention,' Dore wrote. 'Pilot said his collision warning went off and he needed to avoid plane coming at us.' This was at least the second near-miss for a mid-air collision in the US this week, after a Delta plane headed from Minneapolis to Minot, North Dakota nearly collided with a B-52 bomber. In March, a passenger jet nearly collided with a military plane at Ronald Reagan Washington National airport, where a collision between an American Airlines flight and a military helicopter had killed at least 67 people just months before.
The Independent
4 hours ago
- The Independent
Southwest Airlines flight headed to Las Vegas takes dramatic plunge in response to nearby aircraft
A Southwest Airline jet heading to Las Vegas from Southern California took a dramatic plunge shortly after takeoff Friday in response to an alert about a nearby plane, injuring two flight attendants, authorities and passengers said. Southwest flight 1496 was responding to an onboard alert about another aircraft in its vicinity, the Federal Aviation Administration said. The FAA is investigating. The crew responded to two air alerts that required the pilot to climb then descend, the airline said in a statement. The flight departed from Hollywood Burbank Airport just before noon. Passengers posted on social media that the plane took a dramatic drop soon after takeoff. ' Pilot said his collision warning went off & he needed to avoid plane coming at us,' comedian Jimmy Dore posted on X. The plane was not in the immediate vicinity of the Hollywood Burbank Airport, north of Los Angeles, at the time, said Mike Christensen, an airport spokesman. Christensen said that neither the control tower or the operations department, which tracks planes departing and arriving, have any record of the Southwest flight plunging in their airspace. Southwest said the flight continued to Las Vegas, 'where it landed uneventfully.' The airline said that it is working with the Federal Aviation Administration 'to further understand the circumstances' of the event. This close call is just the latest incident to raise questions about aviation safety in the wake of January's midair collision over Washington, D.C., that killed 67 people.
