Teacher:In this task, you are given a text of many news articles seperated by special token "|||||". Your task is to summarize them.
Teacher: Now, understand the problem? Solve this instance: Image caption The aircraft had been flying at 4,000ft when the incident happened 
  
 A passenger aircraft had a narrow miss with an unidentified object over Glasgow, a report has revealed. 
  
 The Airbus A320 was making its final approach to Glasgow Airport on 2 December when an object passed about 300ft underneath it. 
  
 The pilot of the aircraft said the risk of collision with the object, which did not show up on radar, had been "high". 
  
 A report by the UK Airprox Board said investigators were unable to establish what the object had been. 
  
 The A320 was flying with its landing lights on, in clear conditions and at an altitude of about 4,000ft above the Baillieston area of Glasgow, when the pilot and non-flying pilot saw an object "loom ahead" at a range of about 100m. 
  
 Cockpit transcript The Airprox report included a transcript of the conversation that took place between the aircraft and the controller at 12:55: A320: "Glasgow Approach [A320 C/S]" EGPF: "[A320 C/S] pass your message" A320: "Er yeah we just had something pass underneath us quite close [1255:30] and nothing on TCAS have you got anything on in our area" EGPF: "Er negative er we've got nothing on er radar and we're n- not talking to any traffic either" A320: "Er not quite sure what it was but it definitely er quite large [1255:40] and it's blue and yellow" EGPF: "OK that's understood er do you have a an estimate for the height" A320: "Maybe er [1255:50] yeah we were probably about erm four hundred to five hundred feet above it so it's probably about three and a half thousand feet." 
  
 The object passed directly beneath the aircraft before either of the crew members had time to take avoiding action or had "really registered it". 
  
 But they both agreed that it appeared to have been blue and yellow or silver in colour with a small frontal area, but "bigger than a balloon". 
  
 The pilot asked the controller at Glasgow Airport if he was "talking to anything in the area" as he had "got quite close" to a blue and yellow aircraft, travelling in the opposite direction, which had passed just below him. 
  
 The controller stated that he was not talking to anyone else in that area and that nothing was seen on radar. 
  
 Search action was taken with no result and the A320 pilot stated his intention to file a report to Airprox, which investigates near misses. 
  
 Air traffic control said they had no trace of any other objects in the area at the time of the incident, although the radar at Prestwick did spot an "unidentified track history" 1.3 nautical miles east of the A320's position 28 seconds earlier. 
  
 Once the aircraft had landed, the pilot told the Glasgow Aerodrome Controller: "We seemed to only miss it by a couple of hundred feet, it went directly beneath us. Wherever we were when we called it in it was within about 10 seconds. Couldn't tell what direction it was going but it went right underneath us." 
  
 Members were unable to reach a conclusion as to a likely candidate for the conflicting aircraft Airprox Board report 
  
 When asked if he thought it may have been a "glider or something like that" the pilot replied: "Well maybe a microlight. It just looked too big for a balloon." 
  
 The Airprox report concluded: "Investigation of the available surveillance sources was unable to trace any activity matching that described by the A320 pilot. Additionally there was no other information to indicate the presence or otherwise of activity in the area." 
  
 The report said the Airprox board had been of the opinion that the object was unlikely to have been a fixed wing aircraft, helicopter or hot air balloon, given that it had not shown up on radar. 
  
 It was also thought that a meteorological balloon would be radar significant and unlikely to be released in the area. 
  
 A glider could not be discounted, the report said, but it was unlikely that one would be operating in the area because of the constrained airspace and the lack of thermal activity because of the low temperature. 
  
 Similarly, the board believed that a hang-glider or para-motor would be radar significant and that conditions precluded them, as they did para-gliders or parascenders. 
  
 The report stated: "Members were unable to reach a conclusion as to a likely candidate for the conflicting aircraft and it was therefore felt that the board had insufficient information to determine a Cause or Risk". ||||| The captain of an A320 navigating just west of London’s Heathrow Airport said he was startled when he looked out his cockpit window and saw an unidentified flying object — an object he described as a cigar-shaped metallic object — flying right toward his plane. 
  
 The Daily Mail said the pilot reported the near-miss with the unknown object way back in July, but that the U.K. Airprox Board was only bringing the matter to light now. 
  
 The report: “Having very little time to focus, he was under the apprehension that they were on a collision course with no time to react. His immediate reaction was to duck to the right and reach over to ‘alert the [First Officer].’ There was no time to alert him. His first words to the FO were, ‘did you see that?’” 
  
 The captain told aviation authorities the object was cigar and rubgy ball in shape, and made of some sort of bright and metallic material, The Daily Mail said. The pilot asked if other aircraft were in the area, but was told no. 
  
 The reported also said: “Nevertheless the A320 pilot was subject to a powerful impression of immediate danger, caused by his perception of an object closing rapidly on his aircraft.” 
  
 Investigators ruled out a meteorological balloon and a helium balloon. 
  
 Some guessed that the pilot may have actually seen a reflection of the sun off on the remote airplanes in the far west. 
  
 The Daily Mail cited the report’s response to that: “It was decided that, although the reflection theory had some merit, the overall dearth of information relating to the event rendered [any] meaningful finding impossible.” 
  
 Copyright © 2016 The Washington Times, LLC. Click here for reprint permission. 
  
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 Disqus ||||| It was certainly a close encounter, but with precisely what remains a mystery. 
  
 An airline pilot has reported a near miss in which a “rugby ball”-shaped UFO passed within a few feet of his passenger jet while flying near Heathrow Airport. 
  
 The captain told the aviation authorities who have investigated the incident that he was certain the object was going to crash into his aircraft and ducked as it headed towards him. 
  
 The investigation has been unable to establish any earthly identity for the mysterious craft, which left the aircrew with no time to take evasive action. 
  
 The incident occurred while the A320 Airbus was cruising at 34,000ft, around 20 miles west of the airport, over the Berkshire countryside. 
  
 The captain spotted the object travelling towards the jet out of a left hand side, cockpit window, apparently heading directly for it. 
  
 A report into the incident states: “He was under the apprehension that they were on collision course with no time to react. His immediate reaction was to duck to the right and reach over to alert the FO (First Officer); there was no time to talk to alert him.” 
  
 It adds: “The Captain was fully expecting to experience some kind of impact with a conflicting aircraft.” 
  
 He told investigators he believes the object passes “within a few feet” above the jet. 
  
 He described it as being “cigar/rugby ball like” in shape, bright silver and apparently “metallic” in construction. 
  
 Once he had composed himself, he checked the aircraft’s instruments and contacted air traffic controllers to report the incident. However, there was no sign of the mystery craft. 
  
 The incident was investigated by the UK Airprox Board, which studies “near misses” involving aircraft in British airspace. 
  
 It checked data recordings to establish what other aircraft were in the area at the time, but eliminated them all from its quest to find out what had been responsible. It also ruled out meteorological balloons, after checking none were released in the vicinity. Toy balloons were also discounted, as they are not large enough to reach such heights. Military radar operators were also contacted but were unable to trace the reported object. 
  
 The sighting occurred in daylight, at around. 6.35pm on July 19. It has only emerged now, following publication of the report, which concluded it was “not possible to trace the object or determine the likely cause of the sighting”. 
  
 The report does not name the airline or flight involved. Even though it describes the aircraft as being "just to the west of Heathrow", aviation experts believe that at such an altitude it would be unlikely to have taken off from, or be preparing to land at, the west London airport. 
  
 Instead, the A320, which is popular with many carriers, among them British Airways and Virgin, is likely to have been travelling between a regional airport elsewhere in the UK, and another on the Continent. The aircraft typically carry about 150 passengers. 
  
 The Ministry of Defence closed its UFO desk in December 2009, along with its hotline for reporting such sightings. Following that change, the Civil Aviation Authority took the decision that it would continue to look into such reports, from aircrew and air traffic controllers, because they could have implications for “flight safety”. 
  
 In 2012, the head of the National Air Traffic Control Services admitted staff detected around one unexplained flying object every month. 
  
 Dr David Clarke, a Sheffield Hallam academic and the UFO consultant for the National Archives, said: “The aviation authorities obviously think this is something they should continue to look into and if you are a regular air traveller, you are likely to agree.” 
  
 Dr Clarke, a sceptic on UFO issues, said: “This latest sighting is interesting, because it is detailed and clear. These pilots don’t file these reports for something and nothing. There was obviously something there.” 
  
 Chris Yates, an aviation consultant, said: “Although we assume when these things happen, a UFO is responsible, there is usually an explanation that materialises at some point.” |||||
Student:
The pilot of an Airbus A320 flying near London's Heathrow Airport told aviation authorities he almost ran into an unidentified flying object, in a bizarre incident that reportedly happened July 13 but is just now making the news. The pilot (the airline involved is not named) was at 34,000 feet when, he says, a metallic object shaped like a cigar or a rugby ball suddenly came within a few feet of the left side of his jet and just missed colliding with it; he was so certain it was going to strike that he ducked in response to seeing it after determining there was "no time to react" to avoid collision. He alerted air traffic controllers, who came up empty-handed, the Telegraph reports. The UK aviation board that looks into near-misses over the UK opened an investigation (this isn't its first UFO-related inquiry), but so far authorities have no explanation, having ruled out other aircraft and meteorological and toy balloons. One aviation consultant notes that typically in cases like this "an explanation ... materializes at some point." Some think the pilot just saw the sun reflecting off another plane, the Washington Times reports. (Meanwhile, the truth behind a California crop circle has emerged.)