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| Version 2 | Version 3 |
|---|---|
| Air near miss an optical illusion | |
| (about 3 hours later) | |
| Aviation experts have moved to reassure a Glasgow resident after he claimed he saw a near miss involving two aircraft. | |
| David Rocks said he saw what appeared to be two aircraft heading straight towards each other on Sunday, before one suddenly rose sharply. | |
| He took a photograph but aviation experts insisted there had been "no incident". | |
| The National Air Traffic Service (Nats) said the aircraft were separated by at least 1,000ft. | The National Air Traffic Service (Nats) said the aircraft were separated by at least 1,000ft. |
| A spokesman for Nats told the news website: "I can guarantee that there has been no incident. | A spokesman for Nats told the news website: "I can guarantee that there has been no incident. |
| "The two aircraft were separated by 1,000ft which is the standard separation. | "The two aircraft were separated by 1,000ft which is the standard separation. |
| 'Much closer' | |
| "Our radar equipment automatically detects when two aircraft come too close together. | "Our radar equipment automatically detects when two aircraft come too close together. |
| "The plane which turned was responding to an ordinary navigation change of direction." | "The plane which turned was responding to an ordinary navigation change of direction." |
| He added that vapour trails were only visible above about 30,000 ft (5.6 miles). | He added that vapour trails were only visible above about 30,000 ft (5.6 miles). |
| "Everything looks much closer than it actually is," he said. | "Everything looks much closer than it actually is," he said. |
| "When the skies are particularly clear people tend to look up. But what they don't realise is that even if the planes are 1,000ft above each other they can look closer." | "When the skies are particularly clear people tend to look up. But what they don't realise is that even if the planes are 1,000ft above each other they can look closer." |
| Mr Rocks, from Glasgow, who sent his pictures to BBC Scotland's news website, said: "I was sitting on the sofa at about 10.30am on Sunday listening to some music and saw the two planes flying towards each other. | |
| "As I got my camera, one turned away. It was really scary." | |
| A spokesman for the Civil Aviation Authority said: "We get these calls every time we have a nice blue sky. | A spokesman for the Civil Aviation Authority said: "We get these calls every time we have a nice blue sky. |
| "These aircraft will have been at least 15,000 ft high and separated by 1,000ft vertically." | "These aircraft will have been at least 15,000 ft high and separated by 1,000ft vertically." |