She added: "He says he had bought it on eBay and used it to play with kittens in this hotel.
Rebecca Romih, defending, said Ali regularly went to the hotel to socialise with a group of friends.
She said it was trained on the helicopter several times over a period of 10 minutes.
The helicopter pilot was flying over the area at 12.50am when he was dazzled by Ali's laser beam.
"The beam appeared to be directed nowhere other than the aircraft. It is the prosecution case that it was targeted at the helicopter."
Sgt Michael Dunn from the air support unit said: "Shining a laser into the cockpit of any aircraft is extremely stupid and dangerous. There is a very real danger that a crew could lose control of the aircraft resulting in serious injury or death.
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She added: "The light made it difficult for the pilot to see anything for several seconds. "He lost outside reference points which enable him to control the aircraft.
The court heard that Ali, who lives with his parents, was staying with friends at the Park View Hotel, Glodwick, when it happened on January 9.
Ali was fined 250 and ordered to pay 85 costs and a 15 victim surcharge. Magistrates ordered that the laser pen be confiscated.
Mobisir Ali, 23, fired the green coloured light beam from a hotel window as the Greater Manchester Police helicopter was flying at 1,000ft over Oldham.
Police traced the beam back to the hotel and Ali was arrested. Two friends said he was playing with kittens. He was detained for 24 hours while officers investigated.
She said he accepted his behaviour was reckless Nike Air Force 1 Low White On Feet
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Laser pen man dazzled police helicopter pilot while 'playing with kittens'
Julie Spaven, prosecuting, said: "He said he knew the beam went a long way, but denies he was shining it deliberately at the helicopter."
who dazzled a police helicopter pilot with a laser pen claimed he was actually using it to play with kittens.
"Thankfully the aircraft didn't Nike Air Force 1 Low All Red suffer a loss of control or the consequences could have been more serious."
but denied he was shining the light intentionally at the aircraft.
"He accepts that, by pointing it out of the window, it could have shined on the aircraft. He has never been before the court before and would apologise for the trouble he has caused."
below our usual high standards, please write in the first instance to: Rob Irvine, editor, Manchester Evening News, Mitchell Henry House, Hollinwood Avenue, Chadderton, Oldham OL9 8EP.
His solicitor told the court: "He said he would point it on the walls and on the floor and the kittens would run around it and pounce on it. When he shone it on the window, it would bounce back to the floor and they would jump back on it."
Chairman of the bench Aftab Haque told him: "You managed to put yourself in very serious trouble.
Ali, of Newport Street, Oldham, pleaded guilty to one offence under the Air Navigation Order 2009 of shining a light at a helicopter to distract the pilot.
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