A 38-year-old man will appear in court today after allegedly pointing a high-powered laser at planes arriving at Christchurch airport.

Police were alerted by air traffic control to a green laser being pointed at a commercial flight from Sydney around 12.40am.

It was also shone at a local commercial aircraft and the air traffic control tower.

The light was seen coming from near Sugar Loaf on the Port Hills.

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Police located a car in the area and found a laser pointer inside the vehicle.

The man is charged with two counts of endangering public transport was due to appear in Christchurch District Court.