An Airblue Airbus A321-200, registration AP-BMM performing flight PA-205 from Islamabad to Karachi (Pakistan), was accelerating for takeoff from Islamabad's runway 10R when the crew rejected takeoff at about 80 knots due to disagreeing airspeeds. The aircraft slowed safely and returned to the apron.

A replacement A321-200 registration AP-BMP reached Karachi with a delay of about 2 hours.

The occurrence aircraft remained on the ground for about 4 hours, then returned to service.

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