Westjet B737 at Calgary and Edmonton on Dec 4th 2013, heavy nose wheel shimmy

A Westjet Boeing 737-700, registration C-FWSY performing flight WS-4143 from Calgary,AB to Edmonton,AB (Canada) with 55 people on board, encountered heavy vibrations at about 80 knots during the takeoff roll. The takeoff was continued, the crew decided to continue the flight to Edmonton but requested emergency services on stand by. The aircraft landed safely on Edmonton's runway 02 about 30 minutes later with emergency services on stand by.

The Canadian TSB reported that the aircraft experienced "heavy nose wheel shimmy" through about 80 knots. The crew requested emergency services on stand by for arrival in Edmonton. Maintenance found a large amount of ice buildup on the nose gear wheel well. The TSB stated: "The ice was removed and along with it, the shimmy."