We flew from Hobart to McMurdo (US Base) via an A319 airbus.About the size of a Boeing 737. We land in McMurdo as the Americans maintain their airstrip during the winter which is on the sea ice east of Casey. Very comfortable ride as our seats where of the business class variety and the only time I would be able to afford such a seat. We actually had three attempts to get down the third being our lucky one. It was not so much the weather at McMurdo but the connecting flight to casey via a c130 Herculies US Airforce.