750XL.....Ref your comments about lack of staff, how about training some of the keystone ops guys to operate sleet clearing equipment? that way a vast army of under used jobsworths could if the unthinkable does happen and snow/sleet falls in a major northern european airport in mid winter leap into action and prevent the sort of debacle that once again befell man a few days ago.
On the other hand the airport could break the habit of a lifetime actually plan for the unthinkable so when the siberian onslaught thats been predicated for days does arrive staff trained for the momentous task of sleet clearing are on shift