At about 2200 central time, a Saab AB 340 operated by Mesaba Airlines Inc. received substantial damage during a bird strike on approach to Minneapolis-St. Paul International Airport. The two pilots, one flight attendant, and 22 passengers were uninjured. The flight departed from Eau Claire, Wisconsin, and was en route to Minneapolis where it landed without incident. The airplane was descending through 4,000 feet msl at 245 knots indicated airspeed when an unknown number of geese struck the vertical stabilizer.