The pilot of a tailwheel-equipped airplane reported that during the landing roll in crosswind conditions, the airplane encountered a wind gust, the tail swung to the right, and the airplane veered off the runway to the left. During the runway excursion, the right main landing gear impacted an airport sign and collapsed.
The right wing lift strut sustained substantial damage.
The pilot reported no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.
The automated weather observing system at the airport near the time of the accident reported the wind direction at 330 degrees true at 7 knots. The pilot reported that he landed on runway 5.