What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
The autogyro aircraft taxied for departure at the knyl airport. The purpose of the flight was to practice touch-and-go landings. After the final landing and while on runway 35, the autogyro encountered a wind dust-devil. These wind gusts blew the aircraft off the runway and into the grass area adjacent to the runway. The aircraft struck the runway 3L/21R entry sign causing substantial damage to the aircraft's carbon fiber fuselage, nose gear and left main gear. Neither PIC nor passenger were hurt.
As the FAA filed it
THE AUTOGYRO AIRCRAFT TAXIED FOR DEPARTURE AT THE KNYL AIRPORT. THE PURPOSE OF THE FLIGHT WAS TO PRACTICE TOUCH-AND-GO LANDINGS. AFTER THE FINAL LANDING AND WHILE ON RUNWAY 35, THE AUTOGYRO ENCOUNTERED A WIND DUST-DEVIL. THESE WIND GUSTS BLEW THE AIRCRAFT OFF THE RUNWAY AND INTO THE GRASS AREA ADJACENT TO THE RUNWAY. THE AIRCRAFT STRUCK THE RUNWAY 3L/21R ENTRY SIGN CAUSING SUBSTANTIAL DAMAGE TO THE AIRCRAFT'S CARBON FIBER FUSELAGE, NOSE GEAR AND LEFT MAIN GEAR. NEITHER PIC NOR PASSENGER WERE HURT.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.