A pilot preparing for a weekend air show has died in the crash of her plane.

It happened Friday afternoon in Tarkio. Officials with the Atchison County Sheriff’s office say the 36-year-old pilot, whose name has not been released, was practicing aerial acrobatics when the single-passenger, single-engine plane went down.

The annual Wing Nuts Flying Circus air show is going ahead, today, as scheduled. The Federal Aviation Administration is investigating the incident.