Photographic slide of Joann Osterud performing stunts in a Sorrell SNS-7 Hiperbipe aircraft during the Medford Air Show, Oregon, circa August 1988.
Inscription on slide: "SW Oregon. Medford Air Show. Joann Osterud in Hiperbipe. Up fr. below…
Photographic slide of Joann Osterud seated in the cockpit of a Sorrell SNS-7 Hiperbipe aircraft, circa 1988-1989.
Caption stamped on slide: "Osterud [illegible]. Airshow. Joann Osterud. 'Supernova.' Photograph by Joe Reed."
Photographic slide of Joann Osterud (right) and Dorothy Stenzel (left) waving to the crowd at an air show in North Bend, Oregon, July 16, 1989.
Inscription on slide: "N. Bend Or Air Show. Dorothy Stenzel and Joann Osterud. 1. 7/16. FE-2, 500, L37."
Photographic slide of Joann Osterud (right) and Dorothy Stenzel (left) at an air show in North Bend, Oregon, July 16, 1989.
Inscription on slide: "N. Bend Or Air Show. Dorothy Stenzel and Joann Osterud. 2. 7/16. FE-2, 500, L37."
Photographic slide of Joann Osterud performing a tail slide stunt in a Sorrell SNS-7 Hiperbipe aircraft during the North Bend Air Show, Oregon, July 15, 1989.
Inscription on slide: "N. Bend Or Air Show. Joann Osterud. Hiperbipe. FE, 300 EDIF. Tail…
Photographic slide of Joann Osterud performing a tail slide stunt in a Sorrell SNS-7 Hiperbipe aircraft during the North Bend Air Show, Oregon, July 15, 1989.
Inscription on slide: "N. Bend Or Air Show. Joann Osterud. Hiperbipe. FE, 300 EDIF. Tail…
Photographic slide of Joann Osterud performing a four-point roll stunt in a Sorrell SNS-7 Hiperbipe aircraft during the North Bend Air Show, Oregon, July 15, 1989.
Inscription on slide: "N. Bend Or Air Show. Joann Osterud. Hiperbipe. FE, 300 EDIF.…
Photographic slide of Joann Osterud performing a stunt with colored smoke in a Sorrell SNS-7 Hiperbipe aircraft during the North Bend Air Show, Oregon, July 15, 1989.
Inscription on slide: "N. Bend Or Air Show. Joann Osterud. Hiperbipe. FE, 300 EDIF.…