1941-built Interstate Cadet maintained airworthy within Greg Herrick's Collection.

1929-built six-seat passenger aircraft restored in its Navajo Airways (Arizona) colours. It had latterly served as a freighter in Mexico before returning to the USA for restoration by Greg Herrick's private museum.

1928-built executive six-seat aircraft. Marked as No. 24 and fuselage badge as a participant in the long distance National Air Tour. Preserved airworthy in Greg Herrick's private museum near Minneapolis.

Circa 70 examples of the Buhl CA-3 Airsedan 3/5-seat biplane series were built in 1928/29. Two are known to survive. This CA-3E of 1929 was bought by Packard Motors and fitted with their DR-980 diesel as a demonstrator. After many years disuse it was fitted with a Wright 975 engine and reflown in 1996 by Greg Herrick's private collection.

Designed in 1929. It has an all-metal structure, the cabin was covered with corrugated aluminum and the rest of the airframe was fabric covered. It could carry six persons, Two were built. This example was converted to freight role in 1937. Restored and maintained airworthy by Greg Herrick's excellent private collection at Anoka-Blaine.