Piper Aircraft Corp.'s 1957 business aircraft fly in echelon near the company's Lock Haven, Pa., plant. Led by the PA-23 Apache twin are the new PA-24, new Comanche, PA-22 Tri-Pacer, and PA-18 Super ...
This is a photograph of a prototype Piper Cherokee, a new low wing, four-place, lightplane replacement for the Tri-Pacer. The aircraft in the image was being flown by Thomas F. Heffner, chief of ...