Engine Inspection A Cessna 180 aircraft has a McCauley propeller Model No. 2A34C50/90A. The propeller is severely damaged in a ground accident, and this model propeller is not available for replacement. Which of the following should be used to find an approved alternate replacement? a. Summary of Supplemental Type Certificates. b. Aircraft Specifications/Type Certificate Data Sheets. c. Aircraft Engine and Propeller Specifications/Type Certificate Data Sheets.