DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION TYPE CERTIFICATE DATA SHEET NO. P904 Propellers of models described herein conforming with this data sheet (which is part of Type Certificate No. P904) and other approved data on file with the Federal Aviation Administration, meet the minimum standards for use in certificated aircraft in accordance with pertinent aircraft data sheets and applicable portions of the Federal Aviation Regulations provided they are installed, operated and maintained as prescribed by the approved manufacturer's manuals and other approved instructions. Type Certificate Holder Sensenich Propeller Manufacturing Company, Inc. Type Fixed-Pitch Metal Material Aluminum Alloy Number of Blades Two Basic Model Takeoff & Standard Hub Drilling_ Hub Dimensions Weight (See Note 2) Max. Cont. Diameter Pitch No. Dia. Dia. Bolt Dia. Thick. (lb.) HP RPM Holes Holes Circle (Max. Dia.) Certification Basis Type Certificate No. 904 Production Basis Production Certificate No. 1NE NOTE 1. Installation. These models are for installation on flanged propeller shaft ends (see NOTE 2). Installation is to be made with special steel bolts which are furnished or specified by the propeller manufacturer in accordance with the appropriate propeller assembly drawing. See NOTE 7 for spacer designations and NOTE 9 for approved spacer lengths. a. Propeller Model 69CK and 72CK are installed on SAE No. 1 flanged shaft or tapered shaft. b. Propeller Model 72CC is installed on SAE ARP-502 flanged shaft.

NOTE 2. Model Designation Model Designation | Designates design change Pitch in inches at .75 radius station Designated cut-off in inches from basic diameter Designates a 12/4 or 3 inch spacer thickness Designates hub configuration "K" - for installation on SAE No. 1 (Ref. AS 127) flanged shaft or tapered shaft "C" - for installation on SAE ARP-502 flanged shaft Designates blade design Basic diameter in inches Designates metal propeller Not included on propellers with Serial No. 1622 & up, which are otherwise the same. NOTE 3, 4, 5, 6, and 8. Not applicable. NOTE 7. Spacers. Sensenich spacer...