Supplemental Flight Manual No. 3
Cessna 172 Skyhawk · Supplemental Type Certificate
Overview
This document is a Supplemental Flight Manual No. 3 for the Cessna Model 172 I, K, and L, specifically for serial numbers 17256513 through 17260758. It details the modifications required when installing a Sensenich propeller model 74DM7S14. The manual must be kept in the aircraft when the specified propeller is installed, as it contains important operational limitations and procedures that supplement the original aircraft documentation. The manual is FAA approved and outlines necessary placards and markings that must be adhered to for compliance with safety regulations.
- This manual is for Cessna Model 172 I, K, and L, S/N 17256513 through 17260758.
- The maximum engine speed is 2700 RPM.
- Static RPM range at full throttle is 2100 to 2400 RPM.
- Propeller model number is Sensenich 74DM7S14.
- Propeller diameter must be between 72.5 inches and 74 inches.
Document
Open original PDF ↗In this document
General
This section introduces the Sensenich Model 74DM7S14 propeller conversion for the Cessna 172. It specifies that the aircraft must be operated in Normal and Utility categories only after the conversion.
Limitations
The maximum engine speed is set at 2700 RPM. The static RPM range at full throttle, with the carburetor heat off and mixture leaned to maximum RPM, is between 2100 and 2400 RPM. The propeller specifications include a maximum diameter of 74 inches and a minimum of 72.5 inches.
Placards
A required placard must be displayed in the pilot's view, stating that the airplane must be operated in compliance with the limitations in this Supplemental Flight Manual and other related documents.
Full document text
Visit Our Web Site at http://www.sensenich.com SE NSE NIC H PROPELLER M A NU F AC T URI NG C OMP ANY, I NC. AREA CODE 717 PHONE - 569-0435 FAX - 560-3725 14 CITATION LANE LITITZ, PA 17543 FAA APPROVED AIRPLANE SUPPLEMENTAL FLIGHT MANUAL NO. 3 FOR REG. NO. CESSNA MODEL 172 I,K, AND L S/N 17256513 THROUGH S/N 17260758 WITH SENSENICH PROPELLER MODEL NUMBER 74DM7S14 SERIAL NO. PITCH:_______ This Supplemental Flight Manual must be installed in the aircraft when modified with the above propeller installed in accordance with Supplemental Type Certificate No. SA826NE dated 2/12/91 The information contained in this document supplements or supersedes the information contained in the form of Placards and Markings found in the airplane. For limitations, procedures, and performance information not contained in this manual, consult the original Placards and Markings. FAA APPROVED: Irwin N. Brumer Manager, New York Aircraft Certification Office DATE: PAGE 1 of 3 REVISED: FEB 12, 1991 Visit Our Web Site at http://www.sensenich.com Sensenich Propeller Manufacturing Company Supplemental Flight Manual #3 14 Citation Lane Cessna Model 172 I, K, and L Lititz, Pa. 17543 S/N 17256513 through 17260758 Record of Revisions: Retain this record in the manual. Upon receipt of revisions, insert revised page in the manual and enter the revision number, revision date, insertion date, revision page(s), signature of person approving the revision in the appropriate block. Rev.# Page(s) Affected FAA Description Approved Date Vertical bars should be placed in the margin of the revised pages to indicate changed material. FAA APPROVED DATE: FEB 12, 1991 PAGE 2 of 3 Visit Our Web Site at http://www.sensenich.com Sensenich Propeller Manufacturing Company Supplemental Flight Manual #3 14 Citation Lane Cessna Model 172 I, K, and L Lititz, Pa. 17543 S/N 17256513 through 17260758 Section 1 General This is a Sensenich Model 74DM7S14 propeller conversion. With this propeller conversion, the aircraft is to be operated in Normal and Utility categories only. Section 2 Limitations Maximum Engine Speed: 2700 RPM NOTE The static RPM range at full throttle (carburator heat off and mixture leaned to maximum RPM) is 2100 to 2400 RPM. Propeller Manufacturer: Sensenich Propeller Company Propeller Model Number: 74DM7S14 Propeller Diameter, Maximum: 74 inches Minimum: 72-1/2 inches F. Placards 1. The following placard must be displayed in full view of the pilot. "This airplane must be operated in compliance with the operating limitations contained in the Sensenich FAA Approved Supplemental Flight Manual No. 3 and as stated in the form of placards, markings, and manuals" Section 3 Emergency Procedures No change Section 4 Normal Procedures No change Section 5 Performance No change FAA APPROVED DATE: FEB 12, 1991 PAGE 3 of 3
