STC SH1171SW

Part 6 of the Civil Air R egulations.

Original Product --Type Certificate N umber :

Installation of Metal Main Rotor Assembly No. 47-706-590-7 according to UTL Aeronautics Service Instruction No. 17 dated June 22, 1970 or later FAA approved revision.

1. Eligible on Bell Model 47G with Franklin 6V4200-C32, 6V335-A, or 6V350-A engines installed. When Franklin 6V350- A engine is installed, STC SH479SW is required.

2. STC SH1170 is required to be installed in conjunction with this STC. Operation Placard for the Large Area Synchronized Elevator is required.

3. The installer must determine whether this design change is compatible with previously approved modifications.

4. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other pers on written evidence of that permission.

This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the A dministrator of the F ederal A viation A dministration.

Scott’s- Bell 47, Inc.

100 Minnesota Avenue Le Sueur, MN 56058

H-1 M ake : Bell Helicopter Textron M odel : 47G Date reissued : 2/4/00; 4/30/04; 12/15/10; 8/7/14

B y direction of the A dministrator

Original Signed By:

Karol Mordasiewicz (Signature) Karol Mordasiewicz Manager, Airframe and Administrative Branch Chicago Aircraft Certification Office

(Title)

Date of application : May 14, 1970

Date of issuance : July 07, 1970