STC SA2680SW

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P. O. Box 30B Alice, Texas 78333 Civil Air A7CE Cessna 414 Installation of turbocharged Lycoming IO-720-B1BD engines, Hartzell HC-F4YR-2RUF/FC 7663DB-4R propellers and increase of maximum takeoff and landing weight to 6825 Ibs., in accordance with Riley Turbostream Corp.

Drawing Ho. 340000 revised through 10/10/77, or Riley Turbostream Corporation sealed Drawing List (Drawing Ho. 340000 "B"j dated 9/19/79, or later FAA sealed revision.

Riley Aircraft Corp. FAA Approved Airplane Flight Manual Supplement dated 11/30/77, is required or later FAA approved revision.

1. Zero fuel weight is 6200 Ibs. 2. Cessna Service Kit No.

SK414-8E must be installed in accordance with Cessna Multi-Engine Service Letter Ho.

ME76-2. 3. Compatibility of this design change with previously approved modifications must be determined by the installer.

(svz/se<si. . August 20, 1976 .• Hovember 30, 1977 August 19, 1991, June 5, 1996 (Signature) <*T\Ronald K. Rathgeber " Associate AGO Mgr., Airframe S Services Wichita Aircraft Certification Office ' (Title)

The FAA will reiaaue the certificate in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Numt>er_ to (Name of transferee) (Address of transferee) (Number and street} (City, State, and ZIP code) from (Name of grantor) (Print or type) (Address of grantor) (Number S street) (City, State, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink)