STC SA2100CE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA210CE This certificate issued to: Petersen Aviation, Inc.

Route 1, P.O. Box 18 Minden, Nebraska 68959 Part 4a of the Civil Air Regulations.

Original Product - Type Certificate Number: A-768 Make: Cessna Model: 120, 140 Description of Type Design Change: Operation of airplane on unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index (RON + MON) /2 per ASIM Specification D-439. Intermixing with aviation gasoline also approved. DATA REQUIRED:

1. Petersen Drawing No. 7659 dated April 18, 1985, or later FAA Approved revision.

2. Airplane Flight Manual Supplement dated August 10, 1984, or later FAA Approved revision.

Limited to those airplanes equipped with gravity fuel feed to Limitations and Conditions: the carburetor and certificated (original or SIC) or FAA Field Approved engine installations. All engines must have separate approval for operation on automotive gasoline in the form of Supplemental or Type Certificate approval. This approval should not be extended to other specific airplanes of these models on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of these other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

Date of Application: April 27, 1984 Jute weissued:

Date of Issuance: . April 26, 1985 Jaleumended: June 23, 1992 FEDERAL AVIATION By Direction of the Administrator Top dudes (Signature ) * MINISTRATO ~ Lawrence A. Herron, Manager Wichita Aircraft Certification Office (Title)

47.