STC SA4-1234

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA4-1234 This certificate issued to: ROCKY TOP LEASING, INC.

1027 River Bend Drive Chattanooga, TN 37419 Part 3 of the Civil Sir Pegulations.

Original Product Type Certificate Number: 6A1, 2A4 Make:

Aero Commander Model:

500A, 500B, 560, 560A, 560E, 560F, 680, 680E, 680F, 680FL, 720 Description of Type Design Change: Installation of electrical low fuel warning device to indicate last 25 gallons of useable fuel in the main (center) tank, per Executive Radio and Aircraft Service, in Drawing No. E60M45.

Limitations and Conditions: . This approval should not be extended to other specific airplanes of this model on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplanes. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of Application: May 19, 1960 Date Reissued: November 4, 1970, March 10, 2009 Date of Issuance: July 25, 1960 Date Amended: January 14, 1964 FEDERAL AVIATION By Direction of the Administrator tbit Hai-Sil * Manager, Technical & Administrative Support TOMINISTRATO Staff, Los Angeles Aircraft Certification Office

TRANSFER ENDORSEMENT Transfer the ownership of the Supplemental Type Certificate Number to (Name of transferee) (Address of transfer) (Number and street) (City, State, and Zip code) trom (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and Zip code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):