STC SA1257SO

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA125750 This certificate issued to: Aviall Services, Inc. d/b/a Aviall Battery Shop P.O. Box 619048 Dallas, TX 75261 Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereen meet's the airverthiness requirenents of Part * of the Civil Air Roegulations *For certification basis, see Type Certificate Data Sheet.

Original Product -- Type Certificate Number: 3A20 A31CE A14CE A24CE Make: Beech Model: B90, C90, E90, H90 F90 100, A100, 200 B100 Description of Type Design Change: Install Utah Research and Development Company Model 126BC101 Battery Charging System in accordance with Installation Instructions and Master Parts List No. BSIM-06-S- 21, -22, and -23, all dated August 10, 1981, or later FAA approved revisions.

Limitations and Conditions: This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane. FAA Approved Airplane Flight Manual Supplement dated August 10, 1981, is required for each installation. 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.

протвани suspended, revoked or a terninalien dato is otherwise established by the Administrater of ike Federal Aviation Administration Date of Application: March 6, 1981 Date Reissued: February 17, 1987; October 31, 2002 Date of Issuance: . August 10, 1981 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Eugene & Ballin (Signature) TOMINSTRATIOR yor Melvin D. Taylor Manager, Atlanta Aircraft Certification Office (Title)

FAA FORM 8110-2110-68) PAGE 1 of 1 PACE

INSTRUCTIONS. The transfer endorsement below may be used to notify the appropriate FAA Pegional Office of the transfer of this Supplemental Type Certificate.

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

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number 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 and street) (City, State, and ZIP code ) Extent of Authority (if licensing agreement): - Date of Transfer:

Signature of grantor (In ink):