STC SA09514AC-D

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA09514ACD This certificate issued to: S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 Certifies that the change in the type design for the following product with the limitations and conditions thorefer as specifed hereon meets the ancorthiness requiements of I art 3 of the Cied in Regulations.

Original Product I ype Cortificate Number:

AICE Beech C23, A24R, B24R, C24R, A23-19, 19A, M19A, B19, 23, A23, A23A, A23-24, B23, and A24 Installation of S-TEC System 30 ALT Altitude Hold System, Model ST-893, according to Bulletin No. 993, dated 11-14-01 and Master Drawing List No. 921207, dated 11-14-01 or later FAA Approved revisions of the above data (14 Volt System).

(See Continuation Sheet, Page 2, a part of this STC.)

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: 11-15-01 Date Reissued:

Date of Issuance: 11-19-01 Date Amended:

By Direction of the Administrator FEDERAL AVIATION Mall Hei (Signature) TOMNISTRATO Michael Keirnan DAS Staff Coordinator, DAS 5 SW (Title)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA09514AC-D Limitations and Conditions: (con't.)

1. Models A23-19, 19A, M19A, B19, 23, A23, A23A, A23-24, B23, and A24 eligibility limited to airplanes when modified in accordance with Beech Service News Letter Volume XX, No. 11 and Beech Service Instructions No. 0253-151.

FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement, P/N 892093, dated 11-19-01 is required for Beech models A24R, B24R, and C24R or later FAA Approved revisions of the above supplement.

FAA/DAS Approved Supplemental Flight Manual, P/N 892094, dated 11-19-01 is required for Beech model C23; and Beech models A23-19, 19A, M19A, B19, 23, A23, A23A, A23-24, B23, and A24 when modified in accordance with Beech Service News Letter Volume XX, No. 11 and Beech Service Instructions No. 0253-151 or later FAA Approved revisions of the above supplement.

Compatibility of this modification with other previously approved modifications must be determined by the installer.

FAA Form 8110-2-1(10-69) Page 2 of 2

INSTRUCTIONS. The transfer endorsement below may be used to notify the appropriate FAA Fegional 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):