STC SA09544AC-D

Number SA09544AC-D

This Certificate issued to S-TEC Corporation One S-TEC Way Mineral Wells, TX 76067-9236

23 of the Federal Aviation Regulations.

(For Certification Basis See Continuation Sheet 3 of 3)

Original Product Type Certificate Number : 3A20 Make : Raytheon Aircraft Company Model : 65-90; 65-A90; 65-A90-1; 65-A90-4; B90; C90;

E90; H90; C90A; C90GT Description of Type Design Change:

1. Installation of S-TEC 01304 Digital Flight Control System (DFCS), in accordance with Master Data List ST-925-L-0001, Revision C, dated 1-03-08, or later FAA approved revisions.

2. FAA/DAS approved Airplane Flight Manual Supplement No. ST-925-M-0001, Revision A, dated 1-03-08, or later FAA approved revision is required.

Date of application : November 21, 2006 Date of issuance : March 08, 2007 Date reissued : January 03, 2008 Date amended :

(Signature)

James W. Smisek DAS-100.2 DAS administrator, DAS700096SW (Title)

FAA Form 8110-2-1(10-69) Page 2 of 3

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)

Signature of grantor (In ink):

FAA Form 8110-2-1(10-69) Page 3 of 3

Number SA09544AC-D Date Re-Issued: 1-03-08 Limitations and Conditions (con’t.)

1. Compatibility of this design change with previously approved modifications must be determined by the installer.

2. Only eligible on models 65-90 S/N: LJ-1 through LJ-113 (except LJ-76); 65-A 90 S/N: LJ-76, and LJ- 114 through LJ-317; 65-A90-1 S/N: LM-1 and up; 65- A90-4 S/N: LU-1 and up; B90, S/N: LJ-318 through LJ-501; C90, S/N: LJ-502 through LJ-1062; E 90, S/N: LW-1 and up; H90, S/N: LL-1 and up;

C90A, S/N: LJ-1063 through LJ-1726, LJ-1728 through LJ-1753, and LJ -1755; C90GT, S/N: LJ-1727, LJ-1754, and LJ-1756 and up.

3. If the holder agrees to permit another person to use this certificate to alter the product, the holder must give the other person written evidence of that permission.

Certification Basis: Compliance determination used for this STC

FAR 23.143 Amdt 50 FAR 23.672 Amdt FAR 23.1367 Amdt - FAR 23.253 Amdt 50 FAR 23.677 Amdt 23-49 FAR 23.1381 Amdt 49 FAR 23.301 Amdt 23-48 FAR 23.685 Amdt 23-17 FAR 23.1419 Amdt 23-43 FAR 23.303 Amdt - FAR 23.689 Amdt 23-7 FAR 23.1431 Amdt 23-49 FAR 23.305 Amdt 23-45 FAR 23.693 Amdt - FAR 23.1501 Amdt 23-21 FAR 23.307 Amdt - FAR 23.771 Amdt 14 FAR 23.1525 Amdt 23-45 FAR 23.391 Amdt 48 FAR 23.777 Amdt 51 FAR 23.1527 Amdt 23-45 FAR 23.395 Amdt 23-7 FAR 23.779 Amdt 51 FAR 23.1529 Amdt 23-26 FAR 23.397 Amdt 45 FAR 23.853 Amdt 49 FAR 23.1541 Amdt 23-21 FAR 23.561 Amdt 23-48 FAR 23.867 Amdt 23-49 FAR 23.1555 Amdt 23-50 FAR 23.571 Amdt 23-48 FAR 23.1301 Amdt 23-20 FAR 23.1581 Amdt 23-50 FAR 23.573 Amdt 23-48 FAR23.1307 Amdt 49 FAR 23.1583 Amdt 23-50 FAR 23.575 Amdt 23-48 FAR 23.1309 Amdt 23-49 FAR 23.1585 Amdt 23-50 FAR 23.601 Amdt - FAR 23.672 Amdt FAR 34 Amdt 34-3 FAR 23.603 Amdt 23-23 FAR 23.1321 Amdt 23-49 FAR 23.1357 Amdt 23-43 FAR 23.605 Amdt 23-23 FAR 23.1322 Amdt 23-43 FAR 36 Amdt 36-25 FAR 23.607 Amdt 23-48 FAR 23.1325 Amdt 50 Special Cond Letter 01/21/1963 FAR 23.609 Amdt - FAR 23.1329 Amdt 23-49 Special Cond Letter 02/15/1963 FAR 23.611 Amdt 23-48 FAR 23.1335 Amdt 23-20 Special Cond Letter 02/27/1963 FAR 23.613 Amdt 23-45 FAR 23.1351 Amdt 23-49 Special Cond Letter 05/05/1965 FAR 23.619 Amdt 23-7 FAR 23.1321 Amdt 23-49 Special Cond Letter 11/08/1961 FAR 23.623 Amdt 23-7 FAR 23.1322 Amdt 23-43 FAR 23.1321 Amdt 23-49 FAR 23.625 Amdt 23-7 FAR 23.1329 Amdt 23-49 FAR 23.1367 Amdt - FAR 23.627 Amdt - FAR 23.1357 Amdt 23-43 FAR 23.671 Amdt - FAR 23.1365 Amdt 23-49

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