STC SA01246AT-D

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA01246AT-D This certificate issued to: Stevens Aviation, Inc.

10656 W. 120th Ave.

Broomfield, CO 80021 Certifies that the change in the type design for the following product with the limitations and conditions therofor as specified hereon meets the airoorthiness requirement's of Part 3 of the Civil Air Poegulations.

Original Product - ypo Certificate Number : 3A20 Make: Beechcraft Model:

E90 Description of Type Design Change: Installation and operation of a Bendix King EFS 50 Electronic Flight Instrument System installed in accordance with Master Control Drawing No. TW-A-682-000, Revision O, dated November 6, 1996, or later FAA approved revision.

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 affect upon the airworthiness of that airplane. FAA Approved Airplane Flight Manual Supplement, AFMS96080, dated March 6, 1997, or later FAA approved revision, is a required part of this This certificate and the supporting data which is the basis for approval shall remain in offect until surrendered, suspended, revoked or a termination dute is otheroise established by the Administrator of the Federal Aviation Administration Date of Application: January 2, 1997 Date Reissued: April 18, 1997 Date of Issuance: March 6, 1997 Date Amended:

FEDERAL AVIATION By Direction of the Administrator And Walk (Signature) Clark Walker TOMNISTRATO Acting Associate Manager, ACE-116A Atlanta Aircraft Certification Office (Title)