STC ST00095DE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST00095DE This certificate issued to: STEVENS AVIATION, INC.

Part 4b of the Civil Air Regulations.

Original Product -Type Certificate Number: A-669 Make: McDonnell Douglas Corporation (MDC) Model: DC3-TP67 Description of Type Design Change:

Installation of a Sundstrand Mk-VI Ground Proximity Warning System, in accordance with Turbo West, Inc. GPWS Mk-VI system installation Master Drawing List No. TW-A-539, Revision O, dated January 14, 1994, or later FAA approved revision.

Supplemental Type Certificate Number SA4840NM is a required prerequisite for this modification. This required STC modifies the engines, propellers, fuel and electrical systems and adds a forward fuselage extension.

2.) This approval should not be extended to aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft.

3.) A copy of this Certificate and FAA Airplane Flight Manual Supplement, dated May 5, 1994, or later FAA approved revision, and Sundstrand Pilot's Information Guide No. 060-4087, Rev. A, must be maintained as part of the permanent records for the modified aircraft.

Date of Application: January 14, 1994 Date Reissued:

Date of Issuance: May 5, 1994 Date Amended:

FEDERAL AVIATION By Direction of the Administrator ROMAN T. GABRYS, (Signature) Acting Manager HOMINIST RATION Denver Aircraft Certification Field Office Northwest Mountain Region, Denver, Colorado (Title)