STC SA9020NM-D

Number SA9020NM-D This certificate issued to Sierra Nevada Corporation/Integrated Mission Systems.

18635 Jarkey Drive Hagerstown, MD 21742

Part 25 of the Federal Aviation Regulations.

Original Product -- Type Certificate Number : A20EA Make : DEHAVILLAND

Model : DHC-7-102

Increase in Ramp Weight to 49,000 pounds per Northrop Grumman/California Microwave System, Master Data List ER 115-1000 Rev. C, dated May 9, 1999.

1. The subject aircraft must be modified in accordance with STC ST00147DE prior to conducting the modifications approved herein. A copy of this STC must be included in the permanent records of the modified aircraft.

2. California Microwave, Inc. Airplane Flight Manual Supplement CMI 98170-060, Rev B, FAA approved June 16, 1999 is required with this STC.

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

4. 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 : June 5, 1995

Date of issuance : July 26, 1995 Date reissued : January 30, 1998, April 16, 2003 April 23, 2004, May 5, 2006

Date amended : July 14, 1998, December 24, 1998, June 16, 1999

( Signature) Anthony Socias Manager, New York Aircraft Certification Office

(Title)

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

Number ST00460NY Issued July 16, 1998 Date amended: July 31, 1998

4. This approval should not be incorporated in any aircraft of this specific model on which other approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those previously incorporated approved modifications will not introduce any adverse effect upon the airworthiness of the aircraft.

5. If the holder agrees to permit another person to use this certification to alter the product, the holder shall give the other person written evidence of that permission.

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