STC SA00687DE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA00687DE This certificate issued to: AIRDAT LLC 2535 South Lewis Way Suite 203 Lakewood, CO 80227 Part 23 of the Federal Aviation Poegulations. *Certification basis established in Type Certificate Data Sheet A24CE Original Product - Type Certificate Number: A24CE Make: Hawker Beechcraft Model: 1900C Description of Type Design Change:

Installation of Tropospheric Airborne Meteorological Data Reporting System (TAMDAR), in accordance with Master Drawing List, Document No. R6000-041, Revision H, dated November 03, 2009, FAA approved December 21, 2009 or later approved revision.

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

2.) Instructions for Continued Airworthiness, Document No. 2320-BE48-ICA, Revision D, dated May 22, 2009, FAA accepted dated December 21, 2009, or later FAA approved revision is required for this installation.

3.) A copy of this certificate and the FAA approved Airplane Flight Manual Supplement, Document No. 2320-BE48- AFM Rev. IR dated February 04, 2009, FAA approved March 25, 2009, or later FAA approved revision, must be maintained as part of the permanent records of the aircraft.

4.) If the holder agrees to permit another person to use this certificate, the holder shall give the other person written evidence of that permission.

TOMINSTRATO Program Manager.

Denver Aircraft Certification Office.

(Title) 47