STC SA3251WE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA3251WE This certificate issued to: Learjet INC.

8220 West Harry Street P. O. Box 7707 Wichita, KS 67277 Certifies that the change in the type design for the flaving product with the limitations and condituns therefer as specsfied hereen mate the nira olhiness reque ..../..//fur/ 25 /"Federal Aviation (For certification basis, see T.C. Data Sheet AlOCE.)

Hut. Learjet 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F; 25, 25A, 25B, 25C, 25D, 25F;

35 , 35A; 36, 36A Installation of dual IDC Mach/Maximum Allowable Airspeed Indicators, with optional Fast/Slow Flight Director outputs, in accordance with FAA sealed Gates Learjet Corporation STC Specification Sheet Vo. T100005 TUC, Revision "A," dated July 19, 1976, or later TAA sealed revisions. FAA approved Airplane Flight Manual Supplement, dated August 13, 1976, or later FAA approved revisions, is required with this modification.

The approval of this change in type design applies only to the aforementioned aircraft. This approval should not be extended to other specific aircraft of this model on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

Thes certificate and the supperly data whach is the tavia prepproval shalt a rendered suspended, poked a he stealer of the tederal /mentio, I ate of sepplicate. July 19, 1976 W./ Made/ August 3, 1988; June 22, 1990 I ate of tam September 7, 1976 ...// January 5, 1982 AVIATION Hy archen of the Elmnistrater ¡ Signatur Lawrence A. Herron, Manager Wichita Aircraft Certification Office ¡ I itle :

47.