STC SA5959NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA5959NM This certificate issued to: U.S. Department of the Interior Office of Aircraft Services 3905 Vista Avenue, P.O. Box 15428 Boise, Idaho 83715-5428 Part 10 of the CiVil Air Regulations:

Original Product - Type bertificate Numben: TA15 Make: Pilatus Aircraft Ltd., Switzerland Model: PC-6/C-H2 Complim y Pair levision in ta May 25, 1693, at photographs engine as per March 24, 1992.

Imilalins and banditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Pilatus PC-6/C-H2, S/N 2068, R/N N5308F only. A copy of this certificate and FAA Approved Flight Manual Supplement dated June 10, 1993, must be maintained as a part of the permanent record for the modified aircraft.

(continued on page 3)

Date of Application: January 7, 1992 I ate missiest: July 20, 1993 Salesfisuance: June 10, 1993 S ate wrended.

FEDERAL AVIATION By dineting of the Adminis ( Signature) Manager, Special Certification Branch Seattle Aircraft Certification Office (Title)

FAA FOR 8110-2 (10-68)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA5959NM Limitations and Conditions: (Continued) The conditions and limitations of the Type Certificate Data Sheet No. 7A15 apply except where superseded by the following:

Engine: Airesearch TPE 331-1-151K Engine Limits: SHP Torque RPM EGT (psi) (%) (° C) Take-off 575 53.0 100 578 * Max. Continuous 500 47.5 100 578 * Absolute Maximum 105 - -- (max 5 seconds) Starting 815 (max 1 second)

END - - - -

47.

PAGE 3 OF 3 PAGES c FAA AC B2-03578