STC SA3359NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA3359NM This certificate issued to: Ron and John's Comanche Service Part 3 of the Civil Air Regulationes dated November 1, 1949 Original Product -TypeBertificate lumber: 1A15 Make: Piper Mirtel: PA-24-260 Description of Type Design Change:

Modification of the vacuum system including installation of an engine which has been modified by the addition of a second engine driven vacuum pump. The airframe modification is in accordance with Ron and John's Comanche Service Installation Instructions dated April 2, 1986. The engine modifications are in accordance with Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only. 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, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate and rendered, suspended, rorked, or a termination date is therevise established by the Sidministrater of the Federal Aviation Administration .

Tales# application: January 16, 1986 Date Reissued:

Date of Issuance: April 15, 1986 Date Amended:

FEDERAL AVIATION By Direction of the Administrator William B Oakworth ( Signature ) TOMINISTRANOS Manager, Seattle Aircraft Certification Office (Title)

47.