STC SA3327NM

Un ited S tates of Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate

Number SA3327NM

This certificate, issued to Aviation Technical Services 3121 109th Street SW Everett, WA 98204-3500

Part 4b of the Civil Air Regulations. (See Type Certification Data Sheet A6WE for complete certification basis.)

Original ProductType Certificate Number: A6WE Make: McDonnell Douglas Model: DC-9, All Series

Description of the Type Design Change: Installation of Kevlar Composite Aft Tip Fairing for vertical stabilizer in accordance with FAA approved Tramco Top Drawing 85-005, Rev. C, dated June 11, 1985, or later FAA approved revision.

Limitations and Conditions: The approval of this change in type design applies basically to the above model aircraft only, except those incorporating a crash position indicator installation in this location. This approval should not be extended to other aircraft of this model on which other previously approved modification s 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 aircraft. A copy of this Certificate and FAA approved (applicable documents etc., by title, number, revision and date of revision) or later FAA approved revisions shall be maintained as part of the permanent records for the modified aircraft.

Date of application: January 7, 1986 Date reissued: October 24, 2018 Date of issuance: February 10, 1986 Date amended:

FAA FORM 8110-2 (5/14) PAGE 1 OF 2 PAGES By direction of the Administrator

(Signature)

Manager, Seattle ACO Branch (Title)