STC SA1232NW

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

Number SA1232NW

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

Part 25 of the Federal Aviation Regulations. (See Type Certificate Data Sheet A16WE for Complete Certification Basis) Original ProductType Certificate Number: A16WE Make: Boeing Model: 737-200

Description of the Type Design Change: Installation of 131 passenger seating arrangement and passenger service units in accordance with FAA Sealed Tramco Drawing 81-013 dated May 13, 1981, or later FAA approved revisions.

Limitations and Conditions: The approval of this change in type design applies basically to the above model aircraft only. This approval should not be extended to other 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 aircraft. A copy of this Certificate and a copy of Tramco Drawing 81-013 shall be maintained as part of the permanent records for the modified aircraft.

Date of application: May 11, 1981 Date reissued: October 24, 2018 Date of issuance: May 15, 1981 Date amended:

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

(Signature)

Manager, Seattle ACO Branch (Title)