STC SA4323NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate This certificate issued to: Alaska Airlines Number: SA4323NM Surrendered Purt 25 of the Federal Aviation Regulations.

Original Product -Type bertificate Number: AGWE Make: McDonnell Douglas Model: DC-9-82 Description of Type Design Change: Installation of passenger seating arrangement in accordance with Alaska Airlines Master Drawing List No. 82520331, Revision B, dated May 9, 1988, or later FAA-approved revisions.

Limitations and Conditions: to the above model aircraft only, and requires the closet The approval of this change in type design applies basically installation in accordance with STC number SA2040NM. 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 FAA-approved Alaska Airlines Master Drawing List 82520331 shall be maintanced parant de supp ping and ticks de far or monsied areanin effect until surrendered, suspended, revcked, or a termination date is thorvise established by the Administrator of the Federal Aviation Administration Date of Application: Apr11 25, 1988 Date Reissued:

Date of Issuance: May 9, 1988 Date Amended:

FEDERAL AVIATION By direction of the Administrator Gann * MINISTRATOR Certification Office Assist. Manager, Seattle Aircraft (Title)