STC SA421EA-D

0022 Federal Aviation Agency Supplemental Type Certificate Number 5A4215A-1 This certificate issued to: American Airlines, Inc.

633 Third Avenue New York, New York Part 251 of the Federal Sviation CAR 4b Regulations.

Original Product - Typeertificate Number: 4A30 Model: Make: 30A General Dynamics (Convair) Description of Type Design Change:

Modify the interior cabin arrangenent to accommodate 139 passengers in an all coach configuration in accordance with Engineering Change Orders K.00909 dated 2/8/67, K.00909 Revision B dated 4/4/68, and the drawings as listed on Pages 3, 4, and 5 of Engineering Change Order K.00909 Revision B dated 4/4/68.

This approval should not be incorporated in any aircraft of this specific model on which other approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those previously incorporated approved modifications will not introduce any adverse effect upon the airworthiness of the aircraft. This modification is eligible only on aircraft which have been or are currently being modified with life raft stovage compartments for six 25 man life rafts in accordance with i so eat dishe supparing at which is the basis for approval shall nomaim in effectuntil sur vendered, suspended, revcked, or a termination date is otherwise established by the Administrator of the Federal Aviation Agency.

Date of Application: February 17, 1967 Date Reissued:

Date of Issuance: February 17, 1967 Date Amended: April 8, 1968 By Direction of the Administrator UNITED STATES OF AMERICA DAS 1EA Coordinator (Signature ) (Title)

47.

FAA FORM 8110-2 (1-66) 0052-657-6000

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and Z1P code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and Z1P code) Exent of Authority (if licensing agreement) :

Signature of grantor (In ink _..