STC SA4221NM-D

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA4221NM-D Certificate This certificate issued to: Hollingsead International SURRENDERED 2226 Goodyear Avenue on 0-19-09 Ventura, California 93003 Part 25 of the Federal Aviation Regulations.

Original Product Type Certificate Number A20WE BOEING Model: 747-100, -200, -400 Description of Type Design Change: Interior moditication in accordance with the following documentation:

• Lucas Drawing 47401500-1, -3, -4, -5, -7 Rev. B, dated 1/7/94

• Nordskog DSL 47402000-1, -2, Rev. New, dated 12/17/93

• Nordskog DSL 47404000-1, -3, Rev. New, dated 12/17/93

• Nordskog DSL 47401000-1, Rev. New, dated 12/15/93

• Nordskog DSL 47403000-1, Rev. New, dated 12/17/93

• Northwest Airlines Engineering Order 2520-01470, Rev. A, dated 1/7/94

• Northwest Airlines Engineering Drawing SB 2520-01472-3, Rev. A, dated 2/1/94, or later FAA approved Limitations and Conditions: This approval should not be incorporated on any certificated product of this model on which other approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those previously incorporated modifications will not introduce any adverse effect upon the airworthiness of the certificated product. A copy of this STC must be included in the permanent records of the modified aircraft. All of the above-described interior furnishings meet the flammability, heat release, and optical smoke density requirements of FAR 25.853(a)(c) Amendment

72. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of Application: October 15, 1993 Date Reissued: April 12, 1995; December 16, 1996;

April 1, 1998; August 1, 2005; July 31, 2006 Date of Issuance: January 11, 1994 Date Amended: January 20, 1994; January 28, 1994;

February 1, 1994 SEAL AVIVO By Direction of the Administrator Calta K. Woo (Signature) TOHMISTRATD Staff, Los Angeles Aircraft Certification Office Manager, Technical & Administrative Support (Title)

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

Signature of grantor (In ink):