STC ST04486AT

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to th e design data nor to alter an aircraft, aircraft engine, or propeller. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the ST C holder.

FAA Form 8110-2 (5/14) Page 1 of 3

Number: ST04486AT

This certificate issued to: Delta Flight Products, LLC.

3980 Tradeport Blvd, Bldg 1200 Atlanta, GA. 30354

Part 25 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: A2NM Make: Boeing Model: 757-200 Series

Description of Type Design Change: Installation of Antimicrobial LED Lavatory Light in Boeing 757-200 series aircraft in accordance with Delta Flight Products Master Data List 20D38MDL001, Revision B, dated October 19, 2020, or later FAA Approved revision. Delta Flight Products Instructions for Continued Airworthiness (ICA) 20D38R009ICA, Rev B, dated October 12, 2020, or later FAA approved revisions, are a required part of this STC.

1) This installation must not be incorporated in any aircraft unless it is determined that the interrelationship between it and any FAA previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft.

2) A copy of this Supplemental Type Certificate (STC) must be included in the permanent record of the modified aircraft.

3) The installer must determine whether this design change is compatible with previously approved modifications.

Date of Application: July 28, 2020 Date Reissued:

Date of Issuance: October 23, 2020 Date Amended:

Signature Title (for) Christina Underwood Manager, Atlanta Aircraft Certification Office

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, ai rcraft engine, or propeller.

FAA Form 8110-2 (5/14) Page 2 of 3

To (Name and address of transferee)

From (Name and address of grantor)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST04486AT

Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, ai rcraft engine, or propeller.

FAA Form 8110-2 (5/14) Page 3 of 3

Limitations and Conditions: (Cont’d)

4) For Instructions for Continued Airworthiness, refer to Company document and Instructions for Continued Airworthiness (ICA) 20D38R009ICA, Rev B, dated October 12, 2020, or later FAA approved revisions. This document must be made available to the operator at the time of installation.

5) If the holder agrees to permit a person to use this certificate to alter a product, the holder must give this person written evidence of that permission.

Certification Basis:

Based on 14 CFR §§ 21.115 and 21.101, and the FAA policy for significant change s in FAA Order 8110.48, the certification basis for the Boeing Model 757-200 is as follows:

a. The type certification basis for Boeing Model 757-200 series airplanes is shown on TCDS A2NM for parts not changed or not affected by the change.

b. The certification basis for parts changed or affected by the change since the reference date of application, July 28, 2020, is based upon part 25 as amended by Amendment 25-45. Based on 14CFR §§

21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for this modification was determined to be:

Regulations at the latest amendment 25-0 through 25-146

25.853(a)

Regulations at an intermediate amendment

25.869(a)(4) Amdt. 25-113

Regulations at the amendment level in TCDS A2NM

25.29(b), 25.301(a)(b)(c), 25.303, 25.305(a)(b), 25.307(a), 25.561(a)(b)(3)(c), 25.601, 25.603(a)(b), 25.605,

25.609(a)(b), 25.611, 25.613(a)(b), 25.625(a)(b)(c), 25.789, 25.1301(a)(b)(c)(d), 25.1309(a)(b), 25.1351(a)(1),

25.1353(a), 25.1431(c), 25.1529, 25.1541(a)(1)(b).

14 CFR Part 26 Regulations

Based on 14 CFR 21.101(g), applicable provisions of 14 CFR Part 26 are included in the certification basis. For any future 14 CFR part 26 amendment, the holder of this STC must demonstrate compliance with the applicable sections. As of the issuance date of this STC, compliance has been found for the regulation 26.11(c) (Amdt. 26- 0 through 26-6).

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