STC ST11277DS

Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to t he design data nor to alter an aircraft, aircraft engine, or propeller. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is th e property of the STC holder.

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST11277DS This certificate issued to: VT DRB Aviation Consultants 9800 John Saunders Road San Antonio, TX 78216

Part _25 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: Make: Boeing Model: 737-800 A16WE

Installation of an interior reconfiguration in accordance with “Data List, Design Data, Jeju Air, B737-800, Cabin Reconfiguration,” document DL2121M01, revision D, dated June 27, 2019, or later approved FAA revision, and “Instructions for Continued Airworthiness for the Installation of Business Class Seats in Boeing 737-800 Series Aircraft,” document 2121CT00-01, revision -, dated June 20, 2019, or later accepted FAA revision, are required.

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

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

Date of Application: April 29, 2019 Date Reissued:

Date of Issuance: June 27, 2019 Date Amended:

Signature

Title VT DRB Aviation Lead ODA Administrator ODA-831473-SW

Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to t he design data nor to alter an aircraft, aircraft engine, or propeller. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is th e property of the STC holder.

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

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: ST11277DS

To (Name and address of transferee)

From (Name and address of grantor)

Possession of this Su pplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to t he design data nor to alter an aircraft, aircraft engine, or propeller. The STC’s supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is th e property of the STC holder.

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST11277DS

Date of Issuance: June 27, 2019

3. The FAA has reviewed the applicant’s assessment showing that this modification does not impact the existing electrical wiring interconnection system instructions for continued airworthiness (EWIS ICA) and found that no additional EWIS ICA tasks are required.

Certification Basis:

Based on 14 CFR §§21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for Boeing 737-800 aircraft modified with an interior reconfiguration is as follows:

a. The type certification basis for Boeing 737-800 airplanes is shown on TCDS A16WE 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, April 29, 2019, include:

Regulations at the latest amendment 25-0 through 25-145:

14 CFR §25.785 (a)(b)(c)(d)(f)(i)(j)(k), 25.853(a)(c) and 25.981 (a)(3).

Regulations at an intermediate amendment:

14 CFR § 25.571(a)(b) amd 25-86, 25.811 (c)(d)(g) amd 25-79, and 25.813 (d) amd 25-76.

Exemptions from 14CFR part 25– None

Equivalent safety findings exist with respect to the following regulations - None

Special conditions – 25-358-SC for Seats with Non-Traditional, Large, Non-Metallic Panels

Special Federal Aviation Regulations - None -------------- END -------------