STC ST11258DS

Number: ST11258DS

This certificate issued to: American Airlines, Inc.

3900 North Mingo Road Engineering Dept., MD 208/TUL Tulsa, OK 74116

Part 25 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: A28NM Make: Airbus Model: A321-211/-231

Installation of new first class seats, new hanging soft dividers, sidewall mounted literature pockets, and repitch two rows of main cabin seats in accordance with Master Data List, 103351-MDL, Revision A, dated August 31, 2020 or later ODA-700094-SW approved revision.

This approval should not be incorporated in any aircraft of this specific model until compatibility of this modification with previously approved modifications has been determined by the installer. 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.

(Limitations and Conditions continued on page 3 of 3)

Date of Application: June 16, 2020 Date Reissued:

Date of Issuance: August 31, 2020 Date Amended:

Signature Cheryl L. Hurst

Title: ODA-700094-SW Administrator

FAA Form 8110-2 (5/14) Page 1 of 4

Transfer the ownership of Supplemental Type Certificate Number: ST11258DS

To (Name and address of transferee)

From (Name and address of grantor)

FAA Form 8110-2 (5/14) Page 2 of 4

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST11258DS

This STC is contingent on concurrent incorporation of the following FAA approved service bulletin:

For Aircraft Serial numbers 1403, 1412, 1417, 1431, 1442, 1455, 1462, 1465, 1472, 1481, 1492, 1499, 1517, 1519, 1521, 1525, 1531, 1536, 1539, 1651, 1666, 1701, 1704, 1724, 1425, 1436, 1447, 1496

1. Airbus Service Bulletin for Equipment/Furnishing – PAX Compartment – Adapt Classic Cabin Layout to A 190 PAX Dual Class Configuration, SB A320-25-1BJW, dated February 15, 2019 or later approved revision

2. Airbus Service Bulletin for Equipment/Furnishing – PAX Compartment Seats – ADAPTISPSS System for 190 PAX Dual Class Cabin, SB A320-25-1BJZ, dated February 12, 2019 or later approved revision

3. Airbus Service bulletin for Equipment/Furnishing - Overhead Stowage Compartment – Install XL Fixed Bins with Classic CIDS, SB A320-25-1BKM, dated February 04, 2019 or later approved revision For Aircraft Serial Numbers 5504, 5513, 5588, 5594, 5644, 5659, 5684, 5696, 3584, 3629, 3633, 3879, 3928, 5444, 5475, 3712, 3740, 3796, 3858, 3881, 3944, 3960, 3977, 3989, 3993, 4025, 4041, 4050, 4082, 4107, 4134, 4843, 4847, 4850, 4885, 4932, 4940, 4957, 4960, 4966, 5244, 5269, 5282, 5292, 5300, 5317, 5332, 5368, 5728, 5751, 5899, 5939, 5980, 6027, 6035, 6100, 6133, 6152, 6175, 6181, 6194, 6214, 6230, 6236, 6264, 6255, 6337, 6387, 6420, 6427, 6443, 6479, 6490, 6523, 6537, 6543, 6569, 6613, 6618, 6625, 3924, 6249, 4123, 4893, 4898, 4935, 5235, 5409, 5422, 5763, 5795, 5800, 5374

1. Airbus Service Bulletin for Equipment/Furnishing – PAX Compartment – Adapt Classic Cabin Layout to A 190 PAX Dual Class Configuration, SB A320-25-1BJX, dated May 24, 2019 or later approved revision

2. Airbus Service Bulletin for Equipment/Furnishing – PAX Compartment Seats – ADAPTISPSS System for 190 PAX Dual Class Cabin, SB A320-25-1BJZ, dated February 12, 2019 or later approved revision

3. Airbus Service bulletin for Equipment/Furnishing - Overhead Stowage Compartment – Install XL Fixed Bins with Classic CIDS, SB A320-25-1BKS, dated February 06, 2019 or later approved revision For Aircraft Serial numbers 6162, 6222, 6227, 6238, 6252, 6256, 6271, 6272, 6313, 6334, 6346, 6401, 6407, 6472, 6473, 6482, 6495, 6520, 6532, 6647, 6650, 6687, 6667, 6656, 6711, 6745, 6723, 6783, 6761, 6802, 6790, 6812, 6828, 6840, 6887, 6908, 6928, 6940, 6983, 6998, 7009, 7034, 7069, 7085, 6621, 6866, 6909, 6956, 7154, 6973, 7013, 7046, 7079, 7307, 7336, 7131, 7157, 7188, 7407, 7301, 7310, 7515, 7349, 7509, 7525, 7539, 7541, 7419, 7564, 7617, 7636, 7500, 7519, 7566, 7613, 7700, 7651, 7732, 7775, 7756, 7876

1. Airbus Service Bulletin for Equipment/Furnishing – PAX Compartment – Adapt Classic Cabin Layout to A 190 PAX Dual Class Configuration, SB A320-25-1BJY, dated August 16, 2019 or later approved revision

2. Airbus Service bulletin for Equipment/Furnishing - Overhead Stowage Compartment – Install XL Fixed Bins with Classic CIDS, SB A320-25-1BKT, dated September 23, 2019 or later approved revision

The Instructions for Continued Airworthiness, Document Number 103351-ICA, Revision C, dated August 30, 2020 or later FAA/ODA accepted revision shall be made available to the operator at the time of installation. The aircraft shall be maintained in accordance with the applicable Instructions for Continued Airworthiness. A revised EWIS ICA is not required for this STC.

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FAA Form 8110-2 (5/14) Page 3 of 4

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST11258DS

Certification Basis:

Based on 14 CFR 21.115 and 21.101, and the FAA policy for non-significant changes in FAA Order 8110.48, the certification basis for the Airbus Model A321-211/-231 aircraft for the change is as follows:

a. The Type Certification basis for Airbus Model A321-211/-231 airplanes is shown on TCDS A28NM 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, June 16, 2020 is based upon Part 25, as amended by Amendment 25-146 and Part 26 as amended by Amendment 26-

6. Based on 14 CFR 21.115 and 21.101, and the FAA policy for non-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

25.301, 25.303, 25.562(a)(c)(2)(4)(5)(6)(7)(8), 25.601, 25.603, 25.605, 25.609, 25.619, 25.789(a), 25.815, 25.817,

25.831(b)(c), 25.1316(b), 25.1317(b), 25.1423(c), 25.1438(b), 25.1501(a)(b), 25.1529, 25.1541

Regulations at an intermediate amendment level

25.613 Amendment 72, 25.853(a)(d) Amendment 83, 25.869(a)(4) Amendment 72, 25.981(a)(3)(d) Amendment 125

Regulations at the amendment level in TCDS A28NM

25.21(a)(1), 25.29, 25.305(a)(b), 25.307(a), 25.365(e)(g), 25.561, 25.611, 25.625, 25.785(a)(b)(d)(e)(i)(1)(3),

25.787(a), 25.791, 25.803(a), 25.811(b), 25.812(e)(1), 25.863(a)(b)(d), 25.1301(a)(b)(c)(d), 25.1309(a)(b)(d)(g),

25.1353(a)(b)(c)(1)(2)(3)(4), 25.1357(a)(c), 25.1411(f), 25.1431(a)(c), 25.1447(a)(c)(1)

Special Conditions:

FAA Special Conditions 25-375-SC, “Special Conditions: Airbus A318, A319, A320 and A321 Series Airplanes;

Inflatable Restraints”, dated November 12, 2008

FAA Special Condition 25-671-SC, “Special Conditions: Airbus, Models A318, A319, A320, A321 Series Airplanes; Non-Rechargeable Lithium Battery Installations”, dated May 16, 2017; SC1, SC2, SC3, SC4, SC5, SC6

Issue Paper:

FAA Issue Paper S-1 for Installed Non-Rechargeable Lithium Batteries Means of Compliance, dated May 19, 2019 Transport Airplane Position Paper, TAPP_AIR-671 NRLB for AmSafe, dated November 07, 2019

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 amendments, the holder of this STC must demonstrate compliance with the applicable sections. As of the issuance of this STC, compliance has been found for the following regulations 14 CFR §

26.11(c)(d)(5) (Amendment 26-0).

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FAA Form 8110-2 (5/14) Page 4 of 4