# STC ST12231IB

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: APTOZ EHF.
- Description: Installation of 162 passenger LOPA
- Status date: December 4, 2025
- Data sheets: A16WE
- Certificate PDF: https://openairdocs.org/files/sha256/ef/55/ef5500625557a555151b780106fa1f62b661090b3d97add5ab70a912021ab714
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126684948020251215160244.0001
- Page: https://openairdocs.org/stc/ST12231IB

## ADs that name it

None.

## Approved models (1)

- The Boeing Company 737-800 Series (TCDS A16WE)

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

**IMPORT ST12231IB APTOZ EHF.**

**AKURGERDI 41 108 REYKJAVIK**

ICELAND Part 25 Title 14 Code of Federal Regulations A16WE The Boeing Company 737-800 Series

1. Concurrent modification: STG SaftGlo emergency floor path marking system is installed per FAA STC ST04562NY.

(See Limitations and Conditions Continued on Page 3 of 3) 10/21/2025 12/04/2025 John Yoo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 3

1. Installation of 162 passenger LOPA in accordance with Aptoz ehf Master Data List Number MDL251905, Revision IR, dated October 2, 2025, or later EASA approved revisions. Cabin reconfiguration from 144 to 162 passenger dual class LOPA, removing the previously fitted seats and installing 12 Geven Comoda B/C seats and 150 Geven Essenza E/C seats.

(See Description of Type Design Change Continued on Page 3 of 3)

2. Maintenance in accordance with Aptoz ehf Instructions for Continued Airworthiness Document Number ICA251905-1, Revision IR, dated August 27, 2025, or later EASA accepted revision.

3. Operation in accordance with Aptoz ehf Aircraft Flight Manual Supplement Document Number AFM251905-1, Revision IR, dated June 21, 2025, or later EASA approved revision.

2. This STC is applicable to all serial numbers for the applicable model.

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

4. 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.

Certification Basis:

14 CFR Part 25 Amendment 146 §§ 25.1, 25.29, 25.301, 25.303, 25.305, 25.307,25.341, 25.365, 25.561, 25.562 except (c)(5),

25.571, 25.601, 25.603, 25.605, 25.607, 25.609, 25.611, 25.613,25.619, 25.625, 25.785, 25.789,

25.791, 25.812, 25.813, 25.815, 25.817, 25.853, 25.863, 25.869, 25.899, 25.1301, 25.1441,

25.1302, 25.1309, 25.1351, 25.1353, 25.1355, 25.1357, 25.1360, 25.1411, 25.1415, 25.1431,

25.1443, 25.1445, 25.1447, 25.1450, 25.1529, 25.1541, 25.1561, 25.1581, 25.1583, 25.1585,

25.1701, 25.1703, 25.1705, 25.1707, 25.1709, 25.1711, 25.1713, 25.1715, 25.1717, 25.1719,

25.1719, 25.1721, 25.1729.

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## Every issue (1)

- December 4, 2025: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ef/55/ef5500625557a555151b780106fa1f62b661090b3d97add5ab70a912021ab714)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.