# STC ST04645NY

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: APTOZ EHF., Iceland
- Description: Installation of Navigation - Independent Position Determining
- Applied: March 31, 2021
- Status date: May 27, 2025
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Foreign approvals: EASA 10049475 R1
- Data sheets: [TCDS A2NM](https://openairdocs.org/tcds/A2NM)
- Certificate PDF: https://openairdocs.org/files/sha256/9a/21/9a213be4206fbd716dcc6b429ce47e56c3e47b5e341907e8a33037380d2cbae4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157494133220260220193140.0001
- DRS record last changed: February 20, 2026
- Page: https://openairdocs.org/stc/ST04645NY

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 757-200 Series ([TCDS A2NM](https://openairdocs.org/tcds/A2NM))

## 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 ST04645NY APTOZ EHF.**

**AKURGERDI 41 108 REYKJAVIK**

ICELAND Part 25 Title 14 Code of Federal Regulations A2NM The Boeing Company 757-200 Series

1. Installation of Navigation - Independent Position Determining - Software Update or Replacement of the ACSS TCAS 2000 Computer to Comply with the TCAS Change 7.1 Requirements must be in accordance with Icelandair Change/Repair Approval Document No. CRA-757-3440-59, Revision H, dated June 8, 2021, or later EASA approved revisions.

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

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

(See Limitations and Conditions Continued on Page 3 of 3) March 31, 2021 June 22, 2021 John Yoo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 3 May 27, 2025 for:

**IMPORT ST04645NY ST04645NY 3**

IMPORT ST04645NY Date Reissued: May 27, 2025 Description of Type Design Change (continued):

2. Aircraft is to be maintained in accordance with Icelandair Continued for Airworthiness Instructions Document No. CAI-757-3440-59, Revision F, dated May 25, 2021, or later EASA accepted revisions.

3. Aircraft is to be operated in accordance with Icelandair Aircraft Flight Manual Supplement Document No. AFM-757-3440-59, Revision C, dated June 8, 2021, or later EASA approved revisions.

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.

part of the permanent records for the modified aircraft.

3. Aircraft is to be operated in accordance with Icelandair "Certificate Limitations" section of Icelandair Aircraft Flight Manual Supplement Document No.

AFM-757-3440-59, Revision C, dated June 8, 2021, or later EASA approved revisions.

4. This STC is applicable to serial numbers listed on Icelandair Change/Repair Approval Document No. CRA-757-3440-59, Revision H, dated June 8, 2021, or later EASA approved revisions.

----------END---------- 3 3

## Every issue (2)

- May 27, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/9a/21/9a213be4206fbd716dcc6b429ce47e56c3e47b5e341907e8a33037380d2cbae4)
- June 22, 2021: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/ce/2a/ce2aead116d4d83f43bcd0763b685b3d458dd59be536272a0646892e33e21d63)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.