# STC ST11213DS

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Pratt & Whitney, United States
- Description: Installation of a Pratt & Whitney enhanced Flight Data Acquisition Storage and Transmission (eFAST) system
- Applied: May 30, 2017
- Status date: January 12, 2018
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A28NM](https://openairdocs.org/tcds/A28NM)
- Certificate PDF: https://openairdocs.org/files/sha256/2e/aa/2eaa4751e7628056588a92db3fe07a4a833583fa9af73c5b5fc1fd1fb2e55625
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/07E6530A62CDFE29862585EC004FA6B0.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST11213DS

## ADs that name it (0)

None.

## Approved models (18)

- Airbus SAS A321-111 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))
- Airbus SAS A321-112 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))
- Airbus SAS A321-131 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))
- Airbus SAS A321-211 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))
- Airbus SAS A321-212 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))
- Airbus SAS A321-213 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))
- Airbus SAS A321-231 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))
- Airbus SAS A321-232 ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))
- Airbus SAS A321-251N ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))
- Airbus SAS A321-251NX ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))
- Airbus SAS A321-252N ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))
- Airbus SAS A321-252NX ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))
- Airbus SAS A321-253N ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))
- Airbus SAS A321-253NX ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))
- Airbus SAS A321-271N ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))
- Airbus SAS A321-271NX ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))
- Airbus SAS A321-272N ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))
- Airbus SAS A321-272NX ([TCDS A28NM](https://openairdocs.org/tcds/A28NM))

## 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.

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

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: ST11213DS This certificate issued to: Pratt & Whitney 400 Main Street East Hartford, CT 06118 Part 25 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: Make: Airbus SAS Model:

A321 Series A28NM

Installation of a Pratt & Whitney enhanced Flight Data Acquisition Storage and Transmission (eFAST) system in accordance with “Data List, Compliance Data, Pratt & Whitney eFASTtm, A321, ODA STC,” document DL2009M00, revision E, dated 1/8/18, or later FAA approved revision, and “Instructions for Continued Airworthiness for eFAST Health Management Computer,” document PWA-11557, revision C, dated 11/3/2017 or later FAA accepted revision.

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.

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.

Date of Application: May 30, 2017 Date Reissued:

Date of Issuance: January 12, 2018 Date Amended:

Signature

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

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

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: ST11213DS

To (Name and address of transferee)

From (Name and address of grantor)

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: ST11213DS

Date of Issuance: January 12, 2108

1. Certification Basis

The certification basis for each model qualified for this modification is detailed below.

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 the Airbus SAS A321 series aircraft modified by installing a Pratt & Whitney enhanced Flight Data Acquisition Storage and Transmission (eFAST) system is as follows:

a. The type certification basis for Airbus SAS A321 series 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, May 30, 2017, include:

Regulations at an intermediate amendment:

14 CFR § 25.869(a)(4) amd 25-113, and 25.981(a)(3)(b) amd 25-102 Regulations at the latest amendment:

14 CFR §25.853(a) amd 25-116

- END -

## Every issue (1)

- January 12, 2018: Issued, Current. [certificate](https://openairdocs.org/files/sha256/2e/aa/2eaa4751e7628056588a92db3fe07a4a833583fa9af73c5b5fc1fd1fb2e55625)

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