STC ST09850DS

Supplemental type certificate · United Airlines

Holder
United Airlines · United States
Status
Current · Issued
Status date
June 12, 2026
Applied
January 15, 2026
Product
Aircraft · Large Airplane
Certification basis
Part 25
Data sheet
TCDSA28NM

From FAA DRS, with our copy of the certificate PDF. DRS record last changed June 23, 2026.

What it approves

Series Starlink to IFE & AID Interface Installation

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.

ST09850DS United Airlines 4933 Wright Road Houston, TX 77032 Part 25 & 26 the Title 14, Code of Federal Regulations A28NM Airbus A321-271NX/-271NY/-252NX

(1) The installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this installation and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the aircraft.

(continued on page 3) 01/15/2026 03/25/2026 06/12/2026 Raju Tumarada, ODA Administrator 3 ER4420R01908 Rev B, June 8, 2026. ODA project number: 98501. (1) Airbus A321 Series Starlink to IFE & AID Interface Installation in accordance with United Airlines Master Drawing List 4420DA16763 Rev A, dated March 17, 2026, or later FAA approved revision.

(continued on page 3)

ST09850DS 3

ST09850DS

(2) Supplemental Instructions for Continued Airworthiness, Document Number 4420R01909C Rev A, dated June 10, 2026 or later approved FAA revision. (3) No EWIS ICA is required for this modification.

(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) Concurrent installation of FAA STC ST12325SE and ST12326SE is required for all aircraft modified by this STC.

Certification Basis:

Based on 14 CFR § 21.115 and § 21.101, and the FAA policy for design changes that are not significant in FAA Order 8110.48, the certification basis for this modification is as follows:

a. The type certification basis for parts not changed or not affected by the change is shown in TCDS A28NM.

b. The certification basis for parts changed or affected by this modification since the reference application date January 15, 2026 is based upon the type certification basis shown in TCDS A28NM with the following exceptions.

14 CFR Part Amdt 14 CFR Part Amdt

25.869 113 25.981 125

25.899 123 25.1423 115

ST09850DS issued March 25, 2026 ST09850DS amended June 12, 2026 --END-- 3 3 Add Page

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 3

MakeModelData sheet
Airbus SASA321-252NXA28NM
Airbus SASA321-271NXA28NM
Airbus SASA321-271NYA28NM

Every issue · 2

DRS keeps each issue of an STC as its own record, with its own certificate and attachments.

DateStatusFiles
June 12, 2026Issued, currentCertificate
March 25, 2026Issued, earlier issueCertificate