STC ST04412AT

Supplemental type certificate · Avionics Support Group Inc.

Holder
Avionics Support Group Inc. · United States
Status
Current · Issued
Status date
November 7, 2017
Applied
August 9, 2016
Product
Aircraft · Large Airplane
Certification basis
Part 1, Part 21, Part 25, Part 26
Data sheet
TCDSA2NM

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of a cfMount (TM) and Cradle

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.

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

Number: ST04412AT This certificate issued to: Avionics Support Group, Inc.

13155 SW 132 Avenue Miami, FL 33186 Part 25 of the Federal Aviation Regulations.

Original Product – Type Certificate Number: A2NM Make: Boeing Model: 757-200/-300 series Description of Type Design Change:

Installation of a cfMount™ and Cradle in accordance with Master Data List (MDL) 216177-MDL, Rev. B, dated October 9, 2017, or later FAA approved revision.

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

2. 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.

3. Instructions for Continued Airworthiness (ICA) document 216177-ICA, Rev. A, dated July 21, 2017 or later FAA accepted revision must be made available to the operator at the time of installation.

Date of Application: August 9, 2016 Date Reissued:

Date of Issuance: November 07, 2017 Date Amended:

Signature

Title: (For) Christina M. Underwood, AIR-7A0 Manager, Atlanta ACO Branch

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

Transfer the ownership of Supplemental Type Certificate Number: ST04412AT

To (Name and address of transferee)

From (Name and address of grantor)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: ST04412AT Data of Issuance

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

Certification Basis:

Based on 14 CFR 21.115 and 21.101, and the FAA policy for significant changes in FAA O rder 8110.48, the certification basis for the Boeing 757-200/-300 series aircrafts is as follows:

a. The type certification basis for the Boeing 757-200/-300 series aircrafts are shown on TCDS A2NM 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 dat e of application, August 9, 2016, is based upon part 25 as amended by Amendment 25 -142. 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 this modification was determined to be:

Regulations at the latest amendment 25-0 through 25-142 § 25.29 § 25.301 § 25.303 § 25.305(a)(b)(1) § 25.307(a) § 25.561 § 25.571(a)(b)(c) § 25.601 § 25.603 § 25.605 § 25.609 § 25.611 § 25.613 § 25.625 § 25.773(a) § 25.789(a) § 25.1529 § 25.1541 Regulations at an intermediate amendment § 25.307(a) Regulations at the amendment level in TCDS A2NM None 14 CFR Part 26 Regulations Based on 14 CFR 21.101(g), applicable provision 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 date of this STC, compliance has been found for the following regulation s:

14 CFR 26.11 and 14 CFR 26.47.

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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 · 2

MakeModelData sheet
The Boeing Company757-200 SeriesA2NM
The Boeing Company757-300 SeriesA2NM