# STC ST12042WI

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Duncan Aviation Inc.
- Description: Upgrade of AirCell High Speed Internet System to Gogo Business Aviation C1 System
- Status date: June 18, 2025
- Data sheets: A22CE
- Certificate PDF: https://openairdocs.org/files/sha256/35/38/353899ed4dd4fdae2cacc45048512f02d20ee7d29e70e1d74f2928a4a32f85e8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID198339943120251210151516.0001
- Page: https://openairdocs.org/stc/ST12042WI

## ADs that name it

None.

## Approved models (1)

- Textron Aviation Inc. 560XL (TCDS A22CE)

## 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.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number This certificate issued to:

ST12042WI Duncan Aviation, Inc.

3701 Aviation Road Lincoln, NE 68524 Part 25* Federal Aviation Regulations(* see Page 3) A22CE Textron Aviation Inc.

560XL The installer must determine whether this design change is compatible with previously approved modifications. 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.

(Limitations and Conditions continued on Page 3).

04/30/2025 06/18/2025 Dain J. Christensen ODA STC administrator, ODA-501013-CE 3 Upgrade of AirCell High Speed Internet System to Gogo Business Aviation C1 System in accordance with (1) Duncan Aviation, Inc. STC Master Document List, Doc. No.

CERTDOC-026957, Rev. A, dated June 18, 2025, (Description of Type Design Change continued on Page 3).

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number

Date o transfer:

ST12042WI 06/18/2025 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number ST12042WI 06/18/2025 Description of Type Design Change (continued from Page 1):

(2) Duncan Aviation, Inc. Airplane Flight Manual Supplement Doc. No. CERTDOC-026719, Rev. A, dated June 18, 2025, or later FAA approved revision to (1) or (2).

Limitations and Conditions (continued from Page 1):

This type design change has a prerequisite installation of Duncan Aviation STC ST01685WI, and is limited to Serial Numbers 560-5001 through 560-6000.

Certification Basis:

The certification basis for parts changed or affected by this design change is the 14 CFR Part 25 requirements as defined in TCDS A22CE, Revision 73, for the 560XL aircraft, and Duncan Aviation STC ST01685WI.

In addition, the applicant has voluntarily complied with the following 14 CFR Part 25 regulations, effective February 1, 1965, as amended by the amendments stated:

25.613(a)(b)(c)(f) [25-112], Material Strength Properties and Material Design Values

25.1585(a)(2) [25-105], Operating Procedures.

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## Every issue (1)

- June 18, 2025: Issued, Current. [certificate](https://openairdocs.org/files/sha256/35/38/353899ed4dd4fdae2cacc45048512f02d20ee7d29e70e1d74f2928a4a32f85e8)

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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.