# STC ST12082WI

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Duncan Aviation Inc., United States
- Description: Upgrade of AirCell High Speed Internet System to Gogo Business Aviation C1 System
- Applied: May 12, 2025
- Status date: July 31, 2025
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS T00012WI](https://openairdocs.org/tcds/T00012WI)
- Certificate PDF: https://openairdocs.org/files/sha256/19/f5/19f5c3f6fd3fb1c2ff4c1bc512b37e7a6f2b43cc6ef470c0fa1deb783443ce53
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164659839120251210152528.0001
- DRS record last changed: December 19, 2025
- Page: https://openairdocs.org/stc/ST12082WI

## ADs that name it (0)

None.

## Approved models (1)

- Textron Aviation Inc. 680 ([TCDS T00012WI](https://openairdocs.org/tcds/T00012WI))

## 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:

ST12082WI Duncan Aviation, Inc.

3701 Aviation Road Lincoln, NE 68524 Part 25* Federal Aviation Regulations (* see Page 3) T00012WI Textron Aviation Inc.

680 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).

05/12/2025 07/31/2025 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-026951, Rev. A, dated July 30, 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:

ST12082WI 07/31/2025 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number ST12082WI 07/31/2025 Description of Type Design Change (continued from Page 1):

(2) Duncan Aviation, Inc. Airplane Flight Manual Supplement Doc. No. CERTDOC-026712, Rev. A, dated July 30, 2025, or later FAA approved revisions to (1) or (2).

Limitations and Conditions (continued from Page 1):

This type design change has a prerequisite installation of Duncan Aviation STC ST01608WI-D.

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 T00012WI, Revision 17, for the 680 aircraft, and Duncan Aviation STC ST01608WI-D.

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) [Amdt. 25-112], Material Strength Properties and Material Design Values

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

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

## Every issue (1)

- July 31, 2025: Issued, Current. [certificate](https://openairdocs.org/files/sha256/19/f5/19f5c3f6fd3fb1c2ff4c1bc512b37e7a6f2b43cc6ef470c0fa1deb783443ce53)

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