# STC ST11983SE - Type: Supplemental type certificate - Status: Current, Issued - Holder: AeroMech Incorporated, United States - Description: Installation of Starlink Aviation System - Applied: February 18, 2025 - Status date: September 16, 2025 - Product: Aircraft, Large Airplane - Certification basis: Part 25 - Data sheets: [TCDS T00012WI](https://openairdocs.org/tcds/T00012WI) - Certificate PDF: https://openairdocs.org/files/sha256/57/4e/574e7f6361fd29f829bd80342228d441d89dd10bd2cb67a80acad35a93d1a5c7 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID192488169220251114161914.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/ST11983SE ## ADs that name it (0) None. ## Approved models (1) - Textron Aviation Inc. 680A ([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. ST11983SE AeroMech Incorporated 3977 Harbour Pointe Blvd SW Mukilteo, WA 98275 Part 25 Title 14, Code of Federal Regulations T00012WI Textron Aviation Inc. 680A 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, the holder shall give the other person written evidence of that permission. See continuation sheet 3 February 18, 2025 September 16, 2025 ODA Administrator 4 Installation of Starlink Aviation System in accordance with the Required Data: 1. Master Drawing List (MDL) AM0403-DL01-00, Revision A, dated 09 September 2025 or later FAA approved revision. 2. Instructions for Continued Airworthiness AM0403-IC01-00, Revision - , dated 16 September 2025 or later FAA accepted revision. ST11983SE September 16, 2025 4 ST11983SE September 16, 2025 Description of Type Design Change (Continued): 3. Airplane Flight Manual Supplement (AFMS) AM0403-FM01-00, Revision -, dated 09 September 2025, or later FAA approved revision. Limitation and Conditions (Continued): 3. A copy of this certificate must be maintained as part of the permanent records of the modified aircraft. 4. The system installed by this STC is intended to provide a non-essential, non-required internet connection to portable electronic devices (PED). Use of this system for any other purpose or connection of this system to other onboard equipment may require additional regulatory approval. 5. Operational approval to permit use of Portable Electronic Devices (PED) is not part of this STC. Further approvals may be required to allow the operation of PED. 6. This STC is applicable to all serial numbers of Textron Aviation Inc Model 680A Series Aircraft. 7. Equivalent Level of Safety Findings have been made for the following regulation(s): 14 CFR 25.251(b) Vibration and buffeting. Documented in ELOS Memorandum AMI-PRG-0403-01-T-25.251. 8. The SwiftBroadband System must be deactivate prior to installation and activation of the Starlink Aviation System. (Continuation Sheet) Number **FAA 8110-2 (** 10/24 ) Page ___ of ___ Certification Basis: Based on 14 CFR ยง21.101 and 21.115, and the FAA policy for changed aeronautical products in FAA Order 8110.48, the type certification basis for this modification is as follows: 1. For parts not changed or not affected by this modification see the original certification basis for the Textron Aviation Inc. 680A Series Aircraft, shown on TCDS T00012WI. 2. For parts changed or affected by this modification since the date of application, February 18 2025, the certification basis is as follows: 14 CFR Part 25 regulations at the amendment level in TCDS T00012WI: 14 CFR 25.119(a), 25.121, 25.123(b), 25.341(a), 25.571(a)(b)(e)(1), 25.629, 25.853(a), 25.869 (a)(4), 25.901(c), 25.1301, 25.1309(a)(b)(d)(g), 25.1583. 14 CFR Part 25 regulations at amendment level through 25-153: 14 CFR 25.1, 25.21, 25.23, 25.25, 25.31, 25.101, 25.115(b), 25.251(a)(b)(c)(d), 25.301(a)(b), 25.303, 25.305(a)(b)(f), 25.307(a), 25.321, 25.333(a), 25.335, 25.337(a)(b)(c), 25.351, 25.365 (a)(b)(d), 25.561(a)(b)(3)(c), 25.581, 25.601, 25.603(a)(b)(c), 25.605(a), 25.609(a)(b), 25.611 (a), 25.613(a)(b), 25.623, 25.625(a)(b)(c), 25.771(a), 25.777(a), 25.789(a), 25.899, 25.903(c), 25.1302(a)(b), 25.1307(c), 25.1351(a), 25.1353(a)(c), 25.1357(a)(c), 25.1419(a), 25.1431(a)(c) (d), 25.1501, 25.1529, 25.1541(a)(1)(b), 25.1555(a), 25.1581, 25.1585(a)(1)(2), 25.1587. END ST11983SE September 16, 2025 4 4 Add Page ## Every issue (1) - September 16, 2025: Issued, Current. [certificate](https://openairdocs.org/files/sha256/57/4e/574e7f6361fd29f829bd80342228d441d89dd10bd2cb67a80acad35a93d1a5c7) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.