# STC ST04604CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Apcela IFC JV, LLC dba Apcela ATG, United States
- Description: INSTALL SMARTSKY FLAGSHIP SYSTEM
- Applied: October 13, 2022
- Status date: November 5, 2025
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A22CE](https://openairdocs.org/tcds/A22CE)
- Certificate PDF: https://openairdocs.org/files/sha256/2e/4c/2e4cbcce441c62252a153c530ae01b7805d024593367e603a797431eb92957aa
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID106727346320260123164815.0001
- DRS record last changed: January 23, 2026
- Page: https://openairdocs.org/stc/ST04604CH

## ADs that name it (0)

None.

## Approved models (1)

- Textron Aviation Inc. 560XL ([TCDS A22CE](https://openairdocs.org/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.

ST04604CH Apcela IFC JV, LLC dba Apcela ATG 1900 Reston Metro Plaza, Suite 615 Reston, VA 20190 Part 25 the Title 14, Code of Federal Regulations A22CE Textron Aviation Inc.

560XL

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

(See Continuation Sheet 3 of 4) 10/13/2022 11/05/2025 06/08/2023 for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 4 Installation of a SmartSky Flagship System on a Textron Aviation Inc. 560XL aircraft in accordance with FAA approved Master Data List LP5830-1002 Revision (D), dated June 07, 2023, or later FAA or ODA Approved Revision.

FAA 8110-2 ( 10/24) Page 2 of __

ST04604CH 11/05/2025 4

ST04604CH 11/05/2025 Description of Type Design Change (Continued):

FAA Approved Airplane Flight Manual Supplement document number LP5830-2007, Revision (A), dated May 22, 2023, or later FAA/ODA Approved Revision is a required part of this modification.

The aircraft must be maintained in accordance with FAA accepted Instructions for Continued Airworthiness, Report No. LP5830-2006, Revision (B), dated May 19, 2023, or later FAA/ODA accepted revision in addition to the basic airplane maintenance manuals.

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. This STC is applicable to all serial numbers for this Make-Model.

4. The installer must ensure TPED tolerance of aircraft. This may require prior or concurrent embodiment of a TPED STC or Service Bulletin.

Certification Basis:

Based on 14 CFR §§21.101, 21.115 and the FAA policy for significant changes in FAA Order 8110.48A, the certification basis for the Textron Aviation Inc. 560XL Installation of a SmartSky Flagship System is as follows:

a. The type certification basis for Textron Aviation Inc. 560XL is shown on TCDS A22CE 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 date of application, October 13, 2022, is based upon the TCDS A22CE. Based on 14 CFR §21.101,

21.115 and the FAA policy for significant changes in FAA Order 8110.48A, the certification basis for this modification was determined to be:

ST04604CH 11/05/2025 Certification Basis (Continued):

Regulations at the amendment level in TCDS A22CE

25.1(a,b)[Original], 25.301(a,b)[25-23], 25.303(-)[25-23], 25.305(a,b)[25-77], 25.307(a)[25-72],

25.365(a,b,d)[25-72], 25.561(a-c)[25-64], 25.601(-)[Original], 25.603(a-c)[25-46], 25.605(a) [25-46], 25.607(a-c)[25-23], 25.609(a,b)[Original], 25-611(-)[25-23], 25.613(a,b,d)[25-72],

25.619(a-c)[25-23], 25.625(a-c)[25-72], 25.853(a)[25-72], 25.869(a(4))[25-72], 25.1301(a-d) [Original], 25.1307(c)[25-72], 25.1309(a,b,d,g)[25-41], 25.1322(c,d)[25-38], 25.1351(a)[25-72],

25.1353(a,b)[25-42], 25.1357(a,c)[Original], 25.1431(a,c)[Original], 25.1501(a,b)[25-42],

25.1519(-)[Original], 25.1529(-)[25-54], 25.1555(a)[Original], 25.1581(a(2),d)[25-72], 25.1585

(a)[25-46], Special Condition 25-ANM-21.

Regulations at later amendment level:

None.

-END- 4 4

## Every issue (2)

- November 5, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/2e/4c/2e4cbcce441c62252a153c530ae01b7805d024593367e603a797431eb92957aa)
- June 8, 2023: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/40/fe/40fe4f891fa687ae7d38fabe5153b52f334cb588a645bb51b438b708b8f8baad)

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