# STC ST04591CH - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Apcela IFC JV, LLC dba Apcela ATG - Description: Installation of SmartSky System - Status date: November 5, 2025 - Data sheets: A46EU - Certificate PDF: https://openairdocs.org/files/sha256/f0/a9/f0a950498fb147c752bd1940172c8376df23e1f7a39509ede9aa7bef93e19bc4 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119588162520260123164222.0001 - Page: https://openairdocs.org/stc/ST04591CH ## ADs that name it None. ## Approved models (1) - Dassault Aviation Mystere-Falcon 900 (TCDS A46EU) ## 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. ST04591CH 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 A46EU Dassault Aviation Mystere-Falcon 900 1. The installer must determine whether this design change is compatible with previously approved modifications. (See Continuation Sheet 3 of 4) 08/23/2022 11/05/2025 01/13/2023 for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 4 Installation of a SmartSky System on a Dassault Aviation Mystere-Falcon 900 aircraft in accordance with FAA approved Master Data List LP5709-1002 Revision (C), dated January 11, 2023, or later FAA Approved Revision. FAA 8110-2 ( 10/24) Page 2 of __ ST04591CH 11/05/2025 4 ST04591CH 11/05/2025 Description of Type Design Change (Continued): FAA Approved Airplane Flight Manual Supplement document number LP5709-2007, Revision (IR), dated September 15, 2022, or later FAA 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. LP5709-2006, Revision (C), dated December 19, 2022, or later FAA 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 Dassault Aviation Mystere-Falcon 900 aircraft installation of a SmartSky System is as follows: a. The type certification basis for Dassault Aviation Mystere-Falcon 900 is shown on TCDS A46EU 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, August 23, 2022, is based upon TCDS A46EU. 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: ST04591CH 11/05/2025 Certification Basis (Continued): Regulations at the amendment level in TCDS A46EU: 25.1(a,b)[Original], 25.301(a,b)[25-23], 25.303(-)[25-23], 25.305(a,b)[25-54], 25.307(a)[25-54], 25.365(a,b,d)[25-54], 25.561(a-c)[25-23], 25.571(a,b)[25-54], 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)[25-46], 25.619(a-c)[25-23], 25.625(a-c)[25-23], 25.789(a)[25-46], 25.853(a)[25-51], 25.869(a(4))[25-72], 25.1301(a-d)[Original], 25.1307(c)[25-54], 25.1309(a,b,d,g)[25-41], 25.1322(c,d)[25-38], 25.1351(a)[25-41], 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], 25.1581(a(2),d) [25-42], 25.1585(a,b)[25-46], Special Condition 25-ANM-8. Regulations at later amendment level: None -END- 4 4 ## Every issue (2) - November 5, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f0/a9/f0a950498fb147c752bd1940172c8376df23e1f7a39509ede9aa7bef93e19bc4) - January 13, 2023: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/61/c2/61c23e3ae4f2312e3117dc3cd68f727ec51d8fc6aac0731984f70509664b273e) --- 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.