STC ST11289DS

ST11289DS Dassault Falcon Jet Corp.

191 North Dupont Highway New Castle, DE 19720 Part 25 Code of Federal Regulations A46EU Dassault Aviation Mystere- Falcon 50 An update to the Communication Management Unit (CMU) to add or update the 3rd VHF Datalink to support Controller Pilot Data Link Communication (CPDLC) on Dassault Aviation Mystere-Falcon 50 series aircraft in accordance with Master Data List, document number 685-00-0001, revision A, dated 10/30/2023 or later FAA approved revision; FAA Approved Airplane Flight Manual Supplement, document number 685-00-0028, revision A, dated 10/03/2023 or later FAA approved revision; Instructions for (See continuation on sheet 3 of 4)

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

(See continuation on sheet 3 of 4) June 30, 2023 October 30, 2023 VT DRB Aviation Lead ODA Administrator ODA-831473-SW 4

ST11289DS 4

ST11289DS Description of Type Design Change: (continuation sheet 1 of 4) Continued Airworthiness, document number 685-00-0029, revision A, dated 08/31/2023 or later FAA accepted revision.

Limitations and Conditions: (continuation sheet 1 of 4)

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 the permission.

3. Must have Collins Pro Line 4 to Pro Line 21, STC ST11041SC, MDL Revision AF and later, FANS STC ST04044CH and Level D SATCOM previously or concurrently installed.

Certification Basis:

Based on 14 CFR §§21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for the Dassault Aviation Mystere-Falcon 50 series aircraft modified by updating the Communication Management Unit (CMU) and adding or updating the 3rd VHF Datalink to support Controller Pilot Data Link Communication (CPDLC) is as follows:

a. The type certification basis for Dassault Aviation Mystere-Falcon 50 series airplanes 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 June 30, 2023, include:

Regulations at the latest amendment 25-0 through 25-145 14 CFR §25.305(a)(b), 25.561(a)(b)(c)(d), 25.1351(a)(d), 25.1431(a)(b)(c)(d), 25.1457

(a)(6) and 25.1585(a).

Regulations at an intermediate amendment:

14 CFR §25.307(a) amendment 25-72, 25.853(a) amendment 25-83, 25.1353(a)(b)(c) amendment 25-113, and 25.1583(h) amendment 25-105.

ST11289DS

Date of Issuance: October 30, 2023

Exemptions from 14 CFR part 25:

None

Equivalent safety findings exist with respect to the following regulations:

None

Special Conditions:

None

Special Federal Aviation Regulations:

None

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