STC ST04534CH

ST04534CH Avmats Jet Support 750 N Beechcraft Ave.

Chesterfield MO 63005 Part 25 Federal Aviation Regulations A7EU Dassault Aviation Mystere-Falcon 20 - C5, Mystere-Falcon 20 - D5, Mystere-Falcon 20 - E5, Mystere-Falcon 20 - F5 Installation of Falcon 20 Cockpit Enhancements which include options for installation of three Universal Avionics Insight LCD Flight Displays (Pilot PFD/MFD and Copilot PFD) with associated controls, UNS-1FW Flight Management Systems, Electronic Control Display Units (ECDU), UniLink UL-801 CMU, DL150 Iridium Datalink and Iridium antenna, GH-3900 Standby Attitude Indicator, dual Laser Ref IV IRS with optional Collins AHS-3000A in accordance with Dan Buzz & Associates LLC, Master Data List Document No. DB2009001 Revision F, dated March 14, 2023, or later FAA approved revision.

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

(Continued on page 3) October 6, 2020 December 14, 2023 April 4, 2023 Paul (Vu) Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 4 FOR

ST04534CH 4

ST04534CH Date of Issuance: April 4, 2023 Date Reissued: December 14, 2023

2) If the holder agrees to permit another person to use this certificate to alter the product, the holder must give the other person written evidence of that permission.

3) FAA Approved Airplane Flight Manual Supplement DB2009005 Revision IR approved March 29, 2023, for InSight™ Display System, UNS-1Fw SBAS FMS, Future Air Navigation System (FANS) Features with UniLink® UL-801 Communications Management Unit, and optional Cockpit Voice Recorder for Datalink Recording, or later FAA approved revision is required on board the modified aircraft.

4) FAA Approved Airplane Flight Manual Supplement DB2009014 Revision IR approved March 29, 2023, for L3 Harris GH-3900.2 Electronic Standby Instrument System, or later FAA approved revision is required on board the modified aircraft.

5) FAA Approved Airplane Flight Manual Supplement DB2009018 Revision IR approved March 29, 2023, for Dual Honeywell Laseref IV Inertial Reference System (IRS) With Optional #3 Collins AHS-3000A Attitude Heading Reference System (AHRS), or later FAA approved revision is required on board the modified aircraft.

ST04534CH Date of Issuance: April 4, 2023 Date Reissued: December 14, 2023

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 20 aircraft is as follows:

a. The type certification basis for the Dassault Aviation Mystere-Falcon 20 aircraft is shown on TCDS A7EU for parts not changed or not affected by this change.

b. The certification basis for the parts changed or affected by this change since the reference date of application, October 6, 2020, is based on TCDS A7EU and §§ 14 CFR Part 25.

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 baseline modification was determined to be TCDS A7EU and the following:

14 CFR Part 25 Regulations at the amendment level:

14 CFR §§ 25.301 [25-23], 25.303[25-23], 25.305(a) [25-23], 25.307(a)(b) [25-23],

25.365(a)(b)(g) [25-54], 25.561(a)(c) [25-23], 25.571(a)(b) [25-23], 25.601 [25-00],

25.603 [25-00], 25.605(a) [25-00], 25.609(a) [25-00], 25.611 [25-23], 25.613(a)(b)(d) [25-00], 25.625(a) [25-23], 25.771(a) [25-00], 27.773(a)(2) [25-00], 25.777(a)(b)(c) [25-00], 25.789(a) [25-32)(d) [25-23], 25.1301 [25-00, 25.1303(a)(b) [25-38],25.1307(c) [25-23], 25.1309(a-d,g)[25-23], 25.1316 [25-134], 25.1317(a) [25-122], 25.1321(a)(b)

(e) [25-23], 25.1322 [25-38], 25.1323(a) [25-00], 25.1325(d) [25-00], 25.1331(a)(2) [25-41], 25.1335 [25-41], 25.1351 (a)(1) [25-00], 25.1353(a)(b) 25-23], 25.1357(a)(c) [25-00], 25.1381(a)(1)(b) [25-00], 25.1431 (a)(b)(c) [25-00] , 25.1457(a-c)(d)(3) [25-124], 25.1501 [25-00], 25.1523 [25-3], 25.1525 [25-00], 25.1529 [25-54], 25.1541 [25-00], 25.1555(a) [25-00], 25.1581 [25-00], 25.1583(e) [25-00], 25.1585(a) [25-23].

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