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Avionics

STC ST02609LA

FAA DRS lists ST02609LA as Current · Amended, held by Aviation Communication and Surveillance Systems (ACSS) LLC, for Beechcraft BAe.125 Series 800A (C-29A), Beechcraft BAe.125 Series 800A (U-125), and Beechcraft BAe.125 Series 800B, and 37 more aircraft configurations. Recorded change: Modification to replace the existing Mode S Transponder system with ACSS NXT-700 Mode S Transponder with ADS-B Out. Snapshot dated June 30, 2026.

FAA-listed holder
Aviation Communication and Surveillance Systems (ACSS) LLC
Aircraft configurations
40
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Modification to replace the existing Mode S Transponder system with ACSS NXT-700 Mode S Transponder with ADS-B Out.

ST02609LA identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Beechcraft BAe.125 Series 800A (C-29A), Beechcraft BAe.125 Series 800A (U-125), and Beechcraft BAe.125 Series 800B, and 37 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Beechcraft BAe.125 Series 800A (C-29A)A3EUBeechcraft BAe.125 Series 800A (U-125)A3EUBeechcraft BAe.125 Series 800BA3EUBeechcraft BH.125 Series 400AA3EUBeechcraft DH.125 Series 400AA3EUBeechcraft Hawker 800 (U-125A)A3EUBeechcraft Hawker 800A3EUBeechcraft Hawker 800XPA3EUBeechcraft HS.125 Series 700AA3EUBoeing DC-9-15A6WEBombardier CL-600-1A11 (CL-600)A21EABombardier CL-600-2A12 (CL-601)A21EABombardier CL-600-2B16 (CL-604)A21EABombardier DHC-8-101A13NMBombardier DHC-8-102A13NMBombardier DHC-8-103A13NMBombardier DHC-8-106A13NMBombardier DHC-8-201A13NMBombardier DHC-8-202A13NMBombardier DHC-8-301A13NMBombardier DHC-8-311A13NMBombardier DHC-8-315A13NMDassault Aviation Falcon 10A33EUDassault Aviation Falcon 900EXA46EUDassault Aviation Fan Jet Falcon Series CA7EUDassault Aviation Fan Jet Falcon Series EA7EUDassault Aviation Mystere-Falcon 20 - C5A7EUDassault Aviation Mystere-Falcon 20 - D5A7EUDassault Aviation Mystere-Falcon 20 - E5A7EUDassault Aviation Mystere-Falcon 20 - F5A7EUDassault Aviation Mystere-Falcon 200A7EUDassault Aviation Mystere-Falcon 50A46EUDassault Aviation Mystere-Falcon 900A46EUFokker Services BV F.28 Mark 1000A20EUGulfstream Aerospace G-1159A12EAGulfstream Aerospace G-1159AA12EAGulfstream Aerospace G-1159BA12EAGulfstream Aerospace G-IVA12EAGulfstream Aerospace LP 1125 Westwind AstraA16NMIsrael Aircraft Industries 1124A2SW

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Beechcraft BAe.125 Series 800A (C-29A) and Beechcraft BAe.125 Series 800A (U-125), and 38 more aircraft configurations model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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