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Avionics

STC SH3678SW

FAA DRS lists SH3678SW as Current · Reissued, held by RSG Products, for Bell Helicopter Textron 412. Recorded change: Installation of provisions for installation of Teledyne Avionics Engine Monitor System. Snapshot dated June 30, 2026.

FAA-listed holder
RSG Products
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of provisions for installation of Teledyne Avionics Engine Monitor System.

SH3678SW 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: Bell Helicopter Textron 412. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Bell Helicopter Textron 412H4SW

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Bell Helicopter Textron 412 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?

Related avionics STCs

ST01280WI-DAvionics

Modification of a Collins GNLS-910 GPS Flight Management System Installation with BVR Aero Precision Data Concentrator Unit(s), BVR type/part number 280650 (Collins, 270-2578-060) to a Collins GNLS-910 GPS Flight Management System Installation with Collins DCU-2000 Data Concentrator Unit(s), Collins part number 822-1517-003 (BVR type/part number 280650) in accordance with Collins Drawing Index RCA-0082-001, Revision -, dated October 26, 2004, or later FAA approved revision.

FAA holder: Rockwell Collins Inc

View record