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Rotorcraft modifications

STC SR09373RC-D

FAA DRS lists SR09373RC-D as Current · Reissued, held by Bell Helicopter Textron Inc., for Bell Helicopter Textron 412 and Bell Helicopter Textron 412EP. Recorded change: Bell Helicopter Vibration Monitor (BHVM) System. Snapshot dated June 30, 2026.

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FAA-listed holder
Bell Helicopter Textron Inc.
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SR09373RC-D 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 and Bell Helicopter Textron 412EP. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Bell Helicopter Textron 412H4SWBell Helicopter Textron 412EPH4SW

Related rotorcraft modifications STCs

SR01343LARotorcraft modifications

Installation of MASS Systems fire extinguisher cartridges as replacements for W. Kidde Aerospace/L Hotellier/Dexaero fire extinguisher cartridges in fire extinguisher bottles installed in the rotorcraft models noted on the FAA Approved Model List SR01343LA dated June 28, 2002, or later FAA approved revisions. This cartridge is in accordance with MASS Systems Master Drawing List MDL-861345, Revision N/C, dated May 31, 2002, or later FAA approved revisions.

FAA holder: AMETEK AMERON LLC d/b/a MASS Systems

View record

FAA record reference

STC number
SR09373RC-D
Product
Aircraft · Rotorcraft
Country
United States
Application date
February 16, 2004
Revision date
February 1, 2011
CFR references
Part 21, Part 29