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Rotorcraft modifications

STC SR12311LA

FAA DRS lists SR12311LA as Current · Issued, held by MD Helicopters, for MD Helicopters 369D. Recorded change: Installation of MD Helicopters (MDH), LLC, Super D20R kit in accordance with FAA approved MDH Master Data List. Snapshot dated June 30, 2026.

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FAA-listed holder
MD Helicopters
Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

SR12311LA 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: MD Helicopters 369D. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

MD Helicopters 369DH3WE

Related rotorcraft modifications STCs

SR09478RCRotorcraft modifications

Installation of Cockpit Infrared Filter System in accordance with Ahlers Aerospace Master Drawing List 407-01, (E99-80) Rev. D, dated May 11, 2007, or later FAA approved revision. Rotorcraft Flight Manual Supplement, RFMS, Cockpit Infrared Filter System For Bell Helicopter Model 407, Revision IR, dated May 11, 2007, or Rotorcraft Flight Manual Supplement, RFMS (E99-269), Cockpit Infrared Filter System For Bell Helicopter Model 407, Revision IR, dated June 08, 2011, or later FAA approved revision is required. Instructions for Continued Airworthiness Document Number E99-79, Revision B, or later revision is required for this installation.

FAA holder: Ahlers Aerospace Inc

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SR09587RCRotorcraft modifications

Installation of Optional Equipment in accordance with Metro Aviation, Inc., Master Drawing List MDL130M-OPT, Revision B, dated May 6, 2011, with Engineering Order 130M-OPT-EO-1 dated May 27, 2011, or later Federal Aviation Administration (FAA) approved revision. Rotorcraft Flight Manual Supplement, RFMS130M-OPT, Revision IR, dated June 3, 2011, or later FAA approved revision. Instructions for Continued Airworthiness, Metro Aviation, Inc., Document No. EMM130M-OPT, Revision IR, dated March 25, 2011, or later revision is required for this installation.

FAA holder: Metro Aviation Inc

View record

FAA record reference

STC number
SR12311LA
Product
Aircraft · Rotorcraft
Country
United States
Application date
August 1, 2025
Revision date
April 14, 2026
CFR references
Part 27