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Rotorcraft modifications

STC SR02761LA

FAA DRS lists SR02761LA as Current · Issued, held by Northern X-Treme Helicopters, for International Helicopters UH-1B, Overseas Aircraft Support UH-1B, and Richards Heavylift Helo UH-1B, and 2 more aircraft configurations. Recorded change: Installation of UH-1H composite main rotor blades on the UH-1B helicopters. Snapshot dated June 30, 2026.

FAA-listed holder
Northern X-Treme Helicopters
Aircraft configurations
5
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of UH-1H composite main rotor blades on the UH-1B helicopters.

SR02761LA 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: International Helicopters UH-1B, Overseas Aircraft Support UH-1B, and Richards Heavylift Helo UH-1B, and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

International Helicopters UH-1BH5SOOverseas Aircraft Support UH-1BH7SORichards Heavylift Helo UH-1BH3SORotorcraft Development UH-1BH13WESan Joaquin Helicopters UH-1BH1RM

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact International Helicopters UH-1B and Overseas Aircraft Support UH-1B, and 3 more aircraft configurations model, serial range, and configuration?
  2. 02Which configuration, limitations, installation data, and ICAs 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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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 SR01344LA dated June 28, 2002, or later FAA approved revisions. This cartridge is in accordance with MASS Systems Master Drawing List MDL-861355, Revision N/C, dated May 31, 2002, or later FAA approved revisions.

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

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SR09335RCRotorcraft modifications

Installation of Night Vision Imaging System (NVIS) / Night Vision Goggles (NVG) Cockpit Lighting in accordance with Aero Dynamix, Inc., Master Drawing List MDL 2414-01, Revision C, dated August 20, 2003, or later Federal Aviation Administration (FAA) approved revision(s). Rotorcraft Flight Manual Supplements, RFMS, AS350-01, Revision IR, dated August 27, 2003, RFMS AS350-02, Revision IR, dated May 29, 2007, RFMS AS350-03, Revision --, dated June 24, 2011 or later FAA approved revisions are required.

FAA holder: Aero Dynamix Inc.

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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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