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Aircraft structures

STC SH7521SW

FAA DRS lists SH7521SW as Current · Reissued, held by Bell Helicopter Textron Inc., for Bell Helicopter Textron Canada 206A and Bell Helicopter Textron Canada 206B. Recorded change: Installation of a logging/observation bubble window in the right side crew door. Snapshot dated June 30, 2026.

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

Recorded modification

What the FAA record covers

Installation of a logging/observation bubble window in the right side crew door.

SH7521SW 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 Canada 206A and Bell Helicopter Textron Canada 206B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Bell Helicopter Textron Canada 206AH2SWBell Helicopter Textron Canada 206BH2SW

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Bell Helicopter Textron Canada 206A and Bell Helicopter Textron Canada 206B model, serial range, and configuration?
  2. 02Which configuration, loads, materials, inspections, and damage limits 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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