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Engine and powerplant

STC SR09421RC

FAA DRS lists SR09421RC as Current · Reissued, held by Donaldson Company Inc., for Bell Helicopter Textron Canada 206L-1, Bell Helicopter Textron Canada 206L-3, and Bell Helicopter Textron Canada 206L-4. Recorded change: Installation of Inlet Barrier Filter system. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Inlet Barrier Filter system.

SR09421RC 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 206L-1, Bell Helicopter Textron Canada 206L-3, and Bell Helicopter Textron Canada 206L-4. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Bell Helicopter Textron Canada 206L-1 and Bell Helicopter Textron Canada 206L-3, and 1 more aircraft configuration model, serial range, and configuration?
  2. 02Which powerplant configuration, limits, instruments, and maintenance data 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?