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Engine and powerplant

STC ST04417AT

FAA DRS lists ST04417AT as Current · Issued, held by Quiet Technology Aerospace, for Bombardier BD-100-1A10 (Challenger 300). Recorded change: Replacement of the inner aluminum barrel of the engine inlet cowl with a Quiet Technology Aerospace inlet barrel of carbon graphite sandwich construction. Snapshot dated June 30, 2026.

Aircraft configurations
1
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Replacement of the inner aluminum barrel of the engine inlet cowl with a Quiet Technology Aerospace inlet barrel of carbon graphite sandwich construction.

ST04417AT 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: Bombardier BD-100-1A10 (Challenger 300). Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Bombardier BD-100-1A10 (Challenger 300) 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?