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Engine and powerplant

STC SR00311BO

FAA DRS lists SR00311BO as Current · Issued, held by Firefly Inc., for Robinson Helicopter R44 and Robinson Helicopter R44 II. Recorded change: Installation of Hydraulic Pack System including a hydraulic pump connected to the auxiliary pad of the onboard Lycoming engine in accordance with Firefly Inc. Master Document List, Document No. FFI-10000MDL, dated March 29, 2011, or later FAA-approved revision. Snapshot dated June 30, 2026.

FAA-listed holder
Firefly Inc.
Aircraft configurations
2
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of Hydraulic Pack System including a hydraulic pump connected to the auxiliary pad of the onboard Lycoming engine in accordance with Firefly Inc. Master Document List, Document No. FFI-10000MDL, dated March 29, 2011, or later FAA-approved revision.

SR00311BO 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: Robinson Helicopter R44 and Robinson Helicopter R44 II. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Robinson Helicopter R44H11NMRobinson Helicopter R44 IIH11NM

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Robinson Helicopter R44 and Robinson Helicopter R44 II 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?

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