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Engine and powerplant

STC SH3324NM

FAA DRS lists SH3324NM as Current · Amended, held by Soloy LLC, for Eurocopter France AS-350B, Eurocopter France AS-350BA, and Eurocopter France AS-350D. Recorded change: Installation of an Allison 250-C30M engine, an engine scavenge oil filter, a redesignated exhaust stack (RMH configuration) and engine cowling(carbon fiber), an option of deleting an auxiliary oil cooler (P/N 20006A), and a relocation of the engine ignition exciter box on the engine compartment deck. Snapshot dated June 30, 2026.

FAA-listed holder
Soloy LLC
Aircraft configurations
3
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of an Allison 250-C30M engine, an engine scavenge oil filter, a redesignated exhaust stack (RMH configuration) and engine cowling(carbon fiber), an option of deleting an auxiliary oil cooler (P/N 20006A), and a relocation of the engine ignition exciter box on the engine compartment deck.

SH3324NM 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: Eurocopter France AS-350B, Eurocopter France AS-350BA, and Eurocopter France AS-350D. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Eurocopter France AS-350BH9EUEurocopter France AS-350BAH9EUEurocopter France AS-350DH9EU

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Eurocopter France AS-350B and Eurocopter France AS-350BA, 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?

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