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Engine and powerplant

STC SA4-113

FAA DRS lists SA4-113 as Current · Reissued, held by Staggerwing Museum Foundation Inc., for Hawker Beechcraft C-45G, Hawker Beechcraft C-45H, and Hawker Beechcraft D18S, and 2 more aircraft configurations. Recorded change: Safety performance kit, increase gross weight to 9,000 lbs. takeoff and landing. Installation of P&W R-985-AN10, (Modified per P&W Special Instruction No. 15F-45 and eligible on C-45G, C45H, TC45G, & TC45H only), R-985-AN4 (modified per P&W Special Instruction No. 15F-45) or -AN14B Engine, associated powerplant installation changes, wheel well doors, and elevator hinge gap seals. Snapshot dated June 30, 2026.

Aircraft configurations
5
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Safety performance kit, increase gross weight to 9,000 lbs. takeoff and landing. Installation of P&W R-985-AN10, (Modified per P&W Special Instruction No. 15F-45 and eligible on C-45G, C45H, TC45G, & TC45H only), R-985-AN4 (modified per P&W Special Instruction No. 15F-45) or -AN14B Engine, associated powerplant installation changes, wheel well doors, and elevator hinge gap seals.

SA4-113 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: Hawker Beechcraft C-45G, Hawker Beechcraft C-45H, and Hawker Beechcraft D18S, and 2 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Hawker Beechcraft C-45G and Hawker Beechcraft C-45H, and 3 more aircraft configurations 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?