STC SA1-398
FAA DRS lists SA1-398 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: Pratt & Whitney R-985 engine installation with Simmonds Aero- cessories 580047 fuel injector. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Pratt & Whitney R-985 engine installation with Simmonds Aero- cessories 580047 fuel injector.
SA1-398 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
- 01Does it cover the exact Hawker Beechcraft C-45G and Hawker Beechcraft C-45H, and 3 more aircraft configurations model, serial range, and configuration?
- 02Which powerplant configuration, limits, instruments, and maintenance data apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related engine and powerplant STCs
Installation of a new engine torque indicator.
FAA holder: Diamond J Inc
Installation of an exhaust gas temperature (EGT) indicator.
FAA holder: Diamond J Inc
Installation of stiffeners to the firewall assembly.
FAA holder: Alpine Aerotech Ltd
Descriptive data pertaining to this modification is considered inadequate for duplication in other aircraft. This approval is limited to the installation made in Piper Model J-3, Serial Number 2057. Installation of a Continental A-75-8 engine and Sensenich Model W70DK-40 wood propeller, and components for a 1200 lb. maximum weight.
FAA holder: Babcock Paul G