STC SA2-280
FAA DRS lists SA2-280 as Current · Reissued, held by Staggerwing Museum Foundation Inc., for Hawker Beechcraft E18S and Hawker Beechcraft E18S-9700. Recorded change: Increase in take-off weight to9800 pounds, and increase in landing weight to 9400 pounds, when P&W R-985-AN14B, or -AN4, -AN10 (modified per P&W Special Instruction No. 15F-45), or-AN1M1 (with NAR-9N-19 carburetor) modified per P&W Special Inst. No 15F-45 is installed. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Increase in take-off weight to9800 pounds, and increase in landing weight to 9400 pounds, when P&W R-985-AN14B, or -AN4, -AN10 (modified per P&W Special Instruction No. 15F-45), or-AN1M1 (with NAR-9N-19 carburetor) modified per P&W Special Inst. No 15F-45 is installed.
SA2-280 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 E18S and Hawker Beechcraft E18S-9700. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Hawker Beechcraft E18S and Hawker Beechcraft E18S-9700 model, serial range, and configuration?
- 02Which limits, loading assumptions, performance data, and supplements apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related aircraft performance STCs
Pratt & Whitney R-985-APS engines per STC SE4-864 in aircraft with Beech 9,900 lbs. gross weight kit 766-1.
FAA holder: Textron Aviation Inc
Increase the Maximum Gross Weight to 1320 lbs when the aircraft has been modified.
FAA holder: Alpha Aviation Inc
Increase the maximum ramp weight to 3,806 pounds and maximum takeoff weight to 3,789 pounds.
FAA holder: Textron Aviation Inc