Aircraft STC directory
Hawker Beechcraft E18S STCs
The Jun 30, 2026 FAA DRS snapshot contains 12 selected supplemental type certificates with status Current whose public applicability data names the Hawker Beechcraft E18S. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Modification demand surface
Recently revised E18S STCs
Showing the 12 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Installation of a carburetor air induction system.
FAA holder: BlackHawk Aircraft Maintenance Inc.
Internal combustion heaters.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of extended tail wheel assembly.
FAA holder: Staggerwing Museum Foundation Inc.
Install Fiberglas bubble tail wheel enclosure doors (enclosing entire wheel).
FAA holder: Staggerwing Museum Foundation Inc.
Installation of one-peice windshield and flush cockpit side-windows.
FAA holder: Staggerwing Museum Foundation Inc.
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.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of Hartzell propeller unfeathering crossfeed system.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of oil cooler, G & O Mfg. Co. #E703, modified with Fullerton Syphon DV5 thermostat.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of P&W R-985 Fuel Injection Engines, as modified by STC SE1-391.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of a digital fuel flow indicating system.
FAA holder: Shadin Avionics
Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER).
FAA holder: Razorback Fabrics Inc