Aircraft STC directory
Hawker Beechcraft D18S STCs
The Jun 30, 2026 FAA DRS snapshot contains 29 selected supplemental type certificates with status Current whose public applicability data names the Hawker Beechcraft D18S. 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 D18S STCs
Showing the 29 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.
Pratt & Whitney R-985 engine installation with Simmonds Aero- cessories 580047 fuel injector.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of extended tail wheel assembly.
FAA holder: Staggerwing Museum Foundation Inc.
Increase in take-off Gross Weight to10,200 pounds and landing weight to9800 pounds. Extension of Aft. C.G. limits to +120.5 at 10,200 pounds.
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.
Installation of modified wing tips.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of Hartzell propeller unfeathering crossfeed system.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of two (2) 25,000 BTU Janitrol Heaters installed one (1) in each wheel well.
FAA holder: Staggerwing Museum Foundation Inc.
Raise horizontal stabilizer and installation of elevator seal assembly.
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.
Increase in take-off weight to 9800 pounds, and increase in landing weight to 9400 pounds, when P&W R-985-AN14B;-AN4 (modified per P&W Special Instruction No. 15F-45) or -AN10 (modified per P&W Special Instruction No. 15F-45) or -AN-1M1(with the Stromberg NAR-9B-19 carburetor with 2-3/4 inch venturi) is installed.
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.
Oval passenger windows.
FAA holder: Staggerwing Museum Foundation Inc.
Tricycle landing gear and revised nose assembly with optional radome. (Model may also be designated as Conrad 10,200.).
FAA holder: Staggerwing Museum Foundation Inc.
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.
FAA holder: Staggerwing Museum Foundation Inc.
Revised horizontal stabilizer angle of incidence from -2 degrees to -1/2 degrees.
FAA holder: Staggerwing Museum Foundation Inc.
Two Model 940 Stewart-Warner heaters, install one in each wheel well.
FAA holder: Staggerwing Museum Foundation Inc.
Stewart-Warner heater 940B/24 in fuselage.
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