Aircraft STC directory
Raytheon Aircraft E18S STCs
The Jun 30, 2026 FAA DRS snapshot contains 37 selected supplemental type certificates with status Current whose public applicability data names the Raytheon Aircraft 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 37 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Installation of Grimes three-light strobe system as a supplemental light system.
FAA holder: Honeywell International Inc.
Modifications for increase in maximum weights.
FAA holder: Staggerwing Museum Foundation Inc.
Installed Volpar Mark IV tricycle landing gear.
FAA holder: SOUTHWESTERN AERO EXCHANGE INC.
Nose strut snubber installation.
FAA holder: SOUTHWESTERN AERO EXCHANGE INC.
Installation of AiResearch TPE 331-1-101B engines and increase gross weight to 11500 pounds.
FAA holder: SOUTHWESTERN AERO EXCHANGE INC.
Electrically-driven, mechanical, refrigerated air conditioner.
FAA holder: Rotorcraft Enterprises LLC
Installation of pilot cockpit door.
FAA holder: SOUTHWESTERN AERO EXCHANGE INC.
Replacement of round window between Bulkhead Nos. 9 and 10 with Beech Super 18 type window.
FAA holder: SOUTHWESTERN AERO EXCHANGE INC.
Installation of Stewart-Warner Model 8259-A heater.
FAA holder: SOUTHWESTERN AERO EXCHANGE INC.
Modification for increase in maximum weights.
FAA holder: Staggerwing Museum Foundation Inc.
Modification for increase in maximum weight approved for model E-18S, serial number BA20.
FAA holder: Staggerwing Museum Foundation Inc.
Installed American Turbine Engine Co. drawing B-138 divan.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of United Aircraft of Canada Ltd. PT6 series engines.
FAA holder: Staggerwing Museum Foundation Inc.
Install crack detection system.
FAA holder: Staggerwing Museum Foundation Inc.
Engine cowl and exhaust modifications.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of fuselage aft cargo door.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of cargo floor.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of cargo pod.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of cockpit exterior door.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of Bendix M-4C Autopilot and Sperry STARS Flight Director System for Beech Model E18S, N10FG, Serial No. BA-324, only.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of pilot cockpit door.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of spar strap extension to outboard wing panel.
FAA holder: Staggerwing Museum Foundation Inc.
A Bendix M-4C Autopilot System is installed.
FAA holder: Staggerwing Museum Foundation Inc.
Removal of fabric covering from the wing flaps, ailerons, rudders and elevators and replace and recover these surfaces with aluminum.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of two-piece plexi- glass windshield.
FAA holder: Hamilton Avn Co Inc
Increase in gross weight to 10,100 pounds. When aircraft has been modified, installation of nacelle vent manifold optional.
FAA holder: Staggerwing Museum Foundation Inc.