FAA-listed STC holder
Staggerwing Museum Foundation Inc. STCs
The Jun 30, 2026 FAA DRS snapshot lists 118 selected supplemental type certificates with status Current under Staggerwing Museum Foundation Inc.. The records span 46 public aircraft directories and 11 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.
Modification mix
Aircraft represented
Recently revised records
Showing the 100 most recently revised records. Category directories provide the complete paginated discovery path.
100 displayed records.
Search every indexed record for this holder. The table below contains the recently revised records shown on this page.
| STC and modification | Aircraft / model / TC | Source status and dates | Holder and authority |
|---|---|---|---|
SA4-32Internal combustion heaters.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1-398Pratt & Whitney R-985 engine installation with Simmonds Aero- cessories 580047 fuel injector.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1-427Pratt & Whitney R-985 engine installation with Simmonds Aero- cessories 580047 fuel injector per STC SE1-391, and takeoff weight increase to 9,800 lbs. and landing weight to 9,400 lbs. per STC SA2-820.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA138SOD18S landing gear 404-188400 on C18S.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-1016Recertification under subparts B &G of CAR 3 and installation of SA4-120 airspeed system, SA4-21, fuel system, and SA-2-523, stabilizer angle of incidence change and elevator seal strips.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-1230Installation of extended tail wheel assembly.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-1246Increase 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.Aircraft performanceView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-1261Install Fiberglas bubble tail wheel enclosure doors (enclosing entire wheel).Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-204Installation of one-peice windshield and flush cockpit side-windows.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-213Installation of modified wing tips.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-280Increase 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.Aircraft performanceView record |
| Current at cited snapshot Application: Not listed | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-328Installation of Hartzell propeller unfeathering crossfeed system.PropellersView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-338Installation of two (2) 25,000 BTU Janitrol Heaters installed one (1) in each wheel well.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-383Raise horizontal stabilizer and installation of elevator seal assembly.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-523Revise horizontal stabilizer angle of incidence from -3.6 degrees to-0.5 degrees.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-621Installation of Hartzell propellers, Model HC-93Z30-2C, -2D/10152-5 1/2, or HC-B3Z30-2D/10152-5 1/2.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-622Approval of existing Jack and HeintzA3A autopilot installation.AvionicsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-623Approval of existing installation of47 gallon nose fuel tanks.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-625Delete righthand rudder tab and system; install rudder control system bungee and shut-off valve.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-686Installation of Fiberglas Nose.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-725Installation of oil cooler, G & O Mfg. Co. #E703, modified with Fullerton Syphon DV5 thermostat.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-820Increase 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.Aircraft performanceView record |
| Current at cited snapshot Application: Not listed | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-992Installation of P&W R-985 Fuel Injection Engines, as modified by STC SE1-391.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2-993Installation of P&W R-985 Fuel Injection Engines, as modified by STC SE1-391.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA249SOIncrease in takeoff weight to10,200 lbs. and landing weight to9,800 lbs. and extension of aft C.G. limit to (+120.5) at 10,200 lbs. (Model may also be designated as Conrad 10,200.).Aircraft performanceView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA24CEOval passenger windows.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA27SOIncrease in landing weight to 9800 lbs. and extension of Aft. C.G. limits to +120.5. These limitations applicable to Beech D18S, C45H, TC45G, TC45H when modified to Airline Training Inc. CONRAD 9800 D.Aircraft performanceView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA3-383Beech D18S Goodyear wheels and brake assembly.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA3-732Full-view passenger window.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA31SOTricycle landing gear and revised nose assembly with optional radome. (Model may also be designated as Conrad 10,200.).Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-113Safety 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.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-119Revised horizontal stabilizer angle of incidence from -2 degrees to -1/2 degrees.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-120Dual airspeed system.Aircraft performanceView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-128Engines, propellers, revised nacelles, wheel-well doors, air- speed system, fuel system and elevator seal strips.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-152Two Model 940 Stewart-Warner heaters, install one in each wheel well.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-21Fuel system modified to provide dual wobble pumps and suction crossfeed and attendant plumbing.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-34Main landing gear door.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA53CEStewart-Warner heater 940B/24 in fuselage.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA814SOInstallation of wing spar strap Kit No. K7312.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SE1-391Pratt & Whitney R-985 engine and ATI fuel injection.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2437WEModifications for increase in maximum weights.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-769Cambridge fuel air ratio analyzers.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2414WEModification for increase in maximum weights.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA289WECarburetor air scoops.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA290WEMain landing gear doors.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA3-358Airplane and powerplant modifications related to civil conversion.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA3-632Beech Kit 581-1, except angle of incidence change (Item 602) and stall strips (Item 607c) of Spec. A-765; with STC SA2-383, with or without STC's SA2-204 and SA3-409; and wing spar mod. Maximum gross weight: takeoff 9,500 lbs., landing 9,400 lbs.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA305WECabin modified to G18 configuration.Cabin and interiorsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA332WEPropeller spinners and increase in maximum continuous power to 450 hp.PropellersView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA3471WEModification for increase in maximum weight approved for model E-18S, serial number BA20.Aircraft performanceView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA356WEInstallation of A3A autopilot.AvionicsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-1035Modification of door frame between cabin and cockpit for installation of folding door.Cabin and interiorsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-1116Three additional windows.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-1198Aft bulkhead removal.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-1256Installed astrodome.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-1299Voltage regulators moved to front side of forward bulkhead.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-1368Replaced Airline Training Company L-12001B wing tips with American Turbine Engine Company wing tips.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-1486Additional seats.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-1536Picture window G18 type.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-1595Installed American Turbine Engine Co. drawing B-138 divan.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-718Installed auxiliary nose fuel tanks per American Turbine Engine Company Drawing B-3, Sheet 1, Sheet 2 and Sheet 3.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA548WEAir stair door.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1016WEInstallation of United Aircraft of Canada Ltd. PT6 series engines.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1059WECargo door in fuselage.Cargo and special missionView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1137WEInstallation of cargo door in aft fuselage that applies to model E18S-9700, serial number BA-179 ONLY.Cargo and special missionView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1145WEInstallation of cargo door in fuselage.Cargo and special missionView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1151CEInstall crack detection system.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1152CEInstall crack detection system.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1153CEInstall crack detection system.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1154CEInstall crack detection system.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1155CEInstall crack detection system.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA120WEInstallation of Interior Arrangements.Cabin and interiorsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1391WEEngine cowl and exhaust modifications.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA142WEInstallation of Interior Arrangement and two Stewart Warner Series 940 Combustion Heaters, one heater in each nacelle above wing. Approved for C-45H, N158C, serial number AF-80 ONLY.Cabin and interiorsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1533WESpar reinforcement.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1721WEInstallation of United Aircraft of Canada, Ltd. PT6A-27 turboprop engines and lengthening of fuselage. Approved for installation on model E18S, serial number BA211 ONLY.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA180WEInstallation of modified air scoops for installation on model C-45H, serial number AF-138 ONLY.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1844WEModify fuselage structure for installation on Beech model 3NM, serial number CA-145 ONLY.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1905WEInstallation of cockpit exterior door on left side.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1956WEInstallation of fuselage aft cargo door.Cargo and special missionView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1998WEInstallation of Bendix Model M-4C automatic flight control system.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA1999WEInstallation of cargo floor.Cargo and special missionView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA22CEBasic airworthiness certification kit.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2353WEInstallation of cargo pod.Cargo and special missionView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2493WEInstallation of cockpit exterior door.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2494WEInstallation of extended nose section and modification to the elevator down spring system. (THESE MODELS MUST INCOPRORATE THE PROVISIONS OF STC SA2437WE TO BE ELIGIBLE FOR MODIFICATION.).Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2544WEInstallation of Bendix M-4C Autopilot and Sperry STARS Flight Director System for Beech Model E18S, N10FG, Serial No. BA-324, only.AvionicsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA272WEAT-11 camera window cutout. (No passenger seats are to be between bulkheads 5 and 7.).Cargo and special missionView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2736WEInstallation of pilot cockpit door.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2737WEInstallation of spar strap extension to outboard wing panel.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2794WEA Bendix M-4C Autopilot System is installed.AvionicsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA2815WERemoval of fabric covering from the wing flaps, ailerons, rudders and elevators and replace and recover these surfaces with aluminum.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA34WETwo 42.5-gallon auxiliary fuel tanks.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA3987WEIncrease in takeoff gross weight to 9, 465 pounds and installation of wing spar reinforcement, modified tail wheel fork and truss assembly, metal covered control surfaces, and rectangular windows for installation on model AT-11, serial numbers 41-9486 and 6501.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-1079Modified entrance door and aft windows. Data not suitable for reproduction of installation in other aircraft; therefore, it is approved for Beech C45H, N9187Z, Serial AF52-10954 only.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-1175Limited to installation on model C45H, serial numbers AF-869 and AF-757 ONLY.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-1176Installation of dual Stewart-Warner combustion heaters in the nose compartment. Approved for model C-45H, serial number AF 869 ONLY.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-1247Installed stair type entrance door to replace original cabin door for installation on model C45H, serial number AF-722 and AF-875 ONLY.Cabin and interiorsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-1323Installation of stair type entrance door, rectangular windows and outside opening baggage compartment.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |
SA4-1365Installation of two combustion heaters in nose for model D18S, serial number 99 ONLY.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Staggerwing Museum Foundation Inc. FAA authority record |