FAA-listed STC holder
SOUTHWESTERN AERO EXCHANGE INC. STCs
The Jun 30, 2026 FAA DRS snapshot lists 23 selected supplemental type certificates with status Current under SOUTHWESTERN AERO EXCHANGE INC.. The records span 32 public aircraft directories and 7 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 23 most recently revised records. Category directories provide the complete paginated discovery path.
23 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 |
|---|---|---|---|
SA1708WERemoval of cargo door (approved under STC SA995WE) to permit aircraft to engage in special operations such as aerial photography, parachute jumping, etc.Cargo and special missionView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA111WEInstalled Volpar Mark IV tricycle landing gear.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA1171WEInstallation of two AiResearch TPE331 Series engines, tricycle landing gear, wing platform modifications, and related modifications.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA1223WESee STC SA1223WE Addendum.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA1752WEInstallation of AiResearch Air Conditioning system.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA1832WEInstallation of Volpar Tricycle Landing Gear.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA2204WEInstallation of 2 AiResearch TPE331-1 series turbo prop engines with Hartzell HCB3TN propellers: 8-1/2 inches extension of fuselage and ventral fin, tricycle landing gear installation and related modifications.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA285WENose strut snubber installation.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA3385WEInstallation of AiResearch TPE 331-1-101B engines and increase gross weight to 11500 pounds.Aircraft performanceView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA4-1069Remove original Arens controls and lock mechanism for left and right cowl flaps and replace with electronic actuators, control switches, and indicator.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA554WEInstallation of square topped stair cabin door.Cabin and interiorsView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA947WEInterior arrangement. Data not suitable for reproduction in other aircraft; installation for Beech C 45H, Serial No. AF 851 only.Cabin and interiorsView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA1641WEInterior arrangement.Cabin and interiorsView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA2400WEInstallation of fiberglass nose cap left hand outer wing leading edge.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA3126WEInstallation of pilot cockpit door.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA4-1397Installation of Tricycle landing gear and nose assembly.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA4-1531Installation of Tricycle landing gear and revised nose assembly with optional radome.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA4-855Addition of windows in cabin.Cabin and interiorsView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA468WEReplacement of round window between Bulkhead Nos. 9 and 10 with Beech Super 18 type window.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA4-1578Removal of the main cabin entrance door and installation of stair door.Cabin and interiorsView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA4-1645Installation of Stewart-Warner Model 8259-A heater.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |
SA1636WEInstallation of AiResearch TPE 331 series engine, tricycle landing gear and ventral fin, extension of fuse- lage and related changes.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Southwestern Aero Exchange Inc FAA authority record |
SA565WEInstallation of wing tips per FAA Sealed Drawing No s. ASP-2029 and API-2030.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: SOUTHWESTERN AERO EXCHANGE INC. FAA authority record |