FAA-listed STC holder
Sierra Industries Ltd. STCs
The Jun 30, 2026 FAA DRS snapshot lists 94 selected supplemental type certificates with status Current under Sierra Industries Ltd.. The records span 184 public aircraft directories and 10 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 94 most recently revised records. Category directories provide the complete paginated discovery path.
94 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 |
|---|---|---|---|
SA8458SWInstallation of quick release nose radome latch mechanisms.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA09377SCInstall P&W Model JT15D-4 engines.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA11050SC-DInstallation of Optional Engine Indicating System (EIS).Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1382WEInstallation of flap actuated aileron droop system.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1400NWRemoval of ailerons and install full span flaps, spoiler roll control system, and elevator downspring compensator.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1435WEInstallation of drooped ailerons in flaps down mode, recontoured wing leading edge, except 180J and K, actuated elevator trip system and installation of SC-100 stall warning system. (180, A, B, C, D, E, F, G, H, J, K LANDPLANE; FLOATPLANE AND AMPHIBIAN).Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1441WEInstallation of drooped ailerons in flaps down mode, recontoured wing leading edge (except A185F) stall fence, flap actuated elevator trim system and installation of SC-100 stall warning system. (A185F LANDPLANE; FLOATPLANE; AMPHIBIAN; SKIPLANE).Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1525WEInstallation of droop ailerons in flaps down mode, recontoured wing leading edge, and elevator trim spring (except on T210K, L, M, and210K, L, and M).Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1538NMData pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation made in Cessna Model 500, Serial No. 0304 only. Installation of medical systems.Cargo and special missionView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1562NMInstallation of cargo liner and retention system.Cargo and special missionView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1569NMInstallation of side-looking camera hatch.Cargo and special missionView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1596NMInstallation of extended range fuselage auxiliary fuel tank.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1597NMInstallation of aft fuselage fuel tank fill system.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1598NMInstallation of tailcone baggage compartment modification,including access door modification.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1627WEInstallation of drooped ailerons in flaps down mode, recontoured wing leading edge, stall fences, aileron centering springs, conical cambered wing tips and flap actuated elevator trim spring.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1663NMAddition of fowler wing flaps, elevator trim spring with cockpit tension select lever, fuselage strakes, and nacelle strakes.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1689WEInstallation of drooped ailerons in flaps down mode, contoured wing leading edge and wing stall fences. (172A, B, C, D, E, F, G, H, K, L, M, N, P LANDPLANES AND FLOAT-PLANES) (172 LANDPLANES ONLY).Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1755NMInstallation of positive flap retraction system.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1756NMInstallation of positive flap retraction system.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1782WEInstallation of drooped ailerons, drooped wing leading edge, stall fence and rudder seal.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA1977WEInstallation of recontoured wing leading edge, stall fences, wing tips and positive aileron seals.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2002WEInstallation of recontoured wing leading edge, stall fences, wing tips and positive aileron seals.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2003WEInstallation of recontoured wing leading edge, stall fences, wing tips and positive aileron seals. (180A, 180B, 180C, 180D, 180E, 180F, 180G, 180H LANDPLANE; SKIPLANE; FLOATPLANE).Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2004WEInstallation of contoured wing leading edge and following options: stall fences, Robertson wing tips, positive aileron seals.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2121WEInstallation of recontoured wing leading edge, drooped ailerons in flaps down mode, stall fences, and elevator trim spring.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2143WEInstallation of recontoured wing leading edge, drooped ailerons in flaps down mode, wing stall fences, fuselage flap, raked wing tips, flap actuated elevator trim spring, modified flap cove and dorsal fin. (PA-28-235 S/N28-10001 thru 28-7210023).Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2172NMInstallation of LONGWING modification including wing tip extensions, extended pneumatic de-ice boot, increased fuel capacity, and other minor refinements.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2179WEInstallation of leading edge cuff, drooped ailerons in flaps down mode, wing stall fences, raked wing tips, fuselage flap, stabilator trim spring and dorsal fin (optional). (PA-28-180 S/N 28-03, 28-1 thru 28-7205318; S/N 28-E13) (PA-28 SERIES 7305001 AN D UP.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2189WEInstallation of recontoured wing leading edge, stall fences, wing tips, and positive aileron seals. (185, 185A, 185B, 185C, 185E LANDPLANE; FLOATPLANE AND AMPHIBIAN) (185D SKIPLANE).Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2191WEInstallation of recontoured wing leading edge, stall fences, and drooped ailerons in flaps down mode.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2192WEInstallation of recontoured wing leading edge, stall fences, and drooped ailerons in flaps down mode.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2202WEInstallation of recontoured leading edge, drooped ailerons in flaps down mode, fuselage flap, stabilator trim spring, wing stall fences, raked wing tips and dorsal fin (optional). (PA-28R-200 s/n 28R-35001 thru 28R-7135329 and s/n 28-R-235001 and up).Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2217WEInstallation of recontoured wing leading edge, raked wing tips, fuselage flap, wing stall fences, drooped ailerons in flaps down mode and dorsal fin (optional). (PA-32S-300 landplane only).Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2242WEInstallation of recontoured wing leading edge and stall fences.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2326WEInstallation of recontoured wing leading edge, stall fences, and wing tips. (P206A LANDPLANE) (TP206E LANDPLANE AND SKIPLANE) (P206 LANDPLANE AND FLOATPLANE) (TU206E SKIPLANE).Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2327WEInstallation of recontoured wing leading edge, stall fences, and wing tips.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2442WEInstallation of dual hydraulic pump.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2445WEInstallation of recontoured inboard wing leading edge, stall fences, drooped ailerons in flaps down mode, rudder anti-servo tab system.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2495WEInstallation of recontoured wing leading edge, staff fences, drooped ailerons in flaps down mode, flap actuated stabilator trim system, new wing tips, SC-100 stall warning system.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2646NMOptional takeoff gross weight increase for airplanes modified in accordance with STC SA2172NM which includes wing tip extensions, extended pneumatic de-ice boot, and increased fuel capacity.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2714NMInstallation of extended range fuselage auxiliary fuel tank.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2736NMInstallation of two-zone temperature control system MU-300 (S/N A023SA only).Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2737NMInstallation of aft fuselage maintenance access doors.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2744NMInstallation of extended range fuselage auxiliary fuel tank.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA2745NMInstallation of aft fuselage fuel tank fill system.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA3002WEInstallation of wing tip fuel tanks of 17 gal capacity (each).Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA3376NMInstallation of fowler flaps and a flap activated elevator up spring.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA3853SWInstall three auxiliary bladder type fuel tanks in each wing.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA3885NMInstallation of medical air transport unit.Cargo and special missionView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA4098NMInstallation of a replacement cabin door hinge assembly.Cabin and interiorsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA4099NMInstallation of a replacement cabin door hinge assembly.Cabin and interiorsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA4406NMInstallation of Pratt & Whitney JT15D-4 engines including minor aircraft modifications.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA5218NMInstallation of medical air transport unit.Cargo and special missionView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA5232NMIntallation of D.C. converter.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA5233NMInstallation of side-looking camera hatch.Cargo and special missionView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA5234NMInstallation of a replacement cabin door optically flat window.Cabin and interiorsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA5737SWRemove main landing gear doors and associated hydraulic system and cover the wheel wells with a fairing.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA756NWInstallation of a droop aileron system, stall fences and stall strips.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA7768SWInstallation of replacement extended range bladder fuel cells. (206 S/N 206-0001 thru 206-0275 P206; S/N P206-0002 thru P206-0647) (U206 S/N U206-0276 - U206-4649).Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA7834SWProvisions for auxiliary fuel tanks for S/N 18502837 only.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA7838SWInstallation of replacement extended range bladder fuel cells.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA7839SWInstallation of replacement extended range bladder fuel cells. (210-5 (205) S/N 205-0001 - 205-0577) (210 S/N 21057841 - 21058818) (T210 SERIES S/N T210-0001-T210-0197).Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA8020SWInstallation of engine thrust reversers.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA805NWInstallation of an engine cover storage box.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA8176SWInstall Pratt & Whitney Canada JT15D-1A engines.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA8323SWInstall Pratt & Whitney Canada PT6A-25C engine and Hartzell HC-B3TN-2/T10178(N)-8R propeller.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA8436SWInstallation of Pratt & Whitney Canada JT15D-18 engines.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA8855SWInstallation of two Pratt & Whitney Canada JT15D-1B engines.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA892NWAddition of fowler wing flaps elevator trim spring with cockpit tension select lever, and fuselage strakes.Flight controlsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA903NWInstallation of wing tip recognition lights.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA926NWInstallation of wing tip recognition lights.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA927NWAddition of fowler wing flaps, elevator trim spring with cockpit tension select lever, fuselage strakes, and nacelle strakes.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA932NWLimited to Cessna Model 500 airplane S/N 0292, ASTEC S/N 20 only. Installation of the Global navigation system, GNS500A.AvionicsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA957NWInstallation of RCA digital weather radar system.AvionicsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
ST00009DEInstallation of a medical stretcher.Cargo and special missionView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
ST00232DEInstallation of a cabin door optically flat window.Cabin and interiorsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
ST02363LAInstallation of Honeywell TFE731-50R engines.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
ST09109SCInstallation of avionics master switch.AvionicsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
ST09630ACInstallation of Meggitt Avionics Engine Instrument Display System.AvionicsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
ST09718ACInstallation of Artex C406 (406 MHz) Series emergency locator transmitter, antenna, and remote switch assembly.Aircraft connectivityView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
ST09975SCOptimal maximum zero fuel weight (MZFW) increase for aircraft modified per STC SA2172NM installation of LONGWING Modification including wing tip extensions, extended pneumatic de-ice boot, increased fuel capacity, and other minor refinements.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
ST165RMInstallation of fiberglass tail cone in lieu of metal tail cone.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA09010SCInstallation of a pilot's control wheel mounted, alternate gear horn silence switch.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA09229SCRemoval of mechanical factory nose baggage door stop assemblies and installation of pneumatic gas cylinder baggage door openers.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA09862ACRemoval of original equipment manufacturer ladder and installation of a new design cabin entrance step assembly.Cabin and interiorsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA3634SWInstall three auxiliary bladder type fuel tanks in each wing.Fuel systemsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA5934SWConvert hydraulic nose gear door actuating system to mechanical system.Aircraft structuresView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA8437SWInstallation of nose radome quick release mechanism.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA8828SWInstallation of inertial reel assembly on pilot and co-pilot shoulder harnesses.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA8829SWInstallation of an inertial reel assembly on the pilot and co-pilot shoulder harnesses.Other aircraft modificationsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
ST09011SCInstallation of a pilot's, control wheel mounted, alternate gear horn silence switch.Landing gear and brakesView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
ST09559ACInstallation of Williams/Rolls FJ44-2A engine. Installation of STC SA732NW required for this mod.Engine and powerplantView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
ST09863ACRemoval of original equipment manufacturer ladder and installation of a new design cabin entrance step assembly.Cabin and interiorsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |
SA802NWInstallation of a transponder identification switch on left hand control wheel.AvionicsView record |
| Current at cited snapshot Application: | FAA holder: Sierra Industries Ltd. FAA authority record |