SA74GLAircraft structures
Install wing tip recognition lights.
FAA holder: Signature Flight Support Corporation
FAA-listed STC holder
Signature Flight Support Corporation STCs
The Jun 30, 2026 FAA DRS snapshot lists 310 selected supplemental type certificates with status Current under Signature Flight Support Corporation. The records span 97 public aircraft directories and 14 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.
310
listed Current at snapshot
97
aircraft directories
14
modification categories
Oct 13, 2000
latest recorded revision
Modification mix
Other aircraft modifications105
Avionics32
Cabin and interiors26
Aircraft structures25
Electrical systems24
Engine and powerplant23
Fuel systems18
Safety and emergency equipment13
Flight controls13
Landing gear and brakes12
Aircraft performance7
Propellers6
Aircraft connectivity4
Cargo and special mission2
Aircraft represented
Gulfstream Aerospace G-1159304 STCsLockheed Martin Aeronautics 18145 STCsMitsubishi Heavy Industries MU-2B-35132 STCsDassault-Aviation Fan Jet Falcon Series D111 STCsDassault-Aviation Fan Jet Falcon Series E109 STCsDassault-Aviation Fan Jet Falcon Series F105 STCsDassault-Aviation Fan Jet Falcon Series C92 STCsBoeing DC3C-S4C4G91 STCsBoeing DC3C-S1C3G90 STCsBoeing DC3C-SC3G88 STCsBoeing DC3C-R-1830-90C87 STCsSabreliner Aviation NA-265-4079 STCsSabreliner Aviation NA-265-6074 STCsLockheed Martin 1329-2573 STCsCessna Aircraft 31073 STCsDassault Aviation Fan Jet Falcon72 STCsMitsubishi Heavy Industries MU-2B-3071 STCsMitsubishi Heavy Industries MU-2B-2070 STCsBoeing DC3A-S1C3G70 STCsBoeing DC3A-SC3G68 STCs
Recently revised records
Showing the 100 most recently revised records. Category directories provide the complete paginated discovery path.
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SA1592SWElectrical systems
Installation of battery temperature indicating system.
FAA holder: Signature Flight Support Corporation
SA1016SWAvionics
Installation of Collins AL-101 radio altimeter.
FAA holder: Signature Flight Support Corporation
SA1037SWElectrical systems
Installation of emergency lights and battery.
FAA holder: Signature Flight Support Corporation
SA1057SWAvionics
Installation of dual Collins FD-109 Flight Director System.
FAA holder: Signature Flight Support Corporation
SA105SWLanding gear and brakes
Installation of landing gear doors.
FAA holder: Signature Flight Support Corporation
SA107SWOther aircraft modifications
Installation of alcohol deicing system.
FAA holder: Signature Flight Support Corporation
SA1092SWAvionics
Installation of dual Sperry SPI-73 flight director systems.
FAA holder: Signature Flight Support Corporation
SA1105SWOther aircraft modifications
Installation of flight data and cockpit voice recorder.
FAA holder: Signature Flight Support Corporation
SA1121SWAvionics
Installation of Collins AL-101 radio altimeter.
FAA holder: Signature Flight Support Corporation
SA1149SWOther aircraft modifications
Installation of a hot water heater.
FAA holder: Signature Flight Support Corporation
SA1150SWAvionics
Installation of Litton LTN 51 inertial navigation system.
FAA holder: Signature Flight Support Corporation
SA1180SWOther aircraft modifications
Chair installation.
FAA holder: Signature Flight Support Corporation
SA1216SWElectrical systems
Battery relocation and installation.
FAA holder: Signature Flight Support Corporation
SA129SWOther aircraft modifications
Installation of empennage saddle-back fairing.
FAA holder: Signature Flight Support Corporation
SA130SWOther aircraft modifications
Installation of 35,000 B.T.U. combustion heater.
FAA holder: Signature Flight Support Corporation
SA1317SWElectrical systems
Revised battery installation.
FAA holder: Signature Flight Support Corporation
SA1336SWOther aircraft modifications
Installation of pressure refueling control system.
FAA holder: Signature Flight Support Corporation
SA1364SWSafety and emergency equipment
Installation of emergency lighting system.
FAA holder: Signature Flight Support Corporation
SA1389SWOther aircraft modifications
Installation of auxiliary power unit Solar T62T-39 and Hamilton Standard simple/bootstrap air cycle unit Model R70-3W.
FAA holder: Signature Flight Support Corporation
SA13SWOther aircraft modifications
Installation of ground operated APU.
FAA holder: Signature Flight Support Corporation
SA1440SWEngine and powerplant
Separation of hydraulic pump seal drain from engine drain manifold.
FAA holder: Signature Flight Support Corporation
SA1457SWOther aircraft modifications
Modification of pressurization and air conditioning system.
FAA holder: Signature Flight Support Corporation
SA145SWCabin and interiors
Installed cabin door (hinged at the bottom).
FAA holder: Signature Flight Support Corporation
SA150SWAircraft structures
Installed Southwind Heater, one in each side of center wing section.
FAA holder: Signature Flight Support Corporation
SA151SWFuel systems
Installed windshield anti-icer system and three-gallon tank.
FAA holder: Signature Flight Support Corporation
SA1553SWAvionics
Installation of dual Collins INS-618 inertial navigation units.
FAA holder: Signature Flight Support Corporation
SA1593SWElectrical systems
Installation of individual battery control relay system.
FAA holder: Signature Flight Support Corporation
SA1605SWElectrical systems
Installation of a Microcom battery temperature indicator system and a battery isolation system.
FAA holder: Signature Flight Support Corporation
SA1606SWElectrical systems
Installation of Microcom battery temperature indicator system and battery isolation system.
FAA holder: Signature Flight Support Corporation
SA1617SWSafety and emergency equipment
Installation of outside oxygen service.
FAA holder: Signature Flight Support Corporation
SA1662SWFuel systems
Installation of outboard fuel system.
FAA holder: Signature Flight Support Corporation
SA1724SWOther aircraft modifications
Installation of freon air conditioner.
FAA holder: Signature Flight Support Corporation
SA1730SWFlight controls
Installation of aileron trim tab.
FAA holder: Signature Flight Support Corporation
SA1739SWOther aircraft modifications
Installation of storage box in tail cone.
FAA holder: Signature Flight Support Corporation
SA1742SWOther aircraft modifications
Installation of vapor cycle air conditioning system.
FAA holder: Signature Flight Support Corporation
SA177SWOther aircraft modifications
Installation of tail cone.
FAA holder: Signature Flight Support Corporation
SA17SWOther aircraft modifications
Installation of electric trim tab servo.
FAA holder: Signature Flight Support Corporation
SA181SWSafety and emergency equipment
Installation of oxygen system.
FAA holder: Signature Flight Support Corporation
SA183SWOther aircraft modifications
Installation of air conditioner.
FAA holder: Signature Flight Support Corporation
SA1860SWAvionics
Installation of dual Sperry SPI-77A flight director system.
FAA holder: Signature Flight Support Corporation
SA1861SWOther aircraft modifications
Installation of Sperry ADC-200 altitude computer and Sperry 2593564-910 altitude preselect systems.
FAA holder: Signature Flight Support Corporation
SA1869SWOther aircraft modifications
Installation of two Hamilton Standard air cycle refrigeration units.
FAA holder: Signature Flight Support Corporation
SA187SWEngine and powerplant
Firewall fluid shutoff valve installation.
FAA holder: Signature Flight Support Corporation
SA188SWCabin and interiors
Installation of Scene-A-Ramic cabin windows.
FAA holder: Signature Flight Support Corporation
SA18SWOther aircraft modifications
Installation of carburetor adapter.
FAA holder: Signature Flight Support Corporation
SA1915SWSafety and emergency equipment
Installation of emergency lighting.
FAA holder: Signature Flight Support Corporation
SA1926SWFuel systems
Installation of Fuel purge system.
FAA holder: Signature Flight Support Corporation
SA192SWFlight controls
Installation of Mighty Midget hydraulic selector (flap and gear).
FAA holder: Signature Flight Support Corporation
SA194SWOther aircraft modifications
Installation of cockpit side windows.
FAA holder: Signature Flight Support Corporation
SA1962SWElectrical systems
Installation of generator overvoltage/over-current protection.
FAA holder: Signature Flight Support Corporation
SA1993SWAircraft structures
Installation of wing ice lights.
FAA holder: Signature Flight Support Corporation
SA1994SWCabin and interiors
Installation of jump seat.
FAA holder: Signature Flight Support Corporation
SA2-100Other aircraft modifications
Installation of electric trim actuator.
FAA holder: Signature Flight Support Corporation
SA2-102Safety and emergency equipment
Installation of Emergency Fluid Shut-Off Valves.
FAA holder: Signature Flight Support Corporation
SA2-1020Cabin and interiors
Interior arrangement in the cabin from Station 133 to 525.
FAA holder: Signature Flight Support Corporation
SA2-103Other aircraft modifications
Installation of anti-collision lights.
FAA holder: Signature Flight Support Corporation
SA2-105Other aircraft modifications
Installation of 36-inch length picture windows between Stations 279 and 392.
FAA holder: Signature Flight Support Corporation
SA2-1071Aircraft structures
Manufacture of alcohol under wing to fuselage fillet tanks, P/N 352581, to replace Douglas alcohol tanks P/N 5161344 or 5188619, and mounting bracket P/N 352573 replacing the Douglas brackets P/N 5161873-46, -48, -52, -54 and Douglas P/N 4161884 and 4161882.
FAA holder: Signature Flight Support Corporation
SA2-1078Other aircraft modifications
Installation of flight line nose heater.
FAA holder: Signature Flight Support Corporation
SA2-1126Flight controls
Rudder anti-overbalance springs.
FAA holder: Signature Flight Support Corporation
SA2-1127Landing gear and brakes
Main landing gear and tail gear metering pins modified.
FAA holder: Signature Flight Support Corporation
SA2-1128Flight controls
Installation of elevator spring tab, trim tab, nose down spring and elevator bellcrank station 561.
FAA holder: Signature Flight Support Corporation
SA2-1129Other aircraft modifications
Hydraulic system pressure increase to 1050 p.s.i.
FAA holder: Signature Flight Support Corporation
SA2-1132Safety and emergency equipment
Installation of picture windows and/or emergency exit.
FAA holder: Signature Flight Support Corporation
SA2-1133Other aircraft modifications
Installation of integrated alcohol system.
FAA holder: Signature Flight Support Corporation
SA2-1136Other aircraft modifications
Installed a Lear rotary electric actuator No. 164EK in carburetor air control valve linkage.
FAA holder: Signature Flight Support Corporation
SA2-1148Aircraft connectivity
Installation of VOR antenna on vertical fin.
FAA holder: Signature Flight Support Corporation
SA2-1158Fuel systems
Fuel tank access port cover wing centersection L-18.
FAA holder: Signature Flight Support Corporation
SA2-1159Other aircraft modifications
Installation of anti-ice system.
FAA holder: Signature Flight Support Corporation
SA2-1165Other aircraft modifications
Modification to hydraulic system.
FAA holder: Signature Flight Support Corporation
SA2-1167Other aircraft modifications
Installation of Dual Jato.
FAA holder: Signature Flight Support Corporation
SA2-1170Other aircraft modifications
Installation of de-icer boot vacuum system.
FAA holder: Signature Flight Support Corporation
SA2-118Other aircraft modifications
Installation of short horizontal stabilizer tips and related equipment.
FAA holder: Signature Flight Support Corporation
SA2-1181Flight controls
Installation of flap speed restricting system L-18.
FAA holder: Signature Flight Support Corporation
SA2-128Other aircraft modifications
Increase incidence of horizontal stabilizer.
FAA holder: Signature Flight Support Corporation
SA2-14Other aircraft modifications
Aircraft structure altered.
FAA holder: Signature Flight Support Corporation
SA2-145Other aircraft modifications
Installation of commode-hassock.
FAA holder: Signature Flight Support Corporation
SA2-148Other aircraft modifications
Install aft baggage compartment support structure.
FAA holder: Signature Flight Support Corporation
SA2-1517Other aircraft modifications
Centersection structural rework.
FAA holder: Signature Flight Support Corporation
SA2-1518Flight controls
Rudder and aileron interconnect installation.
FAA holder: Signature Flight Support Corporation
SA2-1521Fuel systems
Installation of fuel dump systems.
FAA holder: Signature Flight Support Corporation
SA2-1522Engine and powerplant
Modification of powerplant installation.
FAA holder: Signature Flight Support Corporation
SA2-1523Propellers
Propeller autofeathering system installation.
FAA holder: Signature Flight Support Corporation
SA2-1531Aircraft structures
Installation of wing tips and related equipment.
FAA holder: Signature Flight Support Corporation
SA2-1532Safety and emergency equipment
Installation of stall warning system.
FAA holder: Signature Flight Support Corporation
SA2-1538Flight controls
Replaced the wing flap fabric covering with aluminum sheet.
FAA holder: Signature Flight Support Corporation
SA2-154Aircraft performance
Installation of L712006-502 or503 Airspeed System.
FAA holder: Signature Flight Support Corporation
SA2-1553Safety and emergency equipment
Stall warning system.
FAA holder: Signature Flight Support Corporation
SA2-1554Aircraft performance
Increase gross weight to 22,050 pounds takeoff and 20,500 pounds landing.
FAA holder: Signature Flight Support Corporation
SA2-1571Fuel systems
Installation of PV-1 oil tank modified to 20 US gallons.
FAA holder: Signature Flight Support Corporation
SA2-163Aircraft performance
Installation of airspeed system.
FAA holder: Signature Flight Support Corporation