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Who holds what · as the FAA records the name

Signature Flight Support Corporation

Holds 335 approved modifications, most of them for the Lockheed 18. FAA spelling: Signature Flight Support Corporation.

Approved modifications 335 · newest first

2000-10-13SA74GL · Install wing tip recognition lights. · 690, 690A
2000-09-13SA1592SW · Installation of battery temperature indicating system. · 1329-23A, 1329-23D, 1329-23E
2000-08-31SA2-1148 · Installation of VOR antenna on vertical fin · Navy PV-1, 18
2000-08-31SA1994SW · Installation of jump seat. · Falcon 10
2000-08-31SA2-382 · Revised exhaust system. · 18
2000-08-31SA2431SW · Installation of Litton LTN-72 INS system with coupling to autopilot. · 1329-23A, 1329-23D, 1329-23E
2000-08-31SA399SW · Installation of APU · Viscount 745D
2000-08-31SA2-118 · Installation of short horizontal stabilizer tips and related equipment. · 18
2000-08-31SA248SW · Installation of fiberglass propeller spinner on aircraft equipped with 33D50 or 23E50 Hamilton Std. propeller hub. · 18
2000-08-31SA2-100 · Installation of electric trim actuator. · 18
2000-08-31SA1724SW · Installation of freon air conditioner. · NA-265-40, NA-265-60, NA-265-65
2000-08-31SA2-238 · The anti-icer system altered to incorporate all anti-icer fluid into one tank rather than the original four-tank system · 18
2000-08-31SA2-163 · Installation of airspeed system · 18
2000-08-31SA2-400 · Revision of flap mechanism. · 18
2000-08-31SA150SW · Installed Southwind Heater, one in each side of center wing section · C-45G, C-45H, D18S
2000-08-31SA2-518 · Installation of 'Two Shot C02 System Installation.' · 18
2000-08-31SA68SW · Installed a positive stop in the rudder system. · DC3-G102, DC3-G102A, DC3-G103A
2000-08-31SA2-98 · Installation of 300 amp generator system. · DC3A-S1C3G, DC3A-S1CG, DC3A-S4C4G
2000-08-31SA130SW · Installation of 35,000 B.T.U. combustion heater. · D.H. 104 Dove Series 1A, D.H. 104 Dove Series...
2000-08-31SA426SW · Installation of carburetor ram air scoop extension. · C-45H
2000-08-31SA2363SW · Installation of lavatory seat structure. · G-1159
2000-08-31SA564SW · Installation of tricycle landing gear. · 18
2000-08-31SA2-521 · Installation of Edison continuous fire detection system. · 18
2000-08-31SA1993SW · Installation of wing ice lights. · Falcon 10
2000-08-31SA107SW · Installation of alcohol deicing system. · 18
2000-08-31SA201SW · Installation of tail cone. · 18
2000-08-31SA2-228 · The generator system rewired to accommodate a 200-amp load and equipment. · B-23
2000-08-31SA129SW · Installation of empennage saddle-back fairing. · 18
2000-08-31SA2-865 · Installation of propeller spinner. · 18
2000-08-31SA2-274 · Installation of propeller spinner. · 18
2000-08-31SA60SW · Installation of windshield and prop alcohol system · 182 Series, 18
2000-08-31SA2-560 · Installation of Warren McArthur chair Model 225 or 239 for pilot and co-pilot. · 18
2000-08-31SA1016SW · Installation of Collins AL-101 radio altimeter. · Fan Jet Falcon
2000-08-31SA2456SW · Installation of EAS fabricated 3-piece couch. · 1329-25
2000-08-31SA2-1518 · Rudder and aileron interconnect installation. · 18
2000-08-31SA1440SW · Separation of hydraulic pump seal drain from engine drain manifold. · 680-T, 680-V, 680-W
2000-08-31SA278SW · Exhaust stack installation · 18
2000-08-31SA301SW · Installation of lower nacelle. · 18
2000-08-31SA2-56 · The landing light mounting in each outer wing panel leading edge altered · DC3-G102, DC3-G102A, DC3-G103A
2000-08-31SA2-1166 · Installation of fuel system. · 18
2000-08-31SA53SW · Installed outer wing panel fuel tanks. · C-45G, C-45H, D18S
2000-08-31SA2468SW · Installation of single Delco Carousel IV/IVA INS system with coupling to autopilot. · 1329-25
2000-08-31SA730SW · Relocation of one 750VA inverter, installation of two 2500 VA inverters, and removing one1500 VA and one 750 VA inverter. · Fan Jet Falcon
2000-08-31SA4067SW · Installation of Freon air conditioner compressor/condensor package in aft fuselage tail section. · Fan Jet Falcon
2000-08-31SA2-809 · Installation of lavatory window L.H. side of aircraft between Stations 149 and 164 (inches aft of datum). · D.H. 104 Dove Series 1A, D.H. 104 Dove Series...
2000-08-31SA4296SW · Installation of Global Navigation Inc GNS-500A Series III VLG/Omega Navigation System. · NA-265-40, NA-265-60
2000-08-31SA1057SW · Installation of dual Collins FD-109 Flight Director System. · G-1159
2000-08-31SA2-145 · Installation of commode-hassock. · D.H. 104 Dove Series 1A, D.H. 104 Dove Series...
2000-08-31SA211SW · Installation of higher strength main landing gear drag strut anchor fitting. · 18
2000-08-31SA2-6 · Installation of airspeed system when radar nose is installed. · Lockheed 18
2000-08-31SA2-515 · Installation of cabin seats. · 18
2000-08-31SA2-105 · Installation of 36-inch length picture windows between Stations 279 and 392. · 18
2000-08-31SA2-1532 · Installation of stall warning system. · 18
2000-08-31SA2-572 · Installation of airspeed system. · 18
2000-08-31SA2-946 · Installation of main landing gear doors. · 18
2000-08-31SA1861SW · Installation of Sperry ADC-200 altitude computer and Sperry 2593564-910 altitude preselect systems. · G-1159
2000-08-31SA2-446 · Installation of windshield and propeller anti-ice system. · 18
2000-08-31SA2-148 · Install aft baggage compartment support structure. · DC3-G102, DC3-G102A, DC3-G103A
2000-08-31SA1389SW · Installation of auxiliary power unit Solar T62T-39 and Hamilton Standard simple/bootstrap air cycle unit Model R70-3W. · Fan Jet Falcon, Fan Jet Falcon Series C, Fan...
2000-08-31SA51SW · Increase in gross weight to 22,500 pounds takeoff and 20,500 landing. · 18

The first 60 of 335.

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.