# Fairchild SA227-TT - Type: Aircraft model (FAA registry) - Registry code: 3377517 - Manufacturer (registry): FAIRCHILD - Model: SA227-TT - Aircraft type: Fixed wing multi engine - Category: Airplane - Engines: 2 · Turbo-prop - Seats: 12 - Weight class: Up to 12,499 lb - Certification: Type certificated - Data sheet: [TCDS A5SW](https://openairdocs.org/tcds/A5SW) (OpenAirDocs) - Holder: Ontic Engineering and Manufacturing Inc. - Registered aircraft: 0 - Page: https://openairdocs.org/model/fairchild-sa227-tt Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 2017-07-01](https://openairdocs.org/ad/2017-07-01): Propellers/Propulsors · M7 Aerospace SA226-AT, SA226-T, SA226-T(B) and 7 more. Effective May 5, 2017 - [AD 2016-25-12](https://openairdocs.org/ad/2016-25-12): Horizontal Stabilizer Structure · M7 Aerospace SA226-AT, SA226-T, SA226-T(B) and 7 more. Effective Jan 12, 2017 - [AD 2016-15-02](https://openairdocs.org/ad/2016-15-02): Flight Controls · M7 Aerospace SA226-AT, SA226-T, SA226-T(B) and 9 more. Effective Aug 26, 2016 - [AD 2016-10-01](https://openairdocs.org/ad/2016-10-01): Elevator Control System · M7 Aerospace SA226-AT, SA226-T, SA226-T(B) and 7 more. Effective Jun 15, 2016 - [AD 2015-19-10](https://openairdocs.org/ad/2015-19-10): Flight Controls · M7 Aerospace SA226-AT, SA226-T, SA226-T(B) and 9 more. Effective Nov 3, 2015 - [AD 2014-09-02](https://openairdocs.org/ad/2014-09-02): Flight Controls · M7 Aerospace SA226-AT, SA226-T, SA226-T(B) and 9 more. Effective Jun 5, 2014 - [AD 2014-06-01](https://openairdocs.org/ad/2014-06-01): Fuselage Main, Bulkhead · M7 Aerospace SA226-AT, SA226-T, SA226-T(B) and 9 more. Effective Apr 25, 2014 - [AD 2012-18-01](https://openairdocs.org/ad/2012-18-01): Wing, Fuselage Attach Fitting · M7 Aerospace SA226-AT, SA226-T, SA226-T(B) and 7 more. Effective Sep 21, 2012 - [AD 2011-02-04](https://openairdocs.org/ad/2011-02-04): Flight Compartment Windows · M7 Aerospace SA226-AT, SA226-T, SA226-T(B) and 9 more. Effective Jan 24, 2011 - [AD 2007-16-03](https://openairdocs.org/ad/2007-16-03): Pitch trim actuators · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 8 more. Effective Sep 7, 2007 - [AD 2005-18-20](https://openairdocs.org/ad/2005-18-20): "FASTprop" propeller de-icers · Hartzell PHC-C3YF-1RF/F8468A(B,K)-8R constant speed propeller (STC SA00718LA or 17 others). Effective Oct 14, 2005 - [AD 2005-06-13](https://openairdocs.org/ad/2005-06-13): Wing spar center web cutout · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 7 more. Effective May 2, 2005 - [AD 2005-01-19](https://openairdocs.org/ad/2005-01-19): Mode S transponders · GARMIN International GTX 330D, GTX 330, GTX 33D and 830 more. Effective Feb 23, 2005 - [AD 2003-19-10](https://openairdocs.org/ad/2003-19-10): Fuel boost pump · M7 Aerospace SA226-AT, SA226-T, SA226-T(B) and 8 more. Effective Nov 7, 2003 - [AD 2002-08-02](https://openairdocs.org/ad/2002-08-02): Brake Shuttle Valves · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 4 more. Effective Jun 6, 2002 - [AD 2002-08-01](https://openairdocs.org/ad/2002-08-01): Brake Master Cylinders · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 4 more. Effective Jun 6, 2002 - [AD 2002-01-16](https://openairdocs.org/ad/2002-01-16): Dual Engine Flameout · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 5 more. Effective Mar 11, 2002 - [AD 2000-17-01](https://openairdocs.org/ad/2000-17-01): Brake System · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 4 more. Effective Oct 6, 2000 - [AD 2000-17-11](https://openairdocs.org/ad/2000-17-11): Main Landing Gear (MLG) Assemblies · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 4 more. Effective Sep 22, 2000 - [AD 2000-06-04](https://openairdocs.org/ad/2000-06-04): Pneumatic Deicing Boots · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 8 more. Effective May 5, 2000 - [AD 97-11-13](https://openairdocs.org/ad/97-11-13): Generator Fault Transformer Wiring · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 4 more. Effective Jul 11, 1997 - [AD 97-10-13](https://openairdocs.org/ad/97-10-13): Elevator Torque Tube Arm · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 5 more. Effective Jul 8, 1997 - [AD 97-01-12](https://openairdocs.org/ad/97-01-12): Ground Proximity Warning System · Airtell International Ground Proximity Warning System, Mystere-Falcon 200, EMB-110P1 and 20 more. Effective Feb 25, 1997 - [AD 96-20-08](https://openairdocs.org/ad/96-20-08): Replace Side Cockpit Window · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 7 more. Effective Nov 14, 1996 - [AD 96-19-05](https://openairdocs.org/ad/96-19-05): Main Landing Gear or Nose Landing Gear Assemblies or Yokes · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 7 more. Effective Oct 1, 1996 - [AD 96-09-16](https://openairdocs.org/ad/96-09-16): Airplane Flight Manual (AFM) - Icing · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 7 more. Effective Jun 11, 1996 - [AD 95-17-09 R1](https://openairdocs.org/ad/95-17-09-R1): Essential Bus Current Limiters · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 7 more. Effective May 13, 1996 - [AD 94-07-10 R1](https://openairdocs.org/ad/94-07-10-R1): Upper Wing Skin Inspection · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 7 more. Effective Mar 25, 1996 - [AD 96-03-03](https://openairdocs.org/ad/96-03-03): Power Control Cable Safety Wire Nuts · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 7 more. Effective Mar 15, 1996 - [AD 95-24-11](https://openairdocs.org/ad/95-24-11): Foreign Object Damage Barriers In Floorboards · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 7 more. Effective Jan 3, 1996 - [AD 93-15-01](https://openairdocs.org/ad/93-15-01): Horizontal Stabilizer Pivot Fitting Fasteners · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 5 more. Effective Sep 16, 1993 - [AD 93-07-12](https://openairdocs.org/ad/93-07-12): Horizontal Stabilizer Rear Spar Inspection · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 4 more. Effective May 28, 1993 - [AD 93-08-09](https://openairdocs.org/ad/93-08-09): Airplane Flight Manual (AFM) Change - Nose Wheel · M7 Aerospace SA227-AC (C-26A), SA227-AT, SA227-BC (C-26A) and 2 more. Effective May 14, 1993 - [AD 92-19-08](https://openairdocs.org/ad/92-19-08): Rudder Pedal Link Attachment · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 4 more. Effective Oct 16, 1992 - [AD 92-18-07](https://openairdocs.org/ad/92-18-07): Power Lever Detent Arms · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 5 more. Effective Oct 2, 1992 - [AD 90-24-03](https://openairdocs.org/ad/90-24-03): Rudder Trim Link Assemblies · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 10 more. Effective Jan 25, 1991 - [AD 85-22-06 R1](https://openairdocs.org/ad/85-22-06-R1): Stall Avoidance System (SAS) · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 4 more. Effective Oct 19, 1990 - [AD 90-03-19 R1](https://openairdocs.org/ad/90-03-19-R1): Electrical System · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 4 more. Effective Aug 15, 1990 - [AD 90-05-06 R1](https://openairdocs.org/ad/90-05-06-R1): Main Landing Gear Doors · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 4 more. Effective Aug 13, 1990 - [AD 87-02-02](https://openairdocs.org/ad/87-02-02): Primary Control Cables · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 4 more. Effective Jan 27, 1987 - [AD 86-10-08](https://openairdocs.org/ad/86-10-08): Elevator Gust Lock System · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 4 more. Effective May 28, 1986 - [AD 84-13-01](https://openairdocs.org/ad/84-13-01): Generator Control J-Box · M7 Aerospace SA226-TC, SA227-AC (C-26A), SA227-AT and 1 more. Effective Jul 5, 1984 - [AD 83-15-09](https://openairdocs.org/ad/83-15-09): Nose Wheel Steering System Modification · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 4 more. Effective Sep 8, 1983 - [AD 82-05-05 R1](https://openairdocs.org/ad/82-05-05-R1): Icing Conditions · M7 Aerospace SA227-AC (C-26A), SA227-AT and SA227-TT. Effective May 3, 1982 Historical (superseded or no longer in force): - [AD 2001-20-14](https://openairdocs.org/ad/2001-20-14) (historical): Brake Shuttle Valves · M7 Aerospace LP SA226-AT, SA226-T, SA226-TC and 4 more. Effective Nov 21, 2001 - [AD 2000-03-17](https://openairdocs.org/ad/2000-03-17) (historical): Pitch Trim Actuator · M7 Aerospace LP SA226-AT, SA226-T, SA226-TC and 8 more. Effective Apr 10, 2000 - [AD 98-19-15 R1](https://openairdocs.org/ad/98-19-15-R1) (historical): Pitch Trim Actuator · M7 Aerospace LP SA226-AT, SA226-T, SA226-TC and 7 more. Effective Mar 3, 2000 - [AD 99-06-02](https://openairdocs.org/ad/99-06-02) (historical): Wing Spar Center Web · M7 Aerospace LP SA226-AT, SA226-T, SA226-TC and 7 more. Effective Apr 16, 1999 - [AD 98-19-15](https://openairdocs.org/ad/98-19-15) (historical): Pitch Trim Actuator · M7 Aerospace LP SA226-AT, SA226-T, SA226-TC and 7 more. Effective Sep 25, 1998 - [AD 97-23-01](https://openairdocs.org/ad/97-23-01) (historical): Pitch Trim Actuator · M7 Aerospace LP SA226-AT, SA226-T, SA226-TC and 8 more. Effective Dec 1, 1997 - [AD 97-02-02](https://openairdocs.org/ad/97-02-02) (historical): Control Column Pitch Bearing Attaching Nuts · M7 Aerospace SA226-AT, SA226-T, SA226-TC and 9 more. Effective Feb 6, 1997 - [AD 93-15-02 R2](https://openairdocs.org/ad/93-15-02-R2) (historical): Pitch Trim Actuator · M7 Aerospace LP SA226-AT, SA226-T, SA226-TC and 8 more. Effective Jul 25, 1996 - [AD 94-07-10](https://openairdocs.org/ad/94-07-10) (historical): Upper Wing Skin Inspection · M7 Aerospace LP SA226-AT, SA226-T, SA226-TC and 7 more. Effective May 27, 1994 - [AD 92-01-02](https://openairdocs.org/ad/92-01-02) (historical): Parking Brake System · M7 Aerospace LP SA226-AT, SA226-T, SA226-TC and 4 more. Effective Jan 16, 1992 - [AD 86-25-04](https://openairdocs.org/ad/86-25-04) (historical): POH/AFM Appendix - Icing · M7 Aerospace LP SA227-AC (C-26A), SA227-AT, SA227-BC (C-26A) and 4 more. Effective Dec 15, 1986 ## Information bulletins (advisory) (15) - [SAIB 2026-15](https://openairdocs.org/saib/2026-15): Forward Pressure Bulkhead. Issued Sep 9, 2026 - [SAIB 2026-14](https://openairdocs.org/saib/2026-14): Rudder Control System, Brake. Issued Aug 25, 2026 - [SAIB CE-20-09](https://openairdocs.org/saib/CE-20-09): Nacelle/Pylon, Frame/Spar/Rib. Issued May 13, 2020 - [SAIB CE-18-11](https://openairdocs.org/saib/CE-18-11): Flight Controls, Elevator Control System. Issued Feb 9, 2018 - [SAIB CE-17-04](https://openairdocs.org/saib/CE-17-04): Landing Gear, Main Landing Gear. Issued Dec 16, 2016 - [SAIB CE-16-06](https://openairdocs.org/saib/CE-16-06): Flight Controls, Rudder Control System. Issued Nov 20, 2015 - [SAIB CE-16-04](https://openairdocs.org/saib/CE-16-04): Engine Controls, Power Lever. Issued Nov 2, 2015 - [SAIB CE-15-09](https://openairdocs.org/saib/CE-15-09): Windows; Flight Compartment Windows. Issued Feb 24, 2015 - [SAIB CE-15-05R1](https://openairdocs.org/saib/CE-15-05R1): Flight Controls, Aileron Control System. Issued Nov 26, 2014 - [SAIB CE-15-05](https://openairdocs.org/saib/CE-15-05) (historical): Flight Controls, Aileron Control System. Issued Nov 25, 2014 - [SAIB CE-13-42](https://openairdocs.org/saib/CE-13-42): Wings, Ailerons. Issued Aug 1, 2013 - [SAIB CE-13-41](https://openairdocs.org/saib/CE-13-41): Landing Gear, Landing Gear Actuator. Issued Jul 23, 2013 - [SAIB CE-13-10](https://openairdocs.org/saib/CE-13-10): Windshield/Door Rain/Ice Removal. Issued Dec 21, 2012 - [SAIB CE-12-08](https://openairdocs.org/saib/CE-12-08): Flight Controls, Elevator Control System. Issued Nov 8, 2011 - [SAIB CE-11-26](https://openairdocs.org/saib/CE-11-26): Wings: Wing Skin. Issued Mar 30, 2011 ## Registered aircraft None registered with this model now. ## NTSB investigations None matched to aircraft with this model. ## FAA accident and incident reports None matched to aircraft with this model. ## Service difficulty reports (11) As reported by operators and repair stations, by the model named in the report. - [SDR 2013FA0000704](https://openairdocs.org/sdr/2013FA0000704), Nov 17, 2013: STATIC INVERTER. DAMAGED. DURING APPROACH, A PASSENGER NOTICED SPARKS COMING FROM THE AREA OF THE AFT MOUNTED CABIN AC INVERTER. ACCORDING TO PASSENGERS AND CREW, THERE WAS NOTHING PLUGG - [SDR 99ZZZX3386](https://openairdocs.org/sdr/99ZZZX3386), Aug 17, 1999: NUT. CRACKED. REAR TURBINE NUT PN 865082-1 WAS REMOVED AND FOUND TO HAVE GALLED THREADS AND CRACKS IN THE THREADS. THIS ENGINE HAS 596.0 HOURS SINCE OVERHAUL. TURBINE NUT APP - [SDR 99ZZZX1128](https://openairdocs.org/sdr/99ZZZX1128), Mar 2, 1999: ENGINE. SEIZED. A FUNCTIONAL CHECK FLIGHT WAS CONDUCTED WHICH CONSISTED OF 0.5 HOURS AND 1 CYCLE. THE NORMAL COOL DOWN PERIOD WAS ACCOMPLISHED, AFTER AN UNEVENTFUL FLIGHT AND S - [SDR 97ZZZX2372](https://openairdocs.org/sdr/97ZZZX2372), May 1, 1997: MASTER CYLINDER. LEAKING. DURING A ROUTINE AND B LETTER CHECK, FOUND BOTH PILOTS' LEFT AND RIGHT MASTER CYLINDERS LEAKING. BOTH CYLINDERS WERE REPLACED. - [SDR 97ZZZX2371](https://openairdocs.org/sdr/97ZZZX2371), May 1, 1997: FAIRING. CHAFED. BOTH LEFT AND RIGHT ENGINE EXHAUST PIPE FAIRINGS WERE FOUND CHAFED COMPLETELY THROUGH THE LOWER PORTION OF THE SEAL AND INNER FLANGE OF THE FAIRINGS. THIS WAS D - [SDR 97ZZZX2370](https://openairdocs.org/sdr/97ZZZX2370), May 1, 1997: FAIRING. CHAFED. BOTH LEFT AND RIGHT ENGINE EXHAUST PIPE FAIRINGS WERE FOUND CHAFED COMPLETELY THROUGH THE LOWER PORTION OF THE SEAL AND INNER FLANGE OF THE FAIRINGS. THIS WAS D - [SDR 97ZZZX2369](https://openairdocs.org/sdr/97ZZZX2369), May 1, 1997: SWITCH. MISWIRED. DURING THE PROCESS OF TROUBLESHOOTING A YAW DAMPENER PROBLEM, DISCOVERED THE POSITION OF THE SWITCH (RIGHT OR LEFT),INDICATING FROM WHICH BUS IT RECEIVED POWER, - [SDR 97ZZZX2364](https://openairdocs.org/sdr/97ZZZX2364), May 1, 1997: SKIN. CHAFED. DURING AN ENGINE EXHAUST PIPE FAIRING CHANGE, DISCOVERED A STEEL BRAIDED FUEL VENT LINE HAD CHAFED INTO THE TOP SKIN OF THE LEFT WING NEAR THE EXHAUST PIPE. THE - [SDR 97ZZZX533](https://openairdocs.org/sdr/97ZZZX533), Jan 10, 1997: BATTERY. LEAKING. DURING AN INSPECTION, THE ELT BATTERY WAS DUE FOR REPLACEMENT. FOUND BATTERY LEAKING WHEN REMOVED. NO DAMAGE WAS FOUND TO ELT UNIT. OPS CHECKS SATISFACTORY WITH - [SDR 96ZZZX3726](https://openairdocs.org/sdr/96ZZZX3726), Jun 21, 1996: BOLT. IMPROPER. SECOND OCCURRENCE ON THIS TYPE AIRCRAFT WITH HEAVY TRUSS. SIDE MOUNT ISOLATOR THROUGH-BOLT DOES NOT ENGAGE LOCKING DEVICE IN ENGINE MOUNT TRUSS. VENDOR (LORD) C - [SDR 96ZZZX3512](https://openairdocs.org/sdr/96ZZZX3512), Jun 14, 1996: BOLT. WRONG PART. DURING SCHEDULED INSPECTION, FOUND ENGINE SIDE MOUNT ISOLATOR THROUGH-BOLTS NOT PROPERLY ENGAGING LOCKING DEVICE IN TRUSS. VENDOR (LORD) SPECIFIES NAS627-H46 BO ## STCs that may be installed (OpenAirDocs) (94, first 50) Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display). Garmin International Inc - [STC SA01800SE](https://openairdocs.org/stc/SA01800SE): Fabrication and installation of new or replacement of existing instrument panel lights dimmer control. TCW Technologies, LLC - [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC - [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC - [STC SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc - [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc - [STC SA04046CH PAGE 1](https://openairdocs.org/stc/SA04046CH%20PAGE%201): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc - [STC SA8808SW](https://openairdocs.org/stc/SA8808SW): Installation of a TCAS 791 (TCAS I) system. Acron Aviation Inc - [STC SA04627CH](https://openairdocs.org/stc/SA04627CH): Installation of Luma Technologies LT-4048 Series LED Display Panel. Luma Technologies LLC - [STC SA04051CH](https://openairdocs.org/stc/SA04051CH): Certification of Automatic Dependent Surveillance - Broadcast (ADS-B) Out System with Rockwell Collins TDR-94/-94D Transponders. CMD Flight Solutions LLC - [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc - [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC - [STC SA09463AC](https://openairdocs.org/stc/SA09463AC): Installation of Concorde FASRG91STC sealed lead-acid batteries. Ontic Engineering and Manufacturing Inc - [STC SA4618SW](https://openairdocs.org/stc/SA4618SW): Installation of the Zee Systems R-12/R-134a Air Conditioning Systems. Ontic Engineering and Manufacturing Inc - [STC SA7374SW](https://openairdocs.org/stc/SA7374SW): Installation of a UNS-1A flight management system. Ontic Engineering and Manufacturing Inc - [STC ST01930LA](https://openairdocs.org/stc/ST01930LA): Installation of Sandel Avionics SN4500 Electronic Horizontal Situation Indicator (EHSI). Sandel Avionics LLC - [STC SA02075SE](https://openairdocs.org/stc/SA02075SE): Installation of a Mid-Continent MD835( ) Lithium Ion Battery. Mid-Continent Instrument Co. Inc - [STC SA04514NY](https://openairdocs.org/stc/SA04514NY): Single/Dual Transponder System ADS-B Upgrade. Scandinavian Avionics Design ApS - [STC SA2063CE-D](https://openairdocs.org/stc/SA2063CE-D): Installation of Bendix 3 tube or 5 tube EFS-10 electronic flight instrument system. Honeywell International Inc - [STC SA02677LA](https://openairdocs.org/stc/SA02677LA): Modification to upgrade the existing Mode S Transponder system by installing the ACSS NXT-700 Transponder with ADS-B Out and optionally install the ACSS NXG-900 GPS as the position source for ADS-B Out. Aviation Communication and Surveillance Systems (ACSS) LLC - [STC SA02678LA](https://openairdocs.org/stc/SA02678LA): Modification to upgrade the existing Mode S Transponder system by installing the ACSS NXT-600 Transponder with ADS-B Out and optionally install the ACSS NXG-900 GPS as the position source for ADS-B Out. Aviation Communication and Surveillance Systems (ACSS) LLC - [STC SA01714WI](https://openairdocs.org/stc/SA01714WI): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems. Garmin International Inc - [STC SA02890AT](https://openairdocs.org/stc/SA02890AT): Installation of a Honeywell Model CAS 67A Traffic Alert and Collision Avoidance System II (TCAS II) with Single Mode-S Transponder. Toledo Jet Center, LLC - [STC SA04165NY](https://openairdocs.org/stc/SA04165NY): Installation of Latitude Technologies Skynode S200 Satcom system must be performed. Latitude Technologies Corporation - [STC SA02153LA-D PAGE 1](https://openairdocs.org/stc/SA02153LA-D%20PAGE%201): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc - [STC SA02013CH](https://openairdocs.org/stc/SA02013CH): Installation of Avidyne Corporation Traffic Advisory System (TAS). Avidyne Corporation - [STC SA01933LA-D](https://openairdocs.org/stc/SA01933LA-D): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin International Inc - [STC SA03973NY](https://openairdocs.org/stc/SA03973NY): Replacement of existing TCAS 7.0 by TCAS 7.1. Scandinavian Avionics Design ApS - [STC ST00276WI](https://openairdocs.org/stc/ST00276WI): Installation of Kedeg Company 21BC11e Coaleser Assemly. Purolator Facet, Inc - [STC SA00343BO](https://openairdocs.org/stc/SA00343BO): Installation of a single configuration or a dual configuration Avidyne Corporation Integrated Flight Display, Model IFD540 loaded with Release 10.0 software (or later FAA approved release). Avidyne Corporation - [STC SA00352BO PAGE 1](https://openairdocs.org/stc/SA00352BO%20PAGE%201): Installation of an Avidyne Corporation Mode A/C/S Transponder with ADS-B Out capability, Model AXP340 loaded with Version 3.13 software (or later FAA approved version),. Avidyne Corporation - [STC SA1541GL](https://openairdocs.org/stc/SA1541GL): Install Egan Aviation air ambulance stretcher P/N 125 using installation kit P/N 801. Paul/ Lanna Egan LLC - [STC SA00780SE](https://openairdocs.org/stc/SA00780SE): Installation of the True Lock Safety Retention Axle Lock Nut System. True Lock LLC - [STC SA01969SE](https://openairdocs.org/stc/SA01969SE): Installation of a Mid-Continent MD302 Standby Attitude Module. Mid-Continent Instruments and Avionics - [STC SA961NW](https://openairdocs.org/stc/SA961NW): Installation of forward facing white lights (100 watt), clear plastic wing tip covers, and associated systems. Knots 2U Ltd - [STC SA01229SE PAGE 1](https://openairdocs.org/stc/SA01229SE%20PAGE%201): Installation of GNS 480 (CNX80) GPS WAAS Navigator with integrated VHF Navigation and Communication radios. Garmin International Inc - [STC SA02442AK PAGE 1](https://openairdocs.org/stc/SA02442AK%20PAGE%201): Approval of the L-3 Communications NGT 2000/2500 ADS-B system. ADS-B Technologies, LLC - [STC SA01933LA-D PAGE 1](https://openairdocs.org/stc/SA01933LA-D%20PAGE%201): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin International Inc - [STC SA04182AT](https://openairdocs.org/stc/SA04182AT): Installation of Pilot and Copilot Main Windshield. PPG Aerospace - [STC SA02121SE](https://openairdocs.org/stc/SA02121SE): Installation of Garmin GTS 825 (TAS) or GTS 855 (TCAS I) Traffic System. Garmin International Inc - [STC SA00269BO](https://openairdocs.org/stc/SA00269BO): Installation of Avidyne Corporation TWX 670 Tactical Weather Detection System P/N 850-00026-000-( ) consisting of Avidyne Processor P/N 700-00033-000-( ), Sensor Systems Inc. Antenna P/N S72-1715-1 with doubler plate P/N S72-171530-1, and Avidyne Mounting Tray P/N 700-00034-000. Avidyne Corporation - [STC SA02149AK](https://openairdocs.org/stc/SA02149AK): Installation of GX50/60 GPS Navigator, Capstone configured MX20 Multi-Function Display and UAT transceiver. Garmin International Inc - [STC SA01692SE](https://openairdocs.org/stc/SA01692SE): Installation of a Garmin GMX 200 Multi-Function Display. Garmin International Inc - [STC SA03148NY](https://openairdocs.org/stc/SA03148NY): The installation of the Latitude Technologies Corporation S100 Tracking System. Latitude Technologies Corporation - [STC SA00674WI-D](https://openairdocs.org/stc/SA00674WI-D): Modification of Collins VHF-22A/VHF-22B VHF COMM Receiver Transmitter with CTL-22 Control Pro Line II System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II system installation. Rockwell Collins Inc - [STC SA01487SE-D](https://openairdocs.org/stc/SA01487SE-D): Installation of a GDL 69 or GDL 69A XM Satellite Receiver. Garmin International Inc - [STC SA1470SO](https://openairdocs.org/stc/SA1470SO): Installation of Lear Siegler 400 AMP starter generator control unit P/N 51539-0065. Ontic Engineering and Manufacturing Inc - [STC SA00281BO](https://openairdocs.org/stc/SA00281BO): Installation of Avidyne Corporation MLX770 MultiLink Broadcast Transceiver P/N 700-00163-( ), Sensor Systems Inc. Antenna P/N S67-1575-109, or equivalent, and optional Avidyne Mounting Tray P/N 700-00165-000. Avidyne Corporation - [STC SA00243BO](https://openairdocs.org/stc/SA00243BO): Installation of Centurion Consulting, Inc. GPS Steering Assist Module (SAM) with roll steering (p/n 0025-5100), or without roll steering (p/n 0025-5200). Icarus Avionics, LLC - [STC SA00290BO](https://openairdocs.org/stc/SA00290BO): Installation of Avidyne Corporation Part Number 700-00167-XXX Multi-Function Display and Mounting Tray Assembly Part Number 700-00168-XXX. Avidyne Corporation All 94: https://openairdocs.org/model/fairchild-sa227-tt/stcs.md ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Swearingen SA227-TT](https://openairdocs.org/model/swearingen-sa227-tt): 11 registered aircraft, registry code 8780620 - [Fairchild Swearingen SA227-TT](https://openairdocs.org/model/fairchild-swearingen-sa227-tt): 0 registered aircraft, registry code 3370103 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.