# N4AV: 1949 Ryan NAVION A

- Status: Valid registration
- Airframe: [Ryan NAVION A](https://openairdocs.org/model/ryan-navion-a) (registry code 6150162, 5 seats)
- Engine: [Lycoming TI0-540 series](https://openairdocs.org/engine/lycoming-ti0-540-series) (registry code 41533)
- Data sheets: [TCDS A-782](https://openairdocs.org/tcds/A-782) (Sierra Hotel Aero Inc.), [TCDS E14EA](https://openairdocs.org/tcds/E14EA) (Lycoming Engines) (OpenAirDocs)
- Serial number: NAV-4-1844
- Year built: 1949
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, utility
- Airworthiness date: December 13, 1994
- Certificate issued: October 7, 2020
- Expires: October 31, 2027
- Mode S code: A4A803
- Registered owner: [Southwest Aircraft LLC](https://openairdocs.org/faa-owner/SOUTHWEST%20AIRCRAFT%20LLC)
- Location: [Fairacres, NM](https://openairdocs.org/faa-place/NM/Fairacres)
- Owner type: LLC
- Owner's area on the map: 32.3047° N, 106.8366° W: Placed by OpenAirDocs: center of Fairacres, NM, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4AV
- Page: https://openairdocs.org/aircraft/N4AV

From the FAA registry file of October 22, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Lycoming TI0-540 model are included.

## ADs that may apply (OpenAirDocs): 70 in force

### Matched by airframe (Ryan NAVION A)

- [AD 2022-03-15](https://openairdocs.org/ad/2022-03-15): Fuel Quantity Indicator · Garmin G3X Touch Electronic Flight Instrument System (STC SA01899WI or SA02658SE). Effective Mar 21, 2022
- [AD 2008-05-14](https://openairdocs.org/ad/2008-05-14): Fuel system · Sierra Hotel Aero Navion A (Army L-17B and L-17C), Navion B, Navion D and 5 more. Effective Apr 16, 2008
- [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 96-12-22](https://openairdocs.org/ad/96-12-22): Full Flow Engine Oil Adapter · Bellanca CH-300 Pacemaker, 120, 140 and 361 more. Effective Jul 31, 1996
- [AD 79-07-02](https://openairdocs.org/ad/79-07-02): Batteries · Aircraft Parts & Development A, A-2, A-3 and 149 more. Effective Apr 3, 1979
- [AD 75-05-02](https://openairdocs.org/ad/75-05-02): Engine Oil · Beryl D Shannon Aviation Specialties Engine Crankcase… (D'Shannon Products STC SA2653WE). Effective Feb 21, 1975
- [AD 68-20-06](https://openairdocs.org/ad/68-20-06): Rudder Horn Inspection · Sierra Hotel Aero Navion A (Army L-17B and L-17C), Navion B, Navion D and 5 more. Effective Oct 3, 1968
- [AD 62-03-03](https://openairdocs.org/ad/62-03-03): Landing Gear Selector Valve Fitting · Sierra Hotel Aero Navion A (Army L-17B and L-17C), Navion B, Navion D and 4 more. Effective Mar 6, 1962
- [AD 63-21-05](https://openairdocs.org/ad/63-21-05): Main and Nose Retraction Links · American Navion Society D-16, D-16A, 480 and 8 more
- [AD 59-06-04](https://openairdocs.org/ad/59-06-04): Hydraulic Actuating Cylinders · Sierra Hotel Aero Navion (Army L-17A), Navion A (Army L-17B and L-17C), Navion B and 1 more
- [AD 56-03-03](https://openairdocs.org/ad/56-03-03): Wing Rear Spar Fitting Inspection · Sierra Hotel Aero Navion (Army L-17A), Navion A (Army L-17B and L-17C) and Navion B
- [AD 55-01-01](https://openairdocs.org/ad/55-01-01): Fuselage Frame Cracks · Sierra Hotel Aero Navion (Army L-17A), Navion A (Army L-17B and L-17C) and Navion B
- [AD 54-18-01](https://openairdocs.org/ad/54-18-01): Wing-to-Fuselage Attachment · Sierra Hotel Aero Navion (Army L-17A), Navion A (Army L-17B and L-17C) and Navion B
- [AD 53-08-01](https://openairdocs.org/ad/53-08-01): Horizontal Stabilizer Fitting · Sierra Hotel Aero Navion (Army L-17A), Navion A (Army L-17B and L-17C) and Navion B
- [AD 52-26-01](https://openairdocs.org/ad/52-26-01): Stabilizer Spar Web · Sierra Hotel Aero Navion (Army L-17A), Navion A (Army L-17B and L-17C) and Navion B
- [AD 52-24-01](https://openairdocs.org/ad/52-24-01): Aileron Control Chain Guard · Sierra Hotel Aero Navion (Army L-17A), Navion A (Army L-17B and L-17C) and Navion B
- [AD 51-07-01](https://openairdocs.org/ad/51-07-01): Throttle Housing · Sierra Hotel Aero Navion (Army L-17A), Navion A (Army L-17B and L-17C) and Navion B
- [AD 50-10-02](https://openairdocs.org/ad/50-10-02): Air Intake Hose · Sierra Hotel Aero Navion (Army L-17A), Navion A (Army L-17B and L-17C) and Navion B
- [AD 49-28-01](https://openairdocs.org/ad/49-28-01): Unsatisfactory Spinner · Sierra Hotel Aero Navion (Army L-17A) and Navion A (Army L-17B and L-17C)
- [AD 49-12-02](https://openairdocs.org/ad/49-12-02): Fuel Pumps · Sierra Hotel Aero Navion (Army L-17A) and Navion A (Army L-17B and L-17C)
- [AD 49-11-01](https://openairdocs.org/ad/49-11-01): Carter Fuel Pump Rework · Sierra Hotel Aero Navion (Army L-17A) and Navion A (Army L-17B and L-17C)
- [AD 49-09-02](https://openairdocs.org/ad/49-09-02): Booster Pump Rework · Sierra Hotel Aero Navion (Army L-17A) and Navion A (Army L-17B and L-17C)
- [AD 49-05-03](https://openairdocs.org/ad/49-05-03): Continental Engines Bearing Inserts · Sierra Hotel Aero Navion (Army L-17A) and Navion A (Army L-17B and L-17C)

### Matched by engine (Lycoming TI0-540 series)

- [AD 2026-04-11](https://openairdocs.org/ad/2026-04-11): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 605 more. Effective Apr 8, 2026
- [AD 2023-09-09](https://openairdocs.org/ad/2023-09-09): Exhaust Turbine System (Recip) · Aerostar PA-60-600 (Aerostar 600), PA-60-601 (Aerostar 601), PA-60-601P (Aerostar 601P) and 292 more. Effective Jul 17, 2023
- [AD 2022-16-03](https://openairdocs.org/ad/2022-16-03): Engine (RECIPROCATING) · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-F and 236 more. Effective Aug 15, 2022
- [AD 2017-16-11](https://openairdocs.org/ad/2017-16-11): Reciprocating Engine Power Section · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-360-B1G6 and 93 more. Effective Aug 15, 2017
- [AD 2017-11-10](https://openairdocs.org/ad/2017-11-10): Engine Exhaust System · Lycoming Engines TIO-540-AJ1A. Effective Jun 28, 2017
- [AD 2015-19-07](https://openairdocs.org/ad/2015-19-07): Fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 187 more. Effective Nov 3, 2015
- [AD 2015-10-06](https://openairdocs.org/ad/2015-10-06): Engine exhaust pipes · Lycoming Engines TIO-540-AJ1A. Effective Jul 2, 2015
- [AD 2013-21-02](https://openairdocs.org/ad/2013-21-02): Turbochargers · Continental Motors LTSIO-360-RB, TSIO-360-MB, TSIO-360-RB and 2 more. Effective Nov 13, 2013
- [AD 2012-19-01](https://openairdocs.org/ad/2012-19-01): Crankshafts · Lycoming Engines AEIO-360-A1A, AEIO-360-A1B, AEIO-360-A1B6 and 321 more. Effective Oct 24, 2012
- [AD 71-13-01 R1](https://openairdocs.org/ad/71-13-01-R1): Rescinding an airworthiness directive · Lycoming Engines TIO-540-A1A, TIO-540-A1B, TIO-540-A1C and 13 more. Effective Mar 8, 2012
- [AD 2012-03-06](https://openairdocs.org/ad/2012-03-06): Fuel servo diaphragm · Continental Motors 6-260-A, 6-285-A, 6-285-B and 482 more. Effective Feb 24, 2012
- [AD 2011-13-03](https://openairdocs.org/ad/2011-13-03): Turbocharger Turbine · Lycoming Engines LTO-360-E1A6D, O-540-L3C5D, TIGO-541-E1A and 20 more. Effective Jul 13, 2011
- [AD 2010-07-08](https://openairdocs.org/ad/2010-07-08): Turbochargers · Kelly Aerospace Energy Systems HIO-360-E1AD, HIO-360-E1BD, HIO-360-F1AD and 137 more. Effective Apr 19, 2010
- [AD 2009-26-12](https://openairdocs.org/ad/2009-26-12): Cylinder assemblies · Engine Components Reciprocating Engine Cylinder Assemblies, AEIO-320-D1B, AEIO-320-D2B and 264 more. Effective Feb 4, 2010
- [AD 2009-02-03](https://openairdocs.org/ad/2009-02-03): Fuel injection servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 261 more. Effective Feb 9, 2009
- [AD 2008-08-17](https://openairdocs.org/ad/2008-08-17): Turbocharger turbine housing flange and the exhaust tube flange · Teledyne Continental Motors TSIOL-550-A 'Liquid-Cooled' engines (RAM Aircraft Limited Partnership STC SA7633SW or SA7633SW-D). Effective May 6, 2008
- [AD 2006-12-07](https://openairdocs.org/ad/2006-12-07): ECi cylinder assemblies · Aerostar AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 386 more. Effective Jul 11, 2006
- [AD 2006-10-21](https://openairdocs.org/ad/2006-10-21): ECi connecting rods · Engine Components Reciprocating Engine Connecting Rods, AEIO-360-B1B, AEIO-360-B1D and 171 more. Effective Jun 22, 2006
- [AD 2005-19-11](https://openairdocs.org/ad/2005-19-11): Crankshafts · Lycoming Engines AEIO-360-A1B6, AEIO-360-A1E6, AEIO-540-D4A5 and 59 more. Effective Oct 21, 2005
- [AD 2005-12-06](https://openairdocs.org/ad/2005-12-06): Riveted-impulse coupling assemblies and snap-ring coupling assemblies · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 154 more. Effective Jul 19, 2005
- [AD 2004-10-14](https://openairdocs.org/ad/2004-10-14): Crankshaft gear · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 642 more. Effective Jun 25, 2004
- [AD 2004-05-24](https://openairdocs.org/ad/2004-05-24): Zinc-plated Crankshaft Gear Retaining Bolts · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 161 more. Effective Mar 30, 2004
- [AD 2003-14-03](https://openairdocs.org/ad/2003-14-03): Rotary fuel pumps · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 262 more. Effective Aug 14, 2003
- [AD 2002-19-03](https://openairdocs.org/ad/2002-19-03): Crankshaft · Lycoming Engines IO-540-A1A5, IO-540-AA1A5, IO-540-AA1B5 and 81 more. Effective Sep 20, 2002
- [AD 2002-12-07](https://openairdocs.org/ad/2002-12-07): Oil Filter Converter Plate Gasket or the Converter Plate Kit · Lycoming Engines HIO-360-E1AD, HIO-360-E1BD, HIO-360-F1AD and 95 more. Effective Jul 3, 2002
- [AD 98-17-11](https://openairdocs.org/ad/98-17-11): Crankshafts · Continental Motors A-65-3, A-65-8, A75-8 and 90 more. Effective Oct 19, 1998
- [AD 97-15-11](https://openairdocs.org/ad/97-15-11): Cylinder kits · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 538 more. Effective Aug 12, 1997
- [AD 97-01-04](https://openairdocs.org/ad/97-01-04): Cylinder assemblies · Lycoming Engines IO-540-M1B5D, LTIO-540-F2BD, LTIO-540-J2B and 10 more. Effective Apr 22, 1997
- [AD 91-21-01 R1](https://openairdocs.org/ad/91-21-01-R1): Exhaust System Flanges · Lycoming Engines TIO-540-S1AD. Effective Jun 27, 1996
- [AD 95-26-02](https://openairdocs.org/ad/95-26-02): Aviation Gasoline · Lycoming Engines IO-320-B1A, IO-320-B1B, IO-320-B1C and 182 more. Effective Jan 24, 1996
- [AD 95-07-01](https://openairdocs.org/ad/95-07-01): Connecting Rod Bolt · Lycoming Engines AEIO-360-A1E, AEIO-360-B1G6, AEIO-360-H1A and 177 more. Effective Apr 12, 1995
- [AD 92-12-05](https://openairdocs.org/ad/92-12-05): Piston Pins · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 532 more. Effective Jul 10, 1992
- [AD 91-10-04](https://openairdocs.org/ad/91-10-04): Exhaust Transition Flange Bolts · Lycoming Engines TIO-540-AE2A. Effective May 21, 1991
- [AD 91-08-07](https://openairdocs.org/ad/91-08-07): Fuel Pump · Lycoming Engines TIO-360-A1A, TIO-360-A1B, TIO-360-A3B6 and 51 more. Effective May 6, 1991
- [AD 89-15-10](https://openairdocs.org/ad/89-15-10): Nozzle Vent Manifold · Lycoming Engines TIO-540-AE2A. Effective Nov 30, 1989
- [AD 87-10-06 R1](https://openairdocs.org/ad/87-10-06-R1): Rocker Arm Assembly · Lycoming Engines IO-360-B4, IVO-360-A1A, O-340-A1A and 243 more. Effective Sep 1, 1989
- [AD 84-19-03 R1](https://openairdocs.org/ad/84-19-03-R1): Cylinder Assemblies · Lycoming Engines LTIO-540-V2AD and TIO-540-V2AD. Effective Sep 20, 1984
- [AD 83-22-04](https://openairdocs.org/ad/83-22-04): Injector Fuel Diaphragm Stem · Lycoming Engines AEIO-540-L1B5D, IO-540-AA1A5, IO-540-G1B5 and 30 more. Effective Nov 4, 1983
- [AD 81-12-06 R1](https://openairdocs.org/ad/81-12-06-R1): Magnetos · Bendix Magnetos, LTIO-540-J2BD and TIO-540-J2BD. Effective Nov 12, 1981
- [AD 80-17-10](https://openairdocs.org/ad/80-17-10): Transition Wastegate Assembly · Lycoming Engines TIO-540-S1AD. Effective Aug 18, 1980
- [AD 79-04-05](https://openairdocs.org/ad/79-04-05): Regulator Diaphragm Stem Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 215 more. Effective Sep 26, 1979
- [AD 79-12-07](https://openairdocs.org/ad/79-12-07): Magnetos · Bendix Magnetos, TIO-540-F2BD, TIO-540-N2BD and 3 more. Effective Jun 19, 1979
- [AD 78-23-10](https://openairdocs.org/ad/78-23-10): Center Body Bellows Seal Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 218 more. Effective Nov 7, 1978
- [AD 73-23-01](https://openairdocs.org/ad/73-23-01): Piston Pin Assembly · Lycoming Engines AIO-360-A1A, AIO-360-A1B, AIO-360-A2A and 215 more. Effective Jan 13, 1977
- [AD 75-09-15](https://openairdocs.org/ad/75-09-15): Fuel Starvation To The Engine · Lycoming Engines AIO-320-A1A, AIO-320-A1B, AIO-320-A2A and 130 more. Effective Apr 30, 1975
- [AD 73-10-02](https://openairdocs.org/ad/73-10-02): Bendix Fuel Injectors · Bendix Fuel Injectors, AIO-320-A1A, AIO-320-A1B and 88 more. Effective May 16, 1973
- [AD 66-06-03](https://openairdocs.org/ad/66-06-03): Connecting Rod Assemblies · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 317 more. Effective Jan 16, 1969

### Historical (superseded or no longer in force)

- [AD 2024-21-02](https://openairdocs.org/ad/2024-21-02) (historical): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 548 more. Effective Dec 5, 2024
- [AD 2012-24-09](https://openairdocs.org/ad/2012-24-09) (historical): Turbocharger turbine wheel · Continental Motors TSIO-360-MB, TSIO-360-RB, TSIO-360-SB and 1 more. Effective Dec 20, 2012
- [AD 2011-26-04](https://openairdocs.org/ad/2011-26-04) (historical): Externally mounted fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 186 more. Effective Jan 25, 2012
- [AD 2011-15-10](https://openairdocs.org/ad/2011-15-10) (historical): Fuel servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 256 more. Effective Aug 16, 2011
- [AD 2008-19-05](https://openairdocs.org/ad/2008-19-05) (historical): Parallel Valve'' reciprocating engines · Engine Components Reciprocating Engine Cylinder Assemblies, AEIO-320-D1B, AEIO-320-D2B and 262 more. Effective Oct 20, 2008
- [AD 2008-14-07](https://openairdocs.org/ad/2008-14-07) (historical): Externally mounted fuel injector fuel lines · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 185 more. Effective Aug 14, 2008
- [AD 2008-08-14](https://openairdocs.org/ad/2008-08-14) (historical): Fuel injection servo plugs · Superior Air Parts AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 242 more. Effective Apr 29, 2008
- [AD 2008-06-51](https://openairdocs.org/ad/2008-06-51) (historical): Fuel injection servo plugs · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 235 more
- [AD 2006-20-09](https://openairdocs.org/ad/2006-20-09) (historical): Certain crankshafts replacing · Lycoming Engines AEIO-360-A1B6, AEIO-360-A1E6, AEIO-540-D4A5 and 82 more. Effective Nov 3, 2006
- [AD 2005-26-10](https://openairdocs.org/ad/2005-26-10) (historical): ECi cylinder assemblies. · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 413 more. Effective Jan 31, 2006
- [AD 2002-26-01](https://openairdocs.org/ad/2002-26-01) (historical): Fuel injector fuel lines · Textron Lycoming, AVCO IGO-480-A1B6, IGO-540-B1A, IGO-540-B1C and 178 more. Effective Jan 31, 2003
- [AD 2002-23-06](https://openairdocs.org/ad/2002-23-06) (historical): Crankshaft gear retaining bolts · Textron Lycoming, AVCO AEIO-540, AEIO-540-D4A5, AEIO-540-D4B5 and 46 more. Effective Nov 19, 2002
- [AD 2002-20-51](https://openairdocs.org/ad/2002-20-51) (historical): Crankshaft gear retaining bolts · Textron Lycoming, AVCO AEIO-540, IO-540 Series (all), LTIO-540-F2BD and 39 more
- [AD 2002-17-53](https://openairdocs.org/ad/2002-17-53) (historical): Crankshaft · Lycoming Engines LTIO-540-F2BD, LTIO-540-J2B, LTIO-540-J2BD and 36 more
- [AD 2002-04-51](https://openairdocs.org/ad/2002-04-51) (historical): Crankshaft · Lycoming Engines LTIO-540-F2BD, LTIO-540-J2B, LTIO-540-J2BD and 8 more
- [AD 98-18-12](https://openairdocs.org/ad/98-18-12) (historical): Fuel Pump · Textron Lycoming, AVCO AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 249 more. Effective Sep 28, 1998
- [AD 93-05-22](https://openairdocs.org/ad/93-05-22) (historical): Fuel Injector Fuel Lines · Lycoming Engines TIO-540-S1AD. Effective May 11, 1993
- [AD 92-12-10](https://openairdocs.org/ad/92-12-10) (historical): Lycoming Engines TIO-540-S1AD. Effective Jun 5, 1992
- [AD 71-13-01](https://openairdocs.org/ad/71-13-01) (historical): Fuel Injector Manifold To Nozzle Tube Assemblies · Lycoming Engines TIO-540-A1A, TIO-540-A1B, TIO-540-A1C and 3 more. Effective Jun 22, 1971

## Information bulletins (advisory) (13 in force)

- [SAIB AIR-22-13](https://openairdocs.org/saib/AIR-22-13): Landing Gear Components. Issued May 27, 2022
- [SAIB SW-18-31](https://openairdocs.org/saib/SW-18-31): NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM. Issued Nov 21, 2018
- [SAIB CE-06-11R1](https://openairdocs.org/saib/CE-06-11R1): Fuel system selector valves. Issued Mar 14, 2007
- [SAIB CE-05-46](https://openairdocs.org/saib/CE-05-46): . Issued Apr 1, 2005
- [SAIB NE-19-08](https://openairdocs.org/saib/NE-19-08): Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders. Issued May 2, 2019
- [SAIB NE-08-32R1](https://openairdocs.org/saib/NE-08-32R1): Propeller Governor  Idler Gear Shaft Set Screw. Issued May 13, 2016
- [SAIB NE-14-13](https://openairdocs.org/saib/NE-14-13): Reciprocating Engine - Cylinder Mounting Studs. Issued Mar 24, 2014
- [SAIB NE-08-26R3](https://openairdocs.org/saib/NE-08-26R3): Magneto/Distributor. Issued Mar 31, 2011
- [SAIB NE-09-04](https://openairdocs.org/saib/NE-09-04): Fuel Control/Reciprocating Engines. Issued Jan 10, 2009
- [SAIB NE-06-32R1](https://openairdocs.org/saib/NE-06-32R1): Reciprocating Engine - Crankshaft. Issued Sep 10, 2008
- [SAIB NE-03-18](https://openairdocs.org/saib/NE-03-18): . Issued Jan 22, 2003
- [SAIB NE-03-12](https://openairdocs.org/saib/NE-03-12): . Issued Dec 30, 2002
- [SAIB NE-01-37](https://openairdocs.org/saib/NE-01-37): . Issued Aug 16, 2001
- [SAIB NE-08-26R1](https://openairdocs.org/saib/NE-08-26R1) (historical): Dual Magnetos. Issued Jul 8, 2008
- [SAIB NE-08-32](https://openairdocs.org/saib/NE-08-32) (historical): Propeller Governor Set Screw. Issued Jul 3, 2008

## NTSB investigations

None matched to N4AV.

## FAA accident and incident reports

None matched to N4AV.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs) (275, first 50)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Ryan NAVION A)

- [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 SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA02636SE](https://openairdocs.org/stc/SA02636SE): Installation of Garmin GPS 175 Navigation System and GNX 375 Navigation System with ADS-B In/Out Transponder. Garmin International Inc
- [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 SA00079NY](https://openairdocs.org/stc/SA00079NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K008 on single and multi engine fixed wing light aircraft incorporating Teledyne Continental reciprocating engines of 450 horsepower or less. Airwolf Filter Corporation
- [STC SA02511SE](https://openairdocs.org/stc/SA02511SE): Installation of replacement fuel quantity indicator sending unit(s). CiES Inc
- [STC SA543SW](https://openairdocs.org/stc/SA543SW): Installation of Alcor turbocharger on aircraft modified to Continental IO-470-H engines. Alcor LLC
- [STC SA5581SW](https://openairdocs.org/stc/SA5581SW): Installation of ALCOR true-flow/ totalizer system. Alcor LLC
- [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc
- [STC SA04046CH PAGE 2](https://openairdocs.org/stc/SA04046CH%20PAGE%202): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc
- [STC SA02594SE](https://openairdocs.org/stc/SA02594SE): SkyView HDX Instrumentation and Autopilot System manufactured. Dynon Avionics
- [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC
- [STC SA04568CH](https://openairdocs.org/stc/SA04568CH): Installation of the uAvionix tailBeaconX, a tail mounted position light with integrated Automatic Dependent Surveillance - Broadcast (ADS-B) Out and 1090MHz Mode-S transponder functionality. uAvionix Corporation
- [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 SA01899WI](https://openairdocs.org/stc/SA01899WI): Installation of Garmin G3X Touch Electronic Flight Instrument System. Garmin International Inc
- [STC SA02019WI](https://openairdocs.org/stc/SA02019WI): Installation of the Trig Avionics TX56, TX56A, TX57, or TX57A VHF Nav-Com Radio. Peregrine
- [STC SA04192NY](https://openairdocs.org/stc/SA04192NY): KFD 900 Primary Flight Display System Additional Functions. Honeywell International Inc
- [STC SA00756DE](https://openairdocs.org/stc/SA00756DE): Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out Equipment using a Trig Avionics TT22 Transponder and an approved Global Positioning System (GPS) Position Sensor. Peregrine
- [STC SA46GL](https://openairdocs.org/stc/SA46GL): Install Cleveland Aircraft Products wheel and brake conversion kit, P/N 199-52A. Kaman Corporation Aircraft Wheel and Brake LLC
- [STC SA36GL](https://openairdocs.org/stc/SA36GL): Install Cleveland Aircraft Products wheel and brake conversion kit, P/N 199-52. Kaman Corporation Aircraft Wheel and Brake LLC
- [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc
- [STC SA4882NM](https://openairdocs.org/stc/SA4882NM): Installation of Moonshadow full view canopy. Russell Herrington
- [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 SA7088NM](https://openairdocs.org/stc/SA7088NM): Installation of a Teledyne Continental Motors IO-550B engine; McCauley D3A32C409C/82NDB-2 propeller; tubular engine mount; cowling; baffles; air induction system; and cowl flap mechanism. Navion Customs LLC
- [STC SA01818WI](https://openairdocs.org/stc/SA01818WI): Installation of Garmin G5 Electronic Flight Instrument. Garmin International Inc
- [STC SA09902AC](https://openairdocs.org/stc/SA09902AC): Installation of BendixKing KFD 900 Flight Display System. Honeywell International Inc. (Bendix King)
- [STC SA11174SC PAGE 2](https://openairdocs.org/stc/SA11174SC%20PAGE%202): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King)
- [STC SA02265SE](https://openairdocs.org/stc/SA02265SE): Installation of a camera housing. Airborne Sensor LLC
- [STC SA10822SC](https://openairdocs.org/stc/SA10822SC): Installation of EFD1000 Primary Flight Display. Aspen Avionics Inc
- [STC SA00401BO](https://openairdocs.org/stc/SA00401BO): Installation of a SkyTrax100B UAT receiver. Avidyne Corporation
- [STC SA2372CE](https://openairdocs.org/stc/SA2372CE): Installation of Teledyne Continental IO-520-K engine and McCauley D3A34C401/90DFA-12 propeller. Kevin Lewis Martinez
- [STC SA00410BO](https://openairdocs.org/stc/SA00410BO): Installation of an AV-30-C Multi-Mode Indicator. uAvionix Corporation
- [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation Inc
- [STC SA10236SC](https://openairdocs.org/stc/SA10236SC): Installation of a GDC 31 Roll Steering Converter. DAC International Inc
- [STC SA01560WI-D](https://openairdocs.org/stc/SA01560WI-D): Installation of the Honeywell KFD 840 Primary Flight Display System. Honeywell International Inc
- [STC SA4-1007](https://openairdocs.org/stc/SA4-1007): Installation of balance weights(Brittain Aircraft P/N 3010) on leading edge of Navion ailerons. General Aviation Modifications Inc
- [STC SA4-915](https://openairdocs.org/stc/SA4-915): Installation of Brittain Mark II20-gallon wing tip tanks(P/N 2009). General Aviation Modifications Inc. Lists Navion Series
- [STC SA758WE](https://openairdocs.org/stc/SA758WE): Installation of modified Navion main landing gear wheel and axle. Eligible only on the Navion aircraft models which have Goodrich (Hayes expander tube brakes) wheels Models 6057MD or G-14-720-NO-1. General Aviation Modifications Inc
- [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 SA00950NY](https://openairdocs.org/stc/SA00950NY): Modification of forward cockpit seats and provisions for installation of upper torso restraint system. Timothy Mulhall
- [STC SA00744DE](https://openairdocs.org/stc/SA00744DE): Installation of the Automatic Dependent Surveillance Broadcast (ADS-B) Out Equipment using a Trig Avionics TT31 Transponder and an approved position sensor. Peregrine
- [STC SA00765DE](https://openairdocs.org/stc/SA00765DE): Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensor. Peregrine
- [STC SA02153LA-D PAGE 2](https://openairdocs.org/stc/SA02153LA-D%20PAGE%202): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc
- [STC SA02503AK](https://openairdocs.org/stc/SA02503AK): Installation of AMSAFE State of the Art Restraint System (SOARS) inflatable restraints. AMSAFE Inc
- [STC SA36CE](https://openairdocs.org/stc/SA36CE): Zip tip wing tips. James A Carter. Lists Navion Series
- [STC SA01835WI](https://openairdocs.org/stc/SA01835WI): Installation of Trig Avionics TY-96 or TY-97 VHF Communications Radio. Peregrine
- [STC SA3935WE](https://openairdocs.org/stc/SA3935WE): Installation of an air/oil separator. Airwolf Filter Corporation
- [STC SA3936WE](https://openairdocs.org/stc/SA3936WE): Installation of an air/oil separator. Airwolf Filter Corporation
- [STC SA01933LA-D](https://openairdocs.org/stc/SA01933LA-D): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin International Inc

All 275: https://openairdocs.org/aircraft/N4AV/stcs.md

## Related

- Other Ryan NAVION A aircraft: https://openairdocs.org/model/ryan-navion-a/aircraft.md
- The Lycoming TI0-540 series engine: https://openairdocs.org/engine/lycoming-ti0-540-series.md

---
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.