# N1CS: 1946 North American NAVION A - Status: Valid registration - Airframe: [North American NAVION A](https://openairdocs.org/model/north-american-navion-a) (registry code 6150132, 5 seats) - Engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032) - Data sheets: [TCDS A-782](https://openairdocs.org/tcds/A-782) (Sierra Hotel Aero Inc.), [TCDS E5CE](https://openairdocs.org/tcds/E5CE) (Continental Aerospace Technologies, Inc.) (OpenAirDocs) - Serial number: NAV-4-106 - Year built: 1946 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Standard - Airworthiness date: June 22, 1978 - Certificate issued: July 1, 2016 - Expires: July 31, 2029 - Mode S code: A00045 - Registered owner: [Moseley Ailsa](https://openairdocs.org/faa-owner/MOSELEY%20AILSA) - Location: [Wellington, FL](https://openairdocs.org/faa-place/FL/Wellington) - Owner type: Individual - Owner's area on the map: 26.6467° N, 80.2503° W: Placed by OpenAirDocs at the center of ZIP code 33414, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1CS - Page: https://openairdocs.org/aircraft/N1CS From the FAA registry file of October 20, 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 Continental IO-520 model are included. ## ADs that may apply (OpenAirDocs): 59 in force ### Matched by airframe (North American 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). 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 (Continental IO-520 series) - [AD 2023-17-04](https://openairdocs.org/ad/2023-17-04): Reciprocating Engine Oil System · F & M Enterprises' Model C6LC, C6LC-S or C6LC-L oil filter… (Stratus Tool Technologies STC SE09356SC or 2 others). Effective Oct 26, 2023 - [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 2023-05-16](https://openairdocs.org/ad/2023-05-16): Reciprocating Engine Power Section · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-H and 147 more. Effective Mar 15, 2023 - [AD 2023-02-12](https://openairdocs.org/ad/2023-02-12): Engine Air Intake System · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 127 more. Effective Feb 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 2016-16-12](https://openairdocs.org/ad/2016-16-12): Cylinder assemblies · Continental Motors LTSIO-520-AE, TSIO-520-A, TSIO-520-AE and 89 more. Effective Sep 15, 2016 - [AD 2014-05-29](https://openairdocs.org/ad/2014-05-29): SAP replacement parts manufacturer approval (PMA) investment cast cylinder assemblies · Continental Motors TSIO-520-A, TSIO-520-AE, TSIO-520-AF and 55 more. Effective Apr 25, 2014 - [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 2010-11-04](https://openairdocs.org/ad/2010-11-04): Hydraulic lifters · Continental Motors FSO-470-A, GIO-470-A, GTSIO-520-C and 190 more. Effective Jun 16, 2010 - [AD 2009-19-07](https://openairdocs.org/ad/2009-19-07): EQ3 cylinders · Continental Motors IO-470-C, IO-470-D, IO-470-E and 72 more. Effective Oct 7, 2009 - [AD 2007-04-19 R1](https://openairdocs.org/ad/2007-04-19-R1): SAP cylinder assemblies · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 314 more. Effective May 7, 2007 - [AD 2004-08-10](https://openairdocs.org/ad/2004-08-10): Serial-numbered (SN) cylinders · Modify Teledyne Continental TSIO-520-NB engine (RAM Aircraft Limited Partnership STC SE09104SC or 4 others). Effective May 5, 2004 - [AD 2000-23-21](https://openairdocs.org/ad/2000-23-21): Crankshaft · Continental Motors IO-360-A, IO-360-AB, IO-360-B and 164 more. Effective Dec 12, 2000 - [AD 99-19-01](https://openairdocs.org/ad/99-19-01): No. 2 and No. 5 Crankshaft Inspections · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 127 more. Effective Sep 30, 1999 - [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 97-26-17](https://openairdocs.org/ad/97-26-17): Crankshaft · Continental Motors IO-360-A, IO-360-AB, IO-360-B and 90 more. Effective Jan 23, 1998 - [AD 95-21-15](https://openairdocs.org/ad/95-21-15): Aviation Gasoline · Continental Motors A-65-8, C85-12F, C85-12FJ and 77 more. Effective Nov 28, 1995 - [AD 95-03-14](https://openairdocs.org/ad/95-03-14): Engine Mount Brackets · Continental Motors IO-346-A, IO-346-B, IO-520-C and 2 more. Effective Mar 13, 1995 - [AD 93-16-15](https://openairdocs.org/ad/93-16-15): Fuel Pump Drive Shaft · Continental Motors IO-520-B, IO-520-BA, IO-520-BB and 27 more. Effective Dec 14, 1993 - [AD 93-08-17](https://openairdocs.org/ad/93-08-17): Oil Pick-Up Tube · Continental Motors IO-470-A, IO-470-C, IO-470-D and 104 more. Effective Aug 23, 1993 - [AD 93-10-02](https://openairdocs.org/ad/93-10-02): Missing Cylinder Valve Retainer Key · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 180 more. Effective Aug 12, 1993 - [AD 91-19-03](https://openairdocs.org/ad/91-19-03): Oil Filter · Continental Motors 6-285-A, 6-285-B, 6-285-BA and 169 more. Effective Sep 29, 1991 - [AD 88-17-03](https://openairdocs.org/ad/88-17-03): Starter Adapter Shaftgear Assembly · Continental Motors IO-520-BA, IO-520-BB, IO-550-B and 4 more. Effective Aug 10, 1988 - [AD 88-03-06](https://openairdocs.org/ad/88-03-06): Oil Filter · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 155 more. Effective Apr 15, 1988 - [AD 86-13-04 R3](https://openairdocs.org/ad/86-13-04-R3): Cylinder Assemblies · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-H and 44 more. Effective Feb 24, 1988 - [AD 87-14-02](https://openairdocs.org/ad/87-14-02): Starter Adapter Shaftgear · Continental Motors IO-520-BA, IO-520-BB, IO-550-B and 4 more. Effective Oct 5, 1987 - [AD 81-24-06](https://openairdocs.org/ad/81-24-06): Engine Driven Fuel Pumps · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-E and 51 more. Effective Nov 23, 1981 - [AD 81-16-05](https://openairdocs.org/ad/81-16-05): Magnetos · Lycoming Engines AEIO-320-E1B, AEIO-320-E2B, AEIO-360-B1G6 and 234 more. Effective Aug 6, 1981 - [AD 80-06-05](https://openairdocs.org/ad/80-06-05): Magnetos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 254 more. Effective Mar 28, 1980 - [AD 80-01-04](https://openairdocs.org/ad/80-01-04): Cylinder Holddown Flange Assemblies · Continental Motors IO-520-A, IO-520-B, IO-520-BA and 44 more. Effective Jan 25, 1980 - [AD 79-05-09](https://openairdocs.org/ad/79-05-09): Oil Pump Assembly Or Oil Pressure Relief Valve Screw And/Or Plunger · Teledyne Continental Motors 6-285-CA, GTSIO-520-C, GTSIO-520-D and 60 more. Effective Mar 12, 1979 - [AD 77-05-04](https://openairdocs.org/ad/77-05-04): Crankshaft · Continental Motors IO-470-L, IO-520-D, IO-520-F and 6 more. Effective Mar 11, 1977 - [AD 70-14-07](https://openairdocs.org/ad/70-14-07): Fuel Injection Pump · Continental Motors IO-360-A, IO-360-C, IO-360-D and 25 more. Effective Nov 22, 1974 - [AD 72-24-03](https://openairdocs.org/ad/72-24-03): Oil Filter Adapter · Continental Motors IO-360-A, IO-520-B, IO-520-C and 3 more. Effective Nov 15, 1972 - [AD 98-01-08](https://openairdocs.org/ad/98-01-08): Exhaust Roller Rocker Arm · Roller rocker arm P/N PE 92I intake and PE92E exhaust (Performance Engineering STC SE8594SW) - [AD 77-13-22](https://openairdocs.org/ad/77-13-22): Crankcase Cracks · Continental Motors GTSIO-520-C, GTSIO-520-D, GTSIO-520-F and 22 more ### Historical (superseded or no longer in force) - [AD 2023-04-08](https://openairdocs.org/ad/2023-04-08) (historical): Reciprocating Engine Power Section · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-H and 141 more. Effective Feb 23, 2023 - [AD 2022-04-04](https://openairdocs.org/ad/2022-04-04) (historical): Reciprocating Engine Oil System · F & M Enterprises' Model C6LC, C6LC-S or C6LC-L oil filter… (Stratus Tool Technologies STC SE09356SC or 2 others). Effective Mar 29, 2022 - [AD 2009-24-52](https://openairdocs.org/ad/2009-24-52) (historical): Hydraulic lifters · Continental Motors FSO-470-A, GIO-470-A, GTSIO-520-C and 192 more - [AD 2009-24-51](https://openairdocs.org/ad/2009-24-51) (historical): Hydraulic lifters · Teledyne Continental Motors FSO-470-A, GIO-470-A, GTSIO-520-C and 156 more - [AD 2009-16-03](https://openairdocs.org/ad/2009-16-03) (historical): Cylinder assemblies · Continental Motors IO-520-A, IO-520-B, IO-520-BA and 55 more. Effective Sep 9, 2009 - [AD 2000-08-51](https://openairdocs.org/ad/2000-08-51) (historical): Crankshaft · Teledyne Continental Motors IO-360-A, IO-360-AB, IO-360-B and 158 more - [AD 94-09-07](https://openairdocs.org/ad/94-09-07) (historical): Engine Mount Brackets · Teledyne Continental Motors IO-346-A, IO-346-B, IO-520-C and 2 more. Effective Jul 5, 1994 - [AD 94-14-12](https://openairdocs.org/ad/94-14-12) (historical): Octane Aviation Gasoline · Teledyne Continental Motors A-65-8, C85-12, E185-11 and 68 more - [AD 87-23-08](https://openairdocs.org/ad/87-23-08) (historical): Crankshafts · Teledyne Continental Motors IO-520 Series (all) and TSIO-520 Series (all). Effective Nov 30, 1987 - [AD 99-09-17](https://openairdocs.org/ad/99-09-17) (historical): Crankshaft · Teledyne Continental Motors IO-470-A, IO-470-C, IO-470-D and 114 more ## Information bulletins (advisory) (15 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-20-05](https://openairdocs.org/saib/NE-20-05): POWERPLANT - Engine Camshaft Gear Tooth Fracture. Issued Apr 6, 2020 - [SAIB NE-18-16](https://openairdocs.org/saib/NE-18-16): POWERPLANT Alternator Drive Coupling. Issued Jun 20, 2018 - [SAIB NE-17-11](https://openairdocs.org/saib/NE-17-11): POWERPLANT Engine damage as a result of kickback. Issued May 10, 2017 - [SAIB NE-16-13](https://openairdocs.org/saib/NE-16-13): Powerplant - Prohibited use of sealant. Issued Mar 8, 2016 - [SAIB NE-13-15](https://openairdocs.org/saib/NE-13-15): Engine Controls: Continental Motors, Inc. (CMI) Throttle and Mixture Control Levers. Issued Feb 8, 2013 - [SAIB NE-13-04](https://openairdocs.org/saib/NE-13-04): Continental Motors, Inc. (CMI) Connecting Rod Piston Pin Bushing Inspection. Issued Oct 31, 2012 - [SAIB NE-10-09](https://openairdocs.org/saib/NE-10-09): Reciprocating Engine Power Section: Hydraulic Valve Lifters. Issued Nov 20, 2009 - [SAIB NE-10-07](https://openairdocs.org/saib/NE-10-07): Reciprocating Engine Cylinder: Identification Information for Superior Air Parts, PMA Cylinder Heads for Teledyne Continental Motors (TCM) IO-520, TSIO-520,and IO-550 Series Engines.. Issued Nov 2, 2009 - [SAIB NE-09-08](https://openairdocs.org/saib/NE-09-08): Reciprocating Engine Cylinder Section. Issued Jan 30, 2009 - [SAIB NE-07-09R1](https://openairdocs.org/saib/NE-07-09R1): Periodic Inspections of ECi Cylinder Assemblies for Cracks in the Aluminum Head. Issued Mar 21, 2007 - [SAIB NE-02-41](https://openairdocs.org/saib/NE-02-41): . Issued Aug 8, 2002 ## NTSB investigations None matched to N1CS. ## FAA accident and incident reports None matched to N1CS. ## Service difficulty reports None filed for this aircraft. ## Related - Other North American NAVION A aircraft: https://openairdocs.org/model/north-american-navion-a/aircraft.md - STCs for the North American NAVION A: https://openairdocs.org/model/north-american-navion-a/stcs.md - The Continental IO-520 series engine: https://openairdocs.org/engine/continental-io-520-series.md --- From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.