# N1663R: 1974 Cessna A185F - Status: Valid registration - Airframe: [Cessna A185F](https://openairdocs.org/model/cessna-a185f) (registry code 2072821, 6 seats) - Engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032) - Data sheets: [TCDS 3A24](https://openairdocs.org/tcds/3A24) (Textron Aviation Inc.), [TCDS E5CE](https://openairdocs.org/tcds/E5CE) (Continental Aerospace Technologies, Inc.) (OpenAirDocs) - Serial number: 18502386 - Year built: 1974 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Standard, normal - Airworthiness date: March 21, 1974 - Certificate issued: January 8, 2010 - Expires: April 30, 2029 - Mode S code: A10AC9 - Registered owner: [Smith Dan V](https://openairdocs.org/faa-owner/SMITH%20DAN%20V) - Location: [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage) - Owner type: Individual - Owner's area on the map: 61.1637° N, 149.9966° W: Placed by OpenAirDocs at the center of ZIP code 99502, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1663R - Page: https://openairdocs.org/aircraft/N1663R 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): 61 in force ### Matched by airframe (Cessna A185F) - [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 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023 - [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 2020-21-22](https://openairdocs.org/ad/2020-21-22): Fuselage; Stabilizers · Textron 180, 180A, 180B and 21 more. Effective Dec 7, 2020 - [AD 2011-10-09](https://openairdocs.org/ad/2011-10-09): Seat Rails and Roller Housing Inspections · Cessna 150A, 150B, 150C and 221 more. Effective Jun 17, 2011 - [AD 2008-26-10](https://openairdocs.org/ad/2008-26-10): Alternate static air source selector valve · Cessna 172, 172A, 172B and 179 more. Effective Jan 5, 2009 - [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 2000-06-01](https://openairdocs.org/ad/2000-06-01): Fuel Strainer Assembly · Cessna 150F, 150G, 150H and 163 more. Effective May 5, 2000 - [AD 98-21-21 R1](https://openairdocs.org/ad/98-21-21-R1): Electric Inflatable Door Seals · Cessna 17-30, 17-30A, 17-31 and 267 more. Effective May 1, 2000 - [AD 98-23-02](https://openairdocs.org/ad/98-23-02): Airglas Engineering Company Ski Installation · Fabrication of attaching and rigging parts (Airglas STC SA213AL). Effective Dec 22, 1998 - [AD 98-16-04](https://openairdocs.org/ad/98-16-04): Inspect Angle Stiffener Along Lower Spar Cap · Cessna 180, 180A, 180B and 37 more. Effective Sep 21, 1998 - [AD 97-01-13](https://openairdocs.org/ad/97-01-13): Fuel, Oil and Hydraulic Hoses · Cessna 150, 150A, 150B and 232 more. Effective Feb 3, 1997 - [AD 79-10-14 R1](https://openairdocs.org/ad/79-10-14-R1): Fuel Tank Venting · Cessna 140A, 150, 150A and 172 more. Effective May 30, 1988 - [AD 87-20-04](https://openairdocs.org/ad/87-20-04): Fuel System · Cessna 185, 185A, 185B and 5 more. Effective Sep 30, 1987 - [AD 86-24-07](https://openairdocs.org/ad/86-24-07): Engine Controls Installation · Cessna 150C, 150D, 150E and 142 more. Effective Jan 7, 1987 - [AD 86-19-11](https://openairdocs.org/ad/86-19-11): Contaminated Fuel · Cessna 177, 177A, 177B and 83 more. Effective Oct 4, 1986 - [AD 83-22-06](https://openairdocs.org/ad/83-22-06): Aileron Hinge Pin · Cessna 152, 172N, 172P and 18 more. Effective Nov 8, 1983 - [AD 83-17-06](https://openairdocs.org/ad/83-17-06): Aileron Balance Weights · Flap actuated aileron droop system (Sierra Industries STC SA1382WE or 5 others). Effective Sep 1, 1983 - [AD 81-15-03](https://openairdocs.org/ad/81-15-03): Engine Inlet Air Filters · Replace existing engine induction air filter (Brackett Aero Filters STC SA693CE or SA71GL). Effective Jul 20, 1981 - [AD 79-25-07](https://openairdocs.org/ad/79-25-07): Alternator Ground · Cessna 180, 180A, 180B and 95 more. Effective Dec 13, 1979 - [AD 77-12-08](https://openairdocs.org/ad/77-12-08): External Electrical Ground Power Receptacle · Cessna 172M, 172N, 177B and 19 more. Effective Jun 27, 1977 - [AD 76-04-03](https://openairdocs.org/ad/76-04-03): ARC PA-500A Actuators · Cessna 172L, 172M, 177B and 43 more. Effective Feb 26, 1976 - [AD 75-16-01](https://openairdocs.org/ad/75-16-01): Wing Fuel Tanks · Cessna 180, 180A, 180B and 68 more. Effective Jul 30, 1975 - [AD 75-09-06](https://openairdocs.org/ad/75-09-06): Engine Induction Air Duct · Cessna A185E, A185F, A188 and 2 more. Effective May 5, 1975 - [AD 74-13-06](https://openairdocs.org/ad/74-13-06): Main Wheel Assemblies · Cessna 180J, 210L, A185F and 4 more. Effective Jun 24, 1974 ### 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 2023-05-16](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 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 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 87-20-03 R2](https://openairdocs.org/ad/87-20-03-R2) (historical): Seat Tracks · Cessna 150A, 150B, 150C and 212 more. Effective Sep 24, 1990 - [AD 80-10-01](https://openairdocs.org/ad/80-10-01) (historical): Placard - Airspeed · Fabrication of attaching and rigging parts (Airglas STC SA213AL). Effective May 12, 1980 - [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) (18 in force) - [SAIB 2025-07](https://openairdocs.org/saib/2025-07): Reciprocating Engine Supercharger. Issued Jul 28, 2025 - [SAIB AIR-21-16](https://openairdocs.org/saib/AIR-21-16): FLIGHT COMPARTMENT EQUIPMENT, Cessna Seat Back Attachment Bolt Inspection. Issued Aug 26, 2021 - [SAIB SW-18-31](https://openairdocs.org/saib/SW-18-31): NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM. Issued Nov 21, 2018 - [SAIB CE-18-23](https://openairdocs.org/saib/CE-18-23): Passenger Compartment Equipment - Installation of F. Atlee Dodge Aircraft Services LLC. Folding Jump Seats. Issued Jul 19, 2018 - [SAIB CE-12-14](https://openairdocs.org/saib/CE-12-14): Three Alternative Methods of Compliance for AD 2011-10-09. Issued Jan 25, 2012 - [SAIB CE-10-40R1](https://openairdocs.org/saib/CE-10-40R1): Aircraft Fuel System; water contamination of fuel tank systems on Cessna single engine airplanes. Issued Jul 30, 2010 - [SAIB CE-09-10](https://openairdocs.org/saib/CE-09-10): Availability of Secondary Seat Stops for Pilot and Copilot Seats. Issued Feb 5, 2009 - [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 N1663R. ## FAA accident and incident reports (1) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 19820523033209I](https://openairdocs.org/incident/19820523033209I), May 23, 1982: Cessna A185F (N1663R), Westwego, LA, Minor damage. Dug in wing tip on first float plane water landing after obtaining seaplane rating. Water looped. ## Service difficulty reports None filed for this aircraft. ## Related - Other Cessna A185F aircraft: https://openairdocs.org/model/cessna-a185f/aircraft.md - STCs for the Cessna A185F: https://openairdocs.org/model/cessna-a185f/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.