# N949SP: 1999 Cessna 172S

- Status: Valid registration
- Airframe: [Cessna 172S](https://openairdocs.org/model/cessna-172s) (registry code 2072439, 4 seats)
- Engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515)
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12) (Textron Aviation Inc.), [TCDS 1E10](https://openairdocs.org/tcds/1E10) (Lycoming Engines) (OpenAirDocs)
- Serial number: 172S8145
- Year built: 1999
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal, utility
- Airworthiness date: April 29, 1999
- Certificate issued: December 2, 2023
- Expires: December 31, 2030
- Mode S code: AD3035
- Registered owner: [N949sp LLC](https://openairdocs.org/faa-owner/N949SP%20LLC)
- Location: [California, MD](https://openairdocs.org/faa-place/MD/California)
- Owner type: LLC
- Owner's area on the map: 38.2925° N, 76.5277° W: Placed by OpenAirDocs at the center of ZIP code 20619, 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=949SP
- Page: https://openairdocs.org/aircraft/N949SP

From the FAA registry file of October 24, 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 I0360 model are included.

## ADs that may apply (OpenAirDocs): 78 in force

### Matched by airframe (Cessna 172S)

- [AD 2024-14-03](https://openairdocs.org/ad/2024-14-03): Autopilot System · Garmin GFC 500 Autopilot (STC SA01866WI). Effective Aug 20, 2024
- [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 or SA02658SE). Effective Mar 21, 2022
- [AD 2018-02-04](https://openairdocs.org/ad/2018-02-04): Exhaust Noise Suppressor · Aerospace Welding Minneapolis A1754001-23, A1754001-25, 172 and 3 more. Effective Feb 21, 2018
- [AD 2013-11-11](https://openairdocs.org/ad/2013-11-11): Engine Oil Pressure · Cessna 172R, 172S, 182S and 4 more. Effective Aug 1, 2013
- [AD 2013-03-15](https://openairdocs.org/ad/2013-03-15): Aircraft Fuel Distribution System · Cessna 172R and 172S. Effective Mar 19, 2013
- [AD 2012-22-01](https://openairdocs.org/ad/2012-22-01): Aircraft Fuel Distribution System · Cessna 172R and 172S. Effective Dec 28, 2012
- [AD 2012-02-02](https://openairdocs.org/ad/2012-02-02): Fuel · Cessna 172R and 172S. Effective Mar 13, 2012
- [AD 2011-06-02](https://openairdocs.org/ad/2011-06-02): Engine · TAE 125-01 Engine Installation (Technify Motors STC SA01303WI). Effective May 26, 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 2008-10-02](https://openairdocs.org/ad/2008-10-02): Part number identification placard · Cessna 172, 172R, 172RG and 64 more. Effective May 12, 2008
- [AD 2008-05-09](https://openairdocs.org/ad/2008-05-09): Crew seats · Cessna 172R, 172S, 182T and 3 more. Effective Apr 8, 2008
- [AD 2008-02-18](https://openairdocs.org/ad/2008-02-18): Pick-up collar support and nylon screws · BRS-172 parachute recovery system (Ballistic Recovery Systems STC SA01679CH or SA01999CH). Effective Feb 28, 2008
- [AD 2007-08-03](https://openairdocs.org/ad/2007-08-03): Flexible fuel hoses · Cessna 172R, 172S, 182T and 3 more. Effective May 2, 2007
- [AD 2007-05-10](https://openairdocs.org/ad/2007-05-10): Steel lock rod/bar on both crew seat back cylinder lock assemblies · Cessna 172R, 172S, 182S and 4 more. Effective Apr 11, 2007
- [AD 2006-17-04](https://openairdocs.org/ad/2006-17-04): Flexible fuel hoses located in the engine compartment · Cessna 172R, 172S, 182T and 3 more. Effective Sep 1, 2006
- [AD 2005-13-10](https://openairdocs.org/ad/2005-13-10): Main electrical power junction box circuit breakers · Cessna 172R, 172S, 182T and 3 more. Effective Aug 9, 2005
- [AD 2005-05-53 R1](https://openairdocs.org/ad/2005-05-53-R1): Flight control system · Cessna 172R, 172S, 182T and 1 more. Effective Mar 21, 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 2004-15-18](https://openairdocs.org/ad/2004-15-18): Honeywell KAP 140 Autopilot Computer System · Cessna 172R, 172S, 182S and 4 more. Effective Sep 12, 2004
- [AD 2001-06-17](https://openairdocs.org/ad/2001-06-17): Engine Idle Speed and Fuel Control Mixture Setting · Cessna 172R and 172S. Effective Apr 20, 2001
- [AD 98-25-02](https://openairdocs.org/ad/98-25-02): Top-mounted Antenna · Bell Helicopter Textron Canada 407, 172, 172A and 243 more. Effective Dec 22, 1998
- [AD 98-14-03](https://openairdocs.org/ad/98-14-03): Transponders · Cessna 172, 172A, 172B and 230 more. Effective Aug 16, 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 90-06-03 R1](https://openairdocs.org/ad/90-06-03-R1): Exhaust Heater/Muffler Assembly · Cessna 172, 172A, 172B and 16 more. Effective Mar 27, 1991
- [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 79-08-03](https://openairdocs.org/ad/79-08-03): Electrical System · Cessna 120, 140, 140A and 152 more. Effective Jun 6, 1979
- [AD 77-02-09](https://openairdocs.org/ad/77-02-09): Wing Flap System · Cessna 150, 150A, 150B and 61 more. Effective Feb 3, 1977
- [AD 74-06-02](https://openairdocs.org/ad/74-06-02): AVCON Mufflers · Lycoming 150 and160 hp Model O-320-( ) engine (Williams Robert or Barbara STC SA750CE or 3 others). Effective Mar 18, 1974
- [AD 74-04-01](https://openairdocs.org/ad/74-04-01): Aft Fuselage Bulkhead Assembly · Cessna 172, 172A, 172B and 16 more. Effective Feb 12, 1974
- [AD 73-23-07](https://openairdocs.org/ad/73-23-07): Defective Spar Attachment Fittings · Cessna 150, 150A, 150B and 68 more. Effective Nov 19, 1973
- [AD 73-17-01](https://openairdocs.org/ad/73-17-01): Fuel Transfer Pump Placard · Cessna 170, 170A, 170B and 53 more. Effective Aug 16, 1973
- [AD 71-22-02](https://openairdocs.org/ad/71-22-02): Cracks In Nose Gear Fork · Cessna 150, 150A, 150B and 52 more. Effective Nov 9, 1971
- [AD 71-18-01](https://openairdocs.org/ad/71-18-01): Fuel Selector Valve Placard · Cessna 172, 172A, 172B and 16 more. Effective Aug 31, 1971
- [AD 69-15-03](https://openairdocs.org/ad/69-15-03): Muffler Assembly · Lycoming O-320-A1A, A1B, A3A, A3B or Lycoming O-320-B1A, B1B… (D'Shannon Products STC SA135CE or 8 others). Effective Aug 20, 1969
- [AD 68-17-04](https://openairdocs.org/ad/68-17-04): Stall Warning System · Cessna 150, 150A, 150B and 63 more. Effective Sep 7, 1968

### Matched by engine (Lycoming I0360 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 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 2020-25-12](https://openairdocs.org/ad/2020-25-12): Reciprocating Engine Power Section · Superior Air Parts IO-360-A1A1, IO-360-A1A2, IO-360-A2A1 and 146 more. Effective Jan 15, 2021
- [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 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 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 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 2010-07-08](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 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 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 2006-06-16](https://openairdocs.org/ad/2006-06-16): Crankshaft · Lycoming Engines AEIO-360-A1B6, AEIO-360-A1E6, IO-360-A1B6 and 18 more. Effective Apr 27, 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 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 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 2002-12-07](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 98-02-08](https://openairdocs.org/ad/98-02-08): Crankshaft · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 216 more. Effective Mar 30, 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 96-23-03](https://openairdocs.org/ad/96-23-03): High pressure fuel pumps · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 174 more. Effective Dec 23, 1996
- [AD 96-09-10](https://openairdocs.org/ad/96-09-10): Oil pump · Lycoming Engines AEIO-320-E1A, AEIO-320-E1B, AEIO-320-E2A and 334 more. Effective Jul 15, 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 93-14-15](https://openairdocs.org/ad/93-14-15): Instrument Panel Placard, · Lycoming Engines IO-360-A1B6D and IO-360-A3B6D with STC SA4758NM or SE4757NM. Effective Aug 23, 1993
- [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 90-04-06 R1](https://openairdocs.org/ad/90-04-06-R1): Propeller Governor External Oil Line · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 427 more. Effective May 28, 1991
- [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 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 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 75-08-09](https://openairdocs.org/ad/75-08-09): Oil Pump Drive Shaft · Lycoming Engines AEIO-360-A1B, AEIO-360-A1B6, AEIO-360-A1C and 365 more. Effective Aug 18, 1977
- [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 71-05-02](https://openairdocs.org/ad/71-05-02): Crankcase Main Bearings · Lycoming Engines IO-360-A1A, IO-360-A1B, IO-360-A1B6 and 9 more. Effective Feb 13, 1973
- [AD 71-11-02](https://openairdocs.org/ad/71-11-02): Intake and Exhaust Hydraulic Tappet Plunger Assembly · Lycoming Engines IO-360-A1A, IO-360-A1B, IO-360-A1B6 and 9 more. Effective Mar 14, 1972
- [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
- [AD 67-22-06](https://openairdocs.org/ad/67-22-06): Fuel Injectors · Lycoming Engines HIO-360-A1A, HIO-360-B1A, HIO-360-B1B and 28 more. Effective Aug 9, 1967
- [AD 67-01-04](https://openairdocs.org/ad/67-01-04): Oil Filters · Full flow oil filter (Superior Flow STC SA401SW or 2 others). Effective Jan 2, 1967
- [AD 66-20-04](https://openairdocs.org/ad/66-20-04): Oil Filter Adapter Gasket · Lycoming Engines IO-320-A1A, IO-320-A2A, IO-320-B1A and 121 more. Effective Aug 27, 1966
- [AD 64-16-05](https://openairdocs.org/ad/64-16-05): AC Pumps · Lycoming Engines HIO-360-B1A, HIO-360-B1B, IO-320-B1A and 86 more. Effective Jul 10, 1964

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

- [AD 2008-03-02](https://openairdocs.org/ad/2008-03-02) (historical): Fuel return line assembly · Cessna 172R and 172S. Effective Mar 6, 2008
- [AD 2005-05-53](https://openairdocs.org/ad/2005-05-53) (historical): Flight Control System · 172R, 172S, 182T and 1 more
- [AD 2003-24-13](https://openairdocs.org/ad/2003-24-13) (historical): Honeywell KAP 140 autopilot computer system · 172R, 172S, 182S and 4 more. Effective Jan 20, 2004
- [AD 2000-04-01](https://openairdocs.org/ad/2000-04-01) (historical): Oil Pressure Switch · Cessna 172R, 172S, 182S and 2 more. Effective Mar 11, 2000
- [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 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 2000-18-53](https://openairdocs.org/ad/2000-18-53) (historical): Oil Filter Converter Plate Gaskets · Textron Lycoming, AVCO AEIO-540, IO-360-A1B6D, IO-360-A1D6D and 73 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 81-18-04 R2](https://openairdocs.org/ad/81-18-04-R2) (historical): Engine Oil Pump Driven Impeller and Shaft · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 376 more. Effective Jun 7, 1982

## Information bulletins (advisory) (28 in force)

- [SAIB CE-19-01 R1](https://openairdocs.org/saib/CE-19-01%20R1): Engine Oil and Airplane Hour Meter; Pressure Switch Failure. Issued Dec 6, 2022
- [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-17-25](https://openairdocs.org/saib/CE-17-25): ELEVATOR TORQUE TUBE  Inspections for cracks and corrosion in elevator torque tubes. Issued Aug 25, 2017
- [SAIB CE-12-02R1](https://openairdocs.org/saib/CE-12-02R1): Alternative Method of Compliance to Airworthiness Directive 2001-06-17. Issued Nov 13, 2014
- [SAIB CE-12-15](https://openairdocs.org/saib/CE-12-15): DC Power Distribution System - Avionics Master Switch. Issued Jan 30, 2012
- [SAIB CE-12-03](https://openairdocs.org/saib/CE-12-03): Fuel Control; Engine Performance with the Throttle Control at Idle. Issued Oct 26, 2011
- [SAIB CE-11-37](https://openairdocs.org/saib/CE-11-37): Engine Oil: Oil Filter Interference. Issued May 31, 2011
- [SAIB CE-11-36](https://openairdocs.org/saib/CE-11-36): Flight Controls  Frayed Aileron Cables. Issued May 31, 2011
- [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-09-42](https://openairdocs.org/saib/CE-09-42): Lights - Landing Light, Beacon Light and Taxi Light Switch Applications. Issued Jul 24, 2009
- [SAIB CE-09-12](https://openairdocs.org/saib/CE-09-12): Navigation: CRS/BARO Knob Interference in some G1000/G900X/G950 Installations. Issued Feb 11, 2009
- [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 CE-09-01](https://openairdocs.org/saib/CE-09-01): Equipment - Emergency. Issued Oct 21, 2008
- [SAIB CE-01-41R2](https://openairdocs.org/saib/CE-01-41R2): Flight Controls. Issued Oct 1, 2007
- [SAIB CE-06-46R1](https://openairdocs.org/saib/CE-06-46R1): . Issued Sep 18, 2006
- [SAIB CE-02-20](https://openairdocs.org/saib/CE-02-20): . Issued Mar 14, 2002
- [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-13-06](https://openairdocs.org/saib/NE-13-06): Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320, 360, and 540 Series Engines. Issued Nov 21, 2012
- [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-05-89](https://openairdocs.org/saib/NE-05-89): . Issued Sep 30, 2005
- [SAIB NE-05-40](https://openairdocs.org/saib/NE-05-40): . Issued Mar 18, 2005
- [SAIB NE-03-18](https://openairdocs.org/saib/NE-03-18): . Issued Jan 22, 2003
- [SAIB NE-01-22](https://openairdocs.org/saib/NE-01-22): . Issued May 11, 2001
- [SAIB CE-19-01](https://openairdocs.org/saib/CE-19-01) (historical): Engine Oil and Airplane Hour Meter; Pressure Switch Failure. Issued Feb 12, 2019
- [SAIB CE-12-02](https://openairdocs.org/saib/CE-12-02) (historical): Alternative Method of Compliance to Airworthiness Directive 2001-06-17. Issued Oct 24, 2011
- [SAIB CE-10-40](https://openairdocs.org/saib/CE-10-40) (historical): Aircraft Fuel System; water contamination of fuel tank systems on Cessna single engine airplanes. Issued Jul 27, 2010
- [SAIB CE-01-41R1](https://openairdocs.org/saib/CE-01-41R1) (historical): Cracks in plastic or non-metallic control wheels. Issued Jan 10, 2007
- [SAIB NE-08-26R2](https://openairdocs.org/saib/NE-08-26R2) (historical): Magneto/Distributor. Issued Apr 22, 2010
- [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 N949SP.

## FAA accident and incident reports

None matched to N949SP.

## Service difficulty reports (14)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 2007FA0000310](https://openairdocs.org/sdr/2007FA0000310), Apr 6, 2007: NUT. MISMANUFACTURED. WHILE INSTALLING KIT MK172-25-10C TO COMPLY WITH SB 04-25-01 R4 AND AD 2007-05-10, ONE OF THE PARTS IN THE KIT WAS MACHINED IMPROPERLY. THE HEIGHT ADJUSTING NUT
- [SDR 2007FA0000301](https://openairdocs.org/sdr/2007FA0000301), Apr 6, 2007: NUT. MISMANUFACTURED. WHILE INSTALLING KIT MK172-25-10C TO COMPLY WITH SB 04-25-01 R4 AND AD 2007-05-10, ONE OF THE PARTS IN THE KIT WAS MACHINED IMPROPERLY. THE HEIGHT ADJUSTING NUT
- [SDR 2002FA0001232](https://openairdocs.org/sdr/2002FA0001232), Oct 28, 2002: BULKHEAD. CRACKED. DURING PHASE 1 INSPECTION, MAINTENANCE FOUND AFT PROPELLER SPINNER BULKHEAD CRACKED AT ONE FLANGE BY THE PROPELLER BLADE CUT OUT ON ONE SIDE. REPLACED PROPELLER
- [SDR 2001FA0000145](https://openairdocs.org/sdr/2001FA0000145), Jul 18, 2001: SERVO. FROZEN. SECOND FLIGHT OF THE DAY, TEMP 89F, DA 9444. ENGINE START WAS DIFFICULT, TAXI AND ENGINE RUN UP NORMAL. AIRCRAFT TOOK THE RUN WAY FOR TAKE OFF. WHEN THROTTLE WA
- [SDR 20010410AP013](https://openairdocs.org/sdr/20010410AP013), Mar 16, 2001: SERVO. MALFUNCTIONED. ENGINE RSA-5AD1 FUEL SERVO WILL NOT MEET SPECIFICATIONS. FUEL FLOW BELOW 1700 RPM IS TOO HIGH. IDLE SPEED AND MIXTURE CAN NOT BE SET TO MFG SPECIFICATIONS WITH 
- [SDR 20010323CW015](https://openairdocs.org/sdr/20010323CW015), Feb 15, 2001: LOCK. BROKEN. PILOT REPORTED HIS SEAT LOCK PINS WOULD NOT RELEASE. MAINTENANCE FOUND THE PILOTS SEAT LOCK CONTROL WAS BROKEN. THIS SAME CONTROL WAS REPLACED 431.0 HOURS PRIOR
- [SDR 20010323CW017](https://openairdocs.org/sdr/20010323CW017), Jan 8, 2001: STARTER. INOPERATIVE. PILOT ATTEMPTED ENGINE START. FIRST FLIGHT OF THE DAY, STARTER WOULD NOT ROTATE. MAINTENANCE FOUND STARTER HAD TWO TERMINALS MELTED WHERE THEY ATTACH TO COMMUTA
- [SDR 20010222CW009](https://openairdocs.org/sdr/20010222CW009), Jan 8, 2001: STARTER. INOPERATIVE. PILOT ATTEMPTED ENGINE START, STARTER WOULD NOT ROTATE. MAINTENANCE FOUND STARTER HAD TWO TERMINALS MELTED WHERE THAT ATTACH TO COMMUTATOR BRUSHES. REPLACED STA
- [SDR 20001130SH004](https://openairdocs.org/sdr/20001130SH004), Nov 1, 2000: BOLT. BACKED OUT. DURING PHASE 2 INSPECTION, PARKING BRAKE CROSSOVER CABLE, BELLCRANK BOLT WAS BACKED OUT AND RESTRICTING PILOT''S R-RUDDER PEDAL, FWD TRAVEL. WITH THE BOLT BACKE
- [SDR 2000ZZZX23](https://openairdocs.org/sdr/2000ZZZX23), Dec 16, 1999: BRACKET. CRACKED. DURING PHASE 2 INSPECTION, FOUND LOWER COWL SHOCK MOUNT BRACKET CRACKED AT THE 4 O'CLOCK POSITION. THE OTHER HALF OF THE SHOCK MOUNT BRACKET WAS ALSO CRACKED, P
- [SDR 2000ZZZX22](https://openairdocs.org/sdr/2000ZZZX22), Dec 16, 1999: BRACKET. CRACKED. DURING PHASE 2 INSPECTION, FOUND LOWER COWL SHOCK MOUNT BRACKET CRACKED AT THE 4 O'CLOCK POSITION. THE OTHER HALF OF THE SHOCK MOUNT BRACKET WAS ALSO CRACKED, P
- [SDR 2000ZZZX21](https://openairdocs.org/sdr/2000ZZZX21), Dec 16, 1999: MOUNT. TORN. DURING PHASE 2 INSPECTION, FOUND 4 LOWER COWL ATTACH SHOCK MOUNTS TORN AT THE BASE. LOCATED AT THE 2, 3, AND 4 O'CLOCK POSITIONS AND THE LOWER L. REPLACED SHOCK
- [SDR 99ZZZX4155](https://openairdocs.org/sdr/99ZZZX4155), Oct 18, 1999: PUMP. MALFUNCTIONED. NEW 172S CONDUCTING FLIGHT TRAINING AT AIRFIELD ABOVE 6,000 FEET WITH DENSITY ALTITUDE AT 9,000 FEET AND AMBIENT TEMP APPROXIMATELY 89 DEGREES FAHRENHEIT. TAXI 
- [SDR 99ZZZX2732](https://openairdocs.org/sdr/99ZZZX2732), Jul 9, 1999: ARM. MISDRILLED. NEW CESSNA WITH 97.4 HOURS SINCE NEW. DURING FIRST PHASE 2 INSPECTION, FOUND PILOT'S AND COPILOT'S RUDDER PEDALS WERE NOT ALIGNED PARALLEL TO ONE ANOTHER. THE P

## STCs that may be installed (OpenAirDocs) (369, 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 (Cessna 172S)

- [STC SA01233SE](https://openairdocs.org/stc/SA01233SE): Fabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assembly. ABI, LLC
- [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 SA12428CH](https://openairdocs.org/stc/SA12428CH): Installation of the Lycoming Engines Electronic Ignition System (EIS). Lycoming Engines, An Operating Division of AVCO Corporation
- [STC SA02069AK](https://openairdocs.org/stc/SA02069AK): Fabrication and installation of the Airglas, Inc., Landes PA32-206LA Nose Fork equipped with up to a 8.50 x 6 tire. Airglas Inc
- [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 SA01134DE](https://openairdocs.org/stc/SA01134DE): Installation of EarthX ETX680-24-TSO Lithium Battery. EarthX Inc
- [STC SA12406WI](https://openairdocs.org/stc/SA12406WI): Installation of a Garmin AXIS Flight Display System. Garmin International Inc
- [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 SA03932NY](https://openairdocs.org/stc/SA03932NY): Installation and maintenance of XCAM Pod on port or starboard wing strut. J&C Engineering Services LTD
- [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 SA02511SE](https://openairdocs.org/stc/SA02511SE): Installation of replacement fuel quantity indicator sending unit(s). CiES Inc
- [STC SA01866WI](https://openairdocs.org/stc/SA01866WI): Installation of Garmin GFC 500 Autopilot with Electronic Stability and Protection. Garmin International Inc
- [STC SA12276IB](https://openairdocs.org/stc/SA12276IB): Payload System Installation. Icarus Aero Inc
- [STC SA04075CH](https://openairdocs.org/stc/SA04075CH): Installation of Dynon EFIS-D10A EAA sales kit part number 102778-000. Dynon Avionics Inc
- [STC SA02595AK](https://openairdocs.org/stc/SA02595AK): Fabrication and installation of Airglas Inc. cargo pod kit model LC172. Airglas Inc
- [STC SA00081NY](https://openairdocs.org/stc/SA00081NY): Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector. Alcor LLC
- [STC SA5581SW](https://openairdocs.org/stc/SA5581SW): Installation of ALCOR true-flow/ totalizer system. Alcor LLC. Lists 172 Series
- [STC SA01801AT](https://openairdocs.org/stc/SA01801AT): For the Cessna 172 airplane models incorporating Lycoming O-320 engines: Modification of the standard exhaust system as documented in Laminar Flow Systems Installation Instructions Document, "Laminar Flow System Extractor Exhaust System" Revision A, dated, November 20, 1998 and Technical Drawing List, Book No. PFS-B-800, dated, November 16, 1998 or per Power Flow Systems, Inc. Installation Instructions Document PFS-0058-00, Rev. A, dated October 5, 2001 and Master Drawing List, Report No. PFS-0032-00, Rev. IR, dated August 10, 2000, or later FAA approved revisions. For the Cessna 172 airplane models incorporating Lycoming O-320 ,O-360 0r IO-360 engines: Modify the standard exhaust system as document in Power Flow Systems, Inc. Installation Instructions Document PFS-13250-00, Rev B, dated, December 9, 2002 and Master Drawing list PFS-13240-00, Rev, IR, dated October 3, 2002. Power Flow Systems 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 SA02588AK](https://openairdocs.org/stc/SA02588AK): Installation of Ground Adjustable Sensenich Composite 2G0M8S14/C76PGF Propeller. Sensenich Propeller Company
- [STC SA00037WI](https://openairdocs.org/stc/SA00037WI): Installation of B & C Specialty Products BC100-1 battery. B & C Specialty Products Inc
- [STC SA04378CH](https://openairdocs.org/stc/SA04378CH): Installation of an engine modified per STC SE04349CH. SureFly Partners Ltd
- [STC SA01120SE](https://openairdocs.org/stc/SA01120SE): Installation of Door Steward. Mountain View Aviation LLC
- [STC SA39CH](https://openairdocs.org/stc/SA39CH): Installation of an Amphibian Landing Gear Position Advisory System/Laser Gear Advisory System. Wipaire Inc
- [STC SA02594SE](https://openairdocs.org/stc/SA02594SE): SkyView HDX Instrumentation and Autopilot System manufactured. Dynon Avionics
- [STC SA02386AK](https://openairdocs.org/stc/SA02386AK): Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems. AeroLED's Holding LLC
- [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 SA02006CH](https://openairdocs.org/stc/SA02006CH): Installation of air conditioning system. Kelly Aerospace Thermal Systems LLC
- [STC SA00871SE](https://openairdocs.org/stc/SA00871SE): Installation of cockpit sunvisors. Rosen Sunvisor Systems LLC
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA01105DE](https://openairdocs.org/stc/SA01105DE): Installation of the Persistent Systems MPU5 Wave Radio System. Persistent Systems
- [STC SA01899WI](https://openairdocs.org/stc/SA01899WI): Installation of Garmin G3X Touch Electronic Flight Instrument System. Garmin International Inc
- [STC SA02575AK](https://openairdocs.org/stc/SA02575AK): Installation of the nose tire scraper P/N TSL-100. Aero Twin Inc
- [STC SA02576AK](https://openairdocs.org/stc/SA02576AK): Installation of Cleveland and ABI, LLC Wheel and Brake Kits. ABI LLC
- [STC SA02019WI](https://openairdocs.org/stc/SA02019WI): Installation of the Trig Avionics TX56, TX56A, TX57, or TX57A VHF Nav-Com Radio. Peregrine
- [STC SA04400NY](https://openairdocs.org/stc/SA04400NY): Installation of the Integrated Back-up Battery System (IBBS). TCW Technologies LLC
- [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 SA11137SC](https://openairdocs.org/stc/SA11137SC): Installation of Plane-Power ALT-FLX alternator. Hartzell Engine Technologies, LLC
- [STC SA00897WI](https://openairdocs.org/stc/SA00897WI): Installation of Concorde Battery Corporation (VRSLA) Valve regulated sealed lead acid battery. Aero-Mach Wilco LLC
- [STC SA01552WI](https://openairdocs.org/stc/SA01552WI): Installation of Supplemental Audio System, including #2 GMA 1347 Audio Panel. Yingling Aircraft Inc
- [STC SA00709SE](https://openairdocs.org/stc/SA00709SE): Installation of replacement control surface skin panels. Athena Aircraft, LLC
- [STC SA02987CH](https://openairdocs.org/stc/SA02987CH): Installation of the Electroair Electronic Ignition System. Electroair Acquisition Corporation
- [STC SA04586CH](https://openairdocs.org/stc/SA04586CH): Installation of Electroair Back Up Battery Panel System Control. Electroair Aquisition Corp
- [STC SA910CE](https://openairdocs.org/stc/SA910CE): Installation of wing leading edge cuffs, drooped tips, stall fences and Aileron gap seals. (172, 172Q LANDPLANE) (172P LANDPLANE AND FLOATPLANE). Curry Aviation LLC

All 369: https://openairdocs.org/aircraft/N949SP/stcs.md

## Related

- Other Cessna 172S aircraft: https://openairdocs.org/model/cessna-172s/aircraft.md
- The Lycoming I0360 series engine: https://openairdocs.org/engine/lycoming-i0360-series.md

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