# N54DM: 1950 Navion NAVION A - Status: Valid registration - Airframe: [Navion NAVION A](https://openairdocs.org/model/navion-navion-a) (registry code 6150104, 4 seats) - Engine: [Continental E225 series](https://openairdocs.org/engine/continental-e225-series) (registry code 17015) - Data sheets: [TCDS A-782](https://openairdocs.org/tcds/A-782) (Sierra Hotel Aero Inc.), [TCDS E-267](https://openairdocs.org/tcds/E-267) (Continental Aerospace Technologies, Inc.) (OpenAirDocs) - Serial number: NAV-4-2010 - Year built: 1950 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Standard - Airworthiness date: April 13, 1956 - Certificate issued: August 24, 2024 - Expires: August 31, 2031 - Mode S code: A6D5EA - Registered owners: [Thieschafer Peter](https://openairdocs.org/faa-owner/THIESCHAFER%20PETER), [Thieschafer Cheryl Lynn](https://openairdocs.org/faa-owner/THIESCHAFER%20CHERYL%20LYNN) - Location: [Sartell, MN](https://openairdocs.org/faa-place/MN/Sartell) - Owner type: Co-owned - Owner's area on the map: 45.6360° N, 94.2327° W: Placed by OpenAirDocs at the center of ZIP code 56377, 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=54DM - Page: https://openairdocs.org/aircraft/N54DM 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 Continental E225 model are included. ## ADs that may apply (OpenAirDocs): 30 in force ### Matched by airframe (Navion 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 (Continental E225 series) - [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 97-21-02](https://openairdocs.org/ad/97-21-02): Cylinders · Continental Motors E165-2, E165-3, E165-4 and 61 more. Effective Oct 27, 1997 - [AD 63-15-01](https://openairdocs.org/ad/63-15-01): Exhaust Valves · Continental Motors E165-2, E165-3, E165-4 and 41 more. Effective Dec 31, 1969 - [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 60-12-01](https://openairdocs.org/ad/60-12-01): Piston Pins · Continental Motors E185-11, E185-8, E185-9 and 2 more - [AD 60-06-04](https://openairdocs.org/ad/60-06-04): Generator Drive Gear · Continental Motors E165-2, E165-3, E165-4 and 12 more - [AD 56-06-01](https://openairdocs.org/ad/56-06-01): Piston Pin Assembly · Continental Motors E165-2, E165-3, E165-4 and 41 more ### Historical (superseded or no longer in force) - [AD 97-15-01](https://openairdocs.org/ad/97-15-01) (historical): Pistons · Teledyne Continental Motors E165-2, E165-3, E165-4 and 61 more ## Information bulletins (advisory) (6 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-16-13](https://openairdocs.org/saib/NE-16-13): Powerplant - Prohibited use of sealant. Issued Mar 8, 2016 - [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 ## NTSB investigations None matched to N54DM. ## FAA accident and incident reports None matched to N54DM. ## 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) (266, 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 (Navion 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 266: https://openairdocs.org/aircraft/N54DM/stcs.md ## Earlier aircraft with N54DM The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N54DM before. - [Cancelled 2011-02-10](https://openairdocs.org/deregistered/N54DM-2011-02-10): Miller PITTS S-1C, S/N 4088, built 1976. Exported to Brazil. Owner: [Rose Harlan B](https://openairdocs.org/faa-owner/ROSE%20HARLAN%20B), [Lubbock, TX](https://openairdocs.org/faa-place/TX/Lubbock) ## Related - Other Navion NAVION A aircraft: https://openairdocs.org/model/navion-navion-a/aircraft.md - The Continental E225 series engine: https://openairdocs.org/engine/continental-e225-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.