# N315AT: 2019 John G Hess AT-5

- Status: Valid registration
- Airframe: [John G Hess AT-5](https://openairdocs.org/model/john-g-hess-at-5) (registry code 05633B0, 2 seats)
- Engine: [Lycoming O-320 series](https://openairdocs.org/engine/lycoming-o-320-series) (registry code 42389)
- Data sheets: [TCDS E-274](https://openairdocs.org/tcds/E-274) (Lycoming Engines) (OpenAirDocs)
- Serial number: 001
- Year built: 2019
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 1, 2019
- Certificate issued: December 13, 2017
- Expires: December 31, 2027
- Mode S code: A35976
- Registered owner: [Hess John G](https://openairdocs.org/faa-owner/HESS%20JOHN%20G)
- Location: [Fayetteville, GA](https://openairdocs.org/faa-place/GA/Fayetteville)
- Owner type: Individual
- Owner's area on the map: 33.3916° N, 84.4564° W: Placed by OpenAirDocs at the center of ZIP code 30215, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=315AT
- Page: https://openairdocs.org/aircraft/N315AT

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 O-320 model are included.

## ADs that may apply (OpenAirDocs): 39 in force

### Matched by airframe (John G Hess AT-5)

None in force.

### Matched by engine (Lycoming O-320 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 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 2012-03-07](https://openairdocs.org/ad/2012-03-07): Carburetor · Lycoming Engines GO-435, GO-435-C2 (O-435-17), GO-435-C2A and 389 more. Effective Mar 27, 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 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 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 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 98-01-06](https://openairdocs.org/ad/98-01-06): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 184 more. Effective Feb 13, 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 96-09-10](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 93-19-04](https://openairdocs.org/ad/93-19-04): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 184 more. Effective Oct 18, 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 80-04-03 R2](https://openairdocs.org/ad/80-04-03-R2): Hydraulic Lifter · Lycoming Engines LO-360-E1A6D, LTO-360-E1A6D, O-320-H1AD and 7 more. Effective Apr 25, 1988
- [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 80-14-07](https://openairdocs.org/ad/80-14-07): Upper Exhaust Valve Spring Seats · Lycoming Engines LO-360-E1A6D, O-320-H1AD, O-320-H1BD and 5 more. Effective Jul 7, 1980
- [AD 79-10-03 R2](https://openairdocs.org/ad/79-10-03-R2): Engine Mounting Bracket Attaching Bolts · Lycoming Engines LO-360-E1A6D, O-320-H2AD and O-360-E1A6D. Effective Jul 1, 1980
- [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 78-12-09](https://openairdocs.org/ad/78-12-09): Crankshaft Gear Assembly · Lycoming Engines O-320-H1AD, O-320-H1BD, O-320-H2AD and 3 more. Effective Feb 20, 1979
- [AD 77-07-07](https://openairdocs.org/ad/77-07-07): Oil Level Gage · Lycoming Engines O-320-H2AD. Effective Feb 20, 1979
- [AD 77-20-07](https://openairdocs.org/ad/77-20-07): Loose Rocker Arm Retaining Studs and Hydraulic Tappets · Lycoming Engines O-320-H1AD, O-320-H1BD, O-320-H2AD and 3 more. Effective Aug 31, 1978
- [AD 78-12-08](https://openairdocs.org/ad/78-12-08): Oil Pump Body · Lycoming Engines O-320-H1AD, O-320-H1BD, O-320-H2AD and 3 more. Effective Jun 20, 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 69-24-03](https://openairdocs.org/ad/69-24-03): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 321 more. Effective Nov 29, 1969
- [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 63-23-02](https://openairdocs.org/ad/63-23-02): Exhaust Valves · Lycoming Engines O-320-A1A, O-320-A1B, O-320-A2A and 25 more. Effective Aug 6, 1968
- [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
- [AD 59-10-07](https://openairdocs.org/ad/59-10-07): Cylinder Baffle Clamps · Lycoming Engines GO-480-A1A, GO-480-B, GO-480-B1A6 and 58 more
- [AD 55-02-02](https://openairdocs.org/ad/55-02-02): Gasket · Lycoming Engines O-320-A1A and O-320-A2A

### 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 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 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 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 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) (9 in force)

- [SAIB NE-06-31R6](https://openairdocs.org/saib/NE-06-31R6): Engine Lubricating Oils. Issued Sep 26, 2022
- [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-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-00-22](https://openairdocs.org/saib/NE-00-22): . Issued May 23, 2000
- [SAIB NE-06-31R5](https://openairdocs.org/saib/NE-06-31R5) (historical): Engine Lubricating Oils. Issued Oct 19, 2011
- [SAIB NE-06-31R4](https://openairdocs.org/saib/NE-06-31R4) (historical): Engine Lubricating Oils. Issued Jul 6, 2011
- [SAIB NE-06-31R3](https://openairdocs.org/saib/NE-06-31R3) (historical): Engine Lubricating Oils. Issued Jul 22, 2009
- [SAIB NE-06-31R2](https://openairdocs.org/saib/NE-06-31R2) (historical): Engine Lubricating Oils. Issued Apr 29, 2009
- [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
- [SAIB NE-06-31R1](https://openairdocs.org/saib/NE-06-31R1) (historical): . Issued Apr 18, 2006
- [SAIB NE-06-31](https://openairdocs.org/saib/NE-06-31) (historical): . Issued Feb 27, 2006

## NTSB investigations

None matched to N315AT.

## FAA accident and incident reports

None matched to N315AT.

## 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.

## Service difficulty reports on N315AT not matched to an aircraft (17)

They name N315AT, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR SWAA2013061016927](https://openairdocs.org/sdr/SWAA2013061016927), Jun 7, 2013: LIGHT. DAMAGED. RIGHT EMERGENCY EXIT ROW LIGHT STRIP DAMAGED AT ROW 1. R & R EEPLS IAW AMM.
- [SDR SWAA2013050715708](https://openairdocs.org/sdr/SWAA2013050715708), May 7, 2013: SLIDE. OUT OF ADJUST. L1 DOOR EMERGENCY EVAC SLIDE OUT OF ADJUST. ADJUSTED SLIDE PER AMM.
- [SDR SWAA2013021212587](https://openairdocs.org/sdr/SWAA2013021212587), Jan 20, 2013: GLOWSTRIP. MISSING. GLOW PATH LIGHTING MISSING LEFT AFT CABIN. REPLACED MISSING GLOW PATH LIGHTING MISSING STRIP IAW B737 MM 33-51-15.
- [SDR SWAA2013012111583](https://openairdocs.org/sdr/SWAA2013012111583), Jan 20, 2013: GLOWSTRIP. MISSING. GLOW PATH LIGHTING MISSING LEFT AFT CABIN. REPLACED MISSING GLOW PATH LIGHTING MISSING STRIP IAW B737 MM 33-51-15.
- [SDR SWAA2013012111644](https://openairdocs.org/sdr/SWAA2013012111644), Jan 15, 2013: DRAIN. CRACKED. HORIZONTAL STABILIZER JACKSCREW COMPARTMENT BODY DRAIN ON LT SIDE IS CRACKED. REMOVED & REPLACED DRAIN IAW B-737 SRM 51-40-02 AT HORIZONTAL STAB JACKSCREW COMPA
- [SDR SWAA2013011711541](https://openairdocs.org/sdr/SWAA2013011711541), Jan 14, 2013: COVER. CRACKED. LEFT EMERGENCY DOOR - LIFT STOP COVER CRACKED. REPLACED LEFT EMERGENCY DOOR STRAP COVER IAW B737 AMM 52-22-51. DOOR LINER TO BE RE-INSTALLED ON TASK CARD 52-230
- [SDR SWAA2013011711540](https://openairdocs.org/sdr/SWAA2013011711540), Jan 13, 2013: LENS. CRACKED. RIGHT WINGLET POSITION SIGN LIGHT LENS (GREEN) IS CRACKED 80-001. REMOVED AND INSTALLED SERVICEABLE RIGHT WINGLET POSITION LIGHT LENS IAW B737 AMM 57-21-22.
- [SDR SWAA2012121710678](https://openairdocs.org/sdr/SWAA2012121710678), Dec 15, 2012: COVER. OUT OF POSITION. R1 SLIDE PACK GAGE COVER FELL OFF. REPOSITIONED SLIDE GAGE SIGHT GLASS PER AMM.
- [SDR ZZDA2011717](https://openairdocs.org/sdr/ZZDA2011717), Sep 8, 2011: SLIDE. DEPLOYED. R-1 DOOR SLIDE DEPLOYED. REMOVED AND REPLACED R-1 DOOR SLIDE ASSY PER AMM 25-66-01. OK FOR SERVICE.
- [SDR ZZDA2011645](https://openairdocs.org/sdr/ZZDA2011645), Aug 19, 2011: COVER. OUT OF POSITION. OVERWING EXIT LIGHT COVER OFF. REINSTALLED LIGHT COVER PER B737 AMM 33-51.
- [SDR ZZDA2011070](https://openairdocs.org/sdr/ZZDA2011070), Jan 20, 2011: SKIN. DENTED. HORIZONTAL STAB LEADING EDGE SKIN, STA 175, DENTED. ACCOMPLISHED SKIN DOUBLER REPAIR PER B737 SRM 55-10-01 REPAIR 2.
- [SDR ZZDA2010634](https://openairdocs.org/sdr/ZZDA2010634), Dec 20, 2010: LENS. MISSING. EMERGENCY LIGHT LENS COVER MISSING SEAT 18F, LIGHT WORKS OK. INSTALLED LENS COVER ON EMERGENCY EXIT AT SEAT 18F, REF AMM 33-51-01.
- [SDR ZZDA2010325](https://openairdocs.org/sdr/ZZDA2010325), Jul 17, 2010: GLOWSTRIP. BROKEN. A 4 INCH PIECE OF PHOTOLUMINESCENT STRIP BROKEN AT 3AC. REMOVED AND REPLACED BROKEN PHOTOLUMINESCENT STRIP IAW 737 AMM 33-51. OPS CHECK GOOD.
- [SDR ZZDA2010292](https://openairdocs.org/sdr/ZZDA2010292), Jun 5, 2010: ENGINE. MALFUNCTIONED. NR 1 ENGINE FILTER BYPASS LIGHT ILLUMINATED. NR 1 ENGINE SHUT DOWN ON FINAL INTO ATL. REMOVED AND REPLACED NR 1 ENGINE IAW TC 72-AT-001-00.
- [SDR ZZDA2010030](https://openairdocs.org/sdr/ZZDA2010030), Jan 20, 2010: GLOWSTRIP. BROKEN. E-PATH STRIP BROKEN AT AIRCRAFT RIGHT, ROW 1 (PHOTOLUMINSCENT LIGHT). REPLACED BROKEN STRIP, REF MM 33-51.
- [SDR ZZDA2009074](https://openairdocs.org/sdr/ZZDA2009074), Feb 27, 2009: STRIP. MISSING. ABOUT 1 FOOT MISSING OF ESCAPE PATH LIGHTING STRIP. REMOVED AND REPLACED 18 INCH SECTION OF EPL STRIP IAW B717 AMM 33-51-15.
- [SDR ZZDA2008134](https://openairdocs.org/sdr/ZZDA2008134), Aug 3, 2008: OIL SYSTEM. LOW. OBSERVED LOW OIL QUANTITY IN LEFT ENGINE DURING CLIMBOUT. INDICATION AT 3 UNITS. ACCOMPLISHED FIM 79-05 TASK 809. INSPECTED ENG IAW B737 AMM 79-00-00 PG 601. SE

## STCs that may be installed (OpenAirDocs) (70, 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 engine (Lycoming O-320 series)

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC. Lists O-320-A1A
- [STC SE00825WI](https://openairdocs.org/stc/SE00825WI): Installation of Specialty Products Spin-on oil filter on Lycoming Engines. B & C Specialty Products Inc. Lists O-320-A1A
- [STC SE2932SW](https://openairdocs.org/stc/SE2932SW): Install carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive. Alcor LLC
- [STC SE208SO](https://openairdocs.org/stc/SE208SO): Installation of ice indicator in the carburetor. LegacySTC.com
- [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd. Lists O-320-A1A
- [STC SE01954SE](https://openairdocs.org/stc/SE01954SE): Installation of engine crankcase seal. Ly-Con Rebuilding Company. Lists O-320-A1A
- [STC SE02352CH](https://openairdocs.org/stc/SE02352CH): Installation of Challenger cleanable oil filter assembly. Challenger Aviation Products Inc. Lists O-320-A1A
- [STC SE00939WI](https://openairdocs.org/stc/SE00939WI): Installation of B&C Specialty Products Model BC 315-( ) Starter on Lycoming engines. B & C Specialty Products Inc. Lists O-320-A1A
- [STC SE2391CE](https://openairdocs.org/stc/SE2391CE): Installation of B&C Speciality Products lightweight (10.2 pounds) engine starter, part number BC-315-100-1 (12 volts) or part number BC-315-100-3 (24 volts) on engines with ring gears that have 122 teeth. B & C Specialty Products Inc
- [STC SE03232CH](https://openairdocs.org/stc/SE03232CH): Installation of Engine Preheat Kit p/n TA2925-1 for 115 volt application. Hartzell Propeller Inc. Lists O-320-A1A
- [STC SE4-1638](https://openairdocs.org/stc/SE4-1638): Installation of one Roto-Master Turbocharger Model No. 3DT5FF10J2, P/N 600572-00 (formerly Rajay Model No. 315F10, P/N RJ0080-100, -101, or -102). TALCO Aviation. Lists O-320-A Series
- [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp. Lists O-320-A1A
- [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc. Lists O-320-A1A
- [STC SE8628SW](https://openairdocs.org/stc/SE8628SW): Installation of oil nozzles for lubrication of cam and filters. Cygnet Aerospace Corp. Lists O-320-A1A
- [STC SE03215CH](https://openairdocs.org/stc/SE03215CH): STC for the conversion of Lycoming O-320-A, B, C, D, E; IO-320-A, B, C, D, E, F; AIO-320-A, B; AEIO-320-D, E to increase engine displacement to 340 cubic inches by installation of a crankshaft with a longer stroke. Continental Motors, Inc. Lists O-320-A1A
- [STC SE1051SW](https://openairdocs.org/stc/SE1051SW): Convert straight mount engine to dynafocal mount configuration. Continental Motors, Inc. Lists O-320-A2B
- [STC SE1339SW](https://openairdocs.org/stc/SE1339SW): Modify pistons to Drawings 11007 and 11015; piston rings. Continental Motors, Inc. Lists O-320-D1A
- [STC SE4408SW](https://openairdocs.org/stc/SE4408SW): Miscellaneous engine cylinder replacement parts. Continental Motors, Inc
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc
- [STC SE00218NY](https://openairdocs.org/stc/SE00218NY): Replacement of Lycoming starter with SKY-TEC 12 volt starter installed. Hartzell Engine Technologies, LLC
- [STC SE00226NY](https://openairdocs.org/stc/SE00226NY): Replacement of Lycoming starter with SKY-TEC 24-volt starter Models 149-24HT and 122-24HT. Approval limited to 24-volt DC source available to the starter. Hartzell Engine Technologies, LLC. Lists O-320-A1A
- [STC SE00357NY](https://openairdocs.org/stc/SE00357NY): Replacement of Lycoming starter with SKY-TEC 24-volt starter installed. Hartzell Engine Technologies, LLC
- [STC SE2901NM](https://openairdocs.org/stc/SE2901NM): Lycoming valve cover gasket. Real Gaskets Tennessee. Lists O-320-A1A
- [STC SE00590DE](https://openairdocs.org/stc/SE00590DE): Installation of modified Lubricated Camshaft. Centri-Lube Technologies LLC. Lists O-320-A1A
- [STC SE01524CH](https://openairdocs.org/stc/SE01524CH): Replace Slick 6000, 6100, 6200, 6300, 4000, 4100, 4200, and 4300 series magnetos and TCM/Bendix S6-20, S6-200, S6-1200, S-20, S-200, and S-1200 series magnetos with Champion Limited Authority Spark Advance Regulator (LASAR ) Model 4755 and 6755 bush kit ignition systems. Champion Aerospace LLC. Lists O-320-A Series
- [STC SE419CH](https://openairdocs.org/stc/SE419CH): Replace Slick 4000, 4100, 4200, and 4300 series magnetos and TCM/Bendix S-20, S-200, and S-1200 series magnetos with the Champion Limited Authority Spark Advance Regulator (LASAR ) ignition system. Champion Aerospace LLC. Lists O-320-A1A
- [STC SE524CH](https://openairdocs.org/stc/SE524CH): Replace Slick 4000, 4100, 4200, and 4300 series magnetos and TCM/Bendix S-20, S-200, and S-1200 series magnetos with the Champion Limited Authority Spark Advance Regulator (LASAR ). Champion Aerospace LLC. Lists O-320-A1A
- [STC SE862GL](https://openairdocs.org/stc/SE862GL): Replacement of Bendix S4LN-20, -21, -1209, or -1227 model magnetos with Slick model4250 or 4251 magnetos. Champion Aerospace LLC. Lists O-320-A1A
- [STC SE3692SW-D](https://openairdocs.org/stc/SE3692SW-D): Increase 5 minute takeoff maximum power rating to 160 horsepower. RAM Aircraft Limited Partnership. Lists O-320-E2D
- [STC SE8193SW](https://openairdocs.org/stc/SE8193SW): Grind nitriden high compression cylinder barrles to plus .010 oversize and install SL75089 P10 piston, SL74242 P10 compression ring, and SL73857 P10 oil ring. Superior Air Parts Inc. Lists O-320-B1A
- [STC SE1931CE](https://openairdocs.org/stc/SE1931CE): Add the following approved fuel: unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index, (RON+MON)/2. Petersen Aviation Inc. Lists O-320-A1A
- [STC SE2587CE](https://openairdocs.org/stc/SE2587CE): Add unleaded and leaded automotive gasoline, 91 minimum antiknock index per ASTM specification D-439. Petersen Aviation Inc. Lists O-320-A1A
- [STC SE8987SW](https://openairdocs.org/stc/SE8987SW): Modify engine IAW RAM Aircraft Corp Drawing No. 1724. Minimum fuel grade is 100/100LL. RAM Aircraft Limited Partnership. Lists O-320-E2A
- [STC SE925GL](https://openairdocs.org/stc/SE925GL): Installation of Shadin Co. fuel flow transducer. Shadin Company Inc. Lists O-320-A2B
- [STC SE01930NY](https://openairdocs.org/stc/SE01930NY): Installation of Casper Labs 90 degree oil filter housing adapter. Casper Labs Inc. Lists O-320-A1A
- [STC SE02157NY](https://openairdocs.org/stc/SE02157NY): Installation and maintenance of new roller-bearing lifters and camshaft. Air P Techno Inc. Lists O-320-H2AD
- [STC SE1779NM](https://openairdocs.org/stc/SE1779NM): Installation of Precise Flight, Inc. Standby Vacuum System SVS III. Precise Flight Inc. Lists O-320-A1A
- [STC SE02207AK](https://openairdocs.org/stc/SE02207AK): Limited to installation on model O-320-E2D, serial number 24305-27A ONLY. Hot Springs Aviation. Lists O-320-E2D
- [STC SE5743NM](https://openairdocs.org/stc/SE5743NM): Intallation of adapter for externally mounted oil filter. Aviation Development Corporation. Lists O-320-A1A
- [STC SE2315NM](https://openairdocs.org/stc/SE2315NM): Modification of Lycoming 0-320-A2B engine to 160 HP configuration. Aero Recip Alaska, LLC. Lists O-320-A2B
- [STC SE1-201](https://openairdocs.org/stc/SE1-201): Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D)). MidContinent Instru Co Inc
- [STC SE682NE](https://openairdocs.org/stc/SE682NE): Conversion of Model 0-320-E2G engine to high compression. Precision Engine. Lists O-320-E2G
- [STC SE09492SC](https://openairdocs.org/stc/SE09492SC): Installation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013. Exxon Company USA
- [STC SE00590LA](https://openairdocs.org/stc/SE00590LA): Installation of Nickson's cylinder barrels on Lycoming reciprocating engine models. Nickson's Machine Shop Inc. Lists O-320-A Series
- [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation. Lists O-320-A1A
- [STC SE1226CE](https://openairdocs.org/stc/SE1226CE): Modify engines for a 160 horsepower rating on 100/130 minimum grade fuel. Ly-Con Rebuilding Company. Lists O-320-A2B
- [STC SE00252SE](https://openairdocs.org/stc/SE00252SE): Modification for a 160 hp rating on 100/100LL minimum grade fuel. Ly-Con Rebuilding Company. Lists O-320-A2B
- [STC SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co
- [STC SE702NE](https://openairdocs.org/stc/SE702NE): Modification of crankcase tappet bores to accommodate large tappets. Mattituck Airbase, Inc. Lists O-320-H Series
- [STC SE4634NM](https://openairdocs.org/stc/SE4634NM): Installation of oil filter adapter fabricated. Univ of Alaska Fairbanks. Lists O-320-A1A

All 70: https://openairdocs.org/aircraft/N315AT/stcs.md

## Related

- Other John G Hess AT-5 aircraft: https://openairdocs.org/model/john-g-hess-at-5/aircraft.md
- The Lycoming O-320 series engine: https://openairdocs.org/engine/lycoming-o-320-series.md

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