# N46SC: 1946 Piper PA-12

- Status: Valid registration
- Airframe: [Piper PA-12](https://openairdocs.org/model/piper-pa-12) (registry code 7101202, 3 seats)
- Engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506)
- Data sheets: [TCDS A-780](https://openairdocs.org/tcds/A-780) (FS 2003 Corp.), [TCDS E-229](https://openairdocs.org/tcds/E-229) (Lycoming Division AVCO Corporation) (OpenAirDocs)
- Serial number: 12-990
- Year built: 1946
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: November 2, 1955
- Certificate issued: March 28, 2012
- Expires: March 31, 2028
- Mode S code: A598D5
- Registered owner: [Gravestock Jon W](https://openairdocs.org/faa-owner/GRAVESTOCK%20JON%20W)
- Location: [Saint Maries, ID](https://openairdocs.org/faa-place/ID/Saint%20Maries)
- Owner type: Individual
- Owner's area on the map: 47.2490° N, 116.5869° W: Placed by OpenAirDocs at the center of ZIP code 83861, within about 12 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=46SC
- Page: https://openairdocs.org/aircraft/N46SC

From the FAA registry file of October 21, 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 0-290 model are included.

## ADs that may apply (OpenAirDocs): 38 in force

### Matched by airframe (Piper PA-12)

- [AD 2025-02-11](https://openairdocs.org/ad/2025-02-11): Rudder Structure · FS 2001 J5A (Army L-4F), J5A-80, J5B (Army L-4G) and 67 more. Effective Mar 20, 2025
- [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 2015-08-04](https://openairdocs.org/ad/2015-08-04): Wings · FS 2000 L-14, AE-1, HE-1 and 77 more. Effective Jun 3, 2015
- [AD 2006-03-08](https://openairdocs.org/ad/2006-03-08): Vacuum pumps · Aero Advantage 14-19, 14-19-2, 14-19-3 and 299 more. Effective Mar 10, 2006
- [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 2001-23-17](https://openairdocs.org/ad/2001-23-17): GNS 430 units · Cessna 172, 182, 206 and 209 more. Effective Dec 28, 2001
- [AD 96-09-06](https://openairdocs.org/ad/96-09-06): Air Filter Assemblies · Maule Aerospace Technology 7ACA, 7ECA, 7FC and 180 more. Effective Jun 7, 1996
- [AD 85-06-04](https://openairdocs.org/ad/85-06-04): Fuel Tank · FS 2001 AE-1, HE-1, J5A-80 and 60 more. Effective May 4, 1985
- [AD 78-10-03](https://openairdocs.org/ad/78-10-03): Fuel Venting · FS 2001 AE-1, HE-1, J5A-80 and 66 more. Effective May 23, 1978
- [AD 74-17-04](https://openairdocs.org/ad/74-17-04): Fabric Reinforcement · FS 2002 PA-14, PA-12, PA-12S and 18 more. Effective Apr 11, 1977
- [AD 76-06-06](https://openairdocs.org/ad/76-06-06): PA-14 Wing Flaps · FS 2003 PA-12 and PA-12S with STC SA231AL. Effective Mar 25, 1976
- [AD 68-05-01](https://openairdocs.org/ad/68-05-01): Exhaust Mufflers · FS 2001 J5A-80, J5A (Army L-4F), J5B (Army L-4G) and 67 more. Effective Mar 31, 1968
- [AD 60-01-07](https://openairdocs.org/ad/60-01-07): Tail Brace Wires · FS 2002 PA-14, PA-12, PA-12S and 5 more
- [AD 50-05-01](https://openairdocs.org/ad/50-05-01): Nicopress Sleeve Rework · Piper PA-12, PA-12S, J3C-40 and 6 more
- [AD 49-14-01](https://openairdocs.org/ad/49-14-01): Elevator Connector Tube Fitting · FS 2003 J-3, J3C-40, J3C-50 and 17 more
- [AD 46-37-01](https://openairdocs.org/ad/46-37-01): Fuel Strainer Gasket · Piper PA-12, PA-12S, J3C-65S and 1 more
- [AD 51-21-02](https://openairdocs.org/ad/51-21-02): Aileron Hinge Brackets · FS 2003 PA-12 and PA-12S
- [AD 49-27-02](https://openairdocs.org/ad/49-27-02): Aileron Bellcrank Castings · FS 2002 PA-14 and PA-12
- [AD 48-14-01](https://openairdocs.org/ad/48-14-01): Fuel Line Elbow · FS 2003 PA-12
- [AD 48-13-04](https://openairdocs.org/ad/48-13-04): Fuse-Clip Attachment · FS 2003 PA-12
- [AD 48-13-03](https://openairdocs.org/ad/48-13-03): Battery Hold Down Brackets · FS 2003 PA-12
- [AD 48-01-02](https://openairdocs.org/ad/48-01-02): Cowl Support Braces · FS 2003 PA-12
- [AD 47-47-04](https://openairdocs.org/ad/47-47-04): Starter Solenoid Replacement · FS 2003 PA-12
- [AD 47-47-02](https://openairdocs.org/ad/47-47-02): Battery Box Insulating Spacer · FS 2003 PA-12
- [AD 47-47-01](https://openairdocs.org/ad/47-47-01): Landing Gear Reinforcement · FS 2003 PA-12
- [AD 47-22-03](https://openairdocs.org/ad/47-22-03): Landing Gear Tie Strap · FS 2003 PA-12
- [AD 46-36-03](https://openairdocs.org/ad/46-36-03): Muffler Brace · FS 2003 PA-12
- [AD 46-36-02](https://openairdocs.org/ad/46-36-02): Airscoop Rework · FS 2003 PA-12

### Matched by engine (Lycoming 0-290 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 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 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 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 98-01-06](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 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 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 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 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 54-02-01](https://openairdocs.org/ad/54-02-01): Magneto Timing · Textron Lycoming, AVCO O-290-D2

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

- [AD 99-01-05 R1](https://openairdocs.org/ad/99-01-05-R1) (historical): Wings · FS 2000 L-14, AE-1, HE-1 and 73 more. Effective Jan 14, 2014
- [AD 99-01-05](https://openairdocs.org/ad/99-01-05) (historical): Wing Lift Struts or Forks · FS 2000 L-14, AE-1, HE-1 and 73 more. Effective Feb 8, 1999
- [AD 93-10-06](https://openairdocs.org/ad/93-10-06) (historical): Corroded Wing Lift Struts or Cracked Forks · Piper Aircraft, Inc., The New J-2, J-3, J4 and 28 more. Effective Jul 9, 1993
- [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) (3 in force)

- [SAIB SW-18-31](https://openairdocs.org/saib/SW-18-31): NAVIGATION, ATTITUDE, AND DIRECTION DATA SYSTEM. Issued Nov 21, 2018
- [SAIB ACE-99-01](https://openairdocs.org/saib/ACE-99-01): . Issued Oct 21, 1998
- [SAIB NE-01-22](https://openairdocs.org/saib/NE-01-22): . Issued May 11, 2001

## NTSB investigations

None matched to N46SC.

## 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 20260321001679I](https://openairdocs.org/incident/20260321001679I), Mar 21, 2026: Piper PA-12 (N46SC), Starbuck, WA, Minor damage. The pilot advised that his brakes didn’t work and he went off the runway, when he finally stopped the plane tipped forward and the propeller struck the ground,…

## Service difficulty reports

None filed for this aircraft.

## Related

- Other Piper PA-12 aircraft: https://openairdocs.org/model/piper-pa-12/aircraft.md
- STCs for the Piper PA-12: https://openairdocs.org/model/piper-pa-12/stcs.md
- The Lycoming 0-290 series engine: https://openairdocs.org/engine/lycoming-0-290-series.md

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