# Pratt & Whitney JT3C-12 - Type: Engine model (FAA registry) - Registry code: 51716 - Manufacturer (registry): P & W - Model: JT3C-12 - Engine type: Turbo-jet - Power: 13,000 lb thrust - Data sheet: [TCDS E-290](https://openairdocs.org/tcds/E-290) (OpenAirDocs) - Holder: Pratt & Whitney Division - Installed in: 0 registered aircraft - Page: https://openairdocs.org/engine/pratt-whitney-jt3c-12 Model codes come from the FAA registry's reference file. ## ADs that may apply (OpenAirDocs) Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 66-21-01](https://openairdocs.org/ad/66-21-01): Rotor Disc Spacer Assemblies · Pratt & Whitney Division JT3C-12 and JT3C-7. Effective Sep 30, 1966 - [AD 66-16-06](https://openairdocs.org/ad/66-16-06): Rotor Disc Spacer Assemblies · Pratt & Whitney Division JT3C-12 and JT3C-7. Effective Jul 2, 1966 - [AD 64-05-05](https://openairdocs.org/ad/64-05-05): Throttle Valve Assemblies · Pratt & Whitney Division JT3C-12, JT3C-7, JT3D-1 and 17 more. Effective Feb 27, 1964 - [AD 62-09-04](https://openairdocs.org/ad/62-09-04): Compressor Rotor Blades · Pratt & Whitney Division JT3C-12 and JT3C-7. Effective Apr 19, 1962 - [AD 62-17-06](https://openairdocs.org/ad/62-17-06): Compressor Rotor Disc · Pratt & Whitney Division JT3C-12 - [AD 56-06-02](https://openairdocs.org/ad/56-06-02): Cylinder Flange Attaching Stud · Pratt & Whitney Division Double Wasp CA15, Double Wasp CA17, Double Wasp CA18 and 115 more ## Registered aircraft None registered with this engine model now. ## NTSB investigations None matched to aircraft with this engine model. ## FAA accident and incident reports None matched to aircraft with this engine model. ## STCs that may be installed (OpenAirDocs) (2) Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SE106SO](https://openairdocs.org/stc/SE106SO): Alternate engine thermocouple fire seal on B-720 engine firewalls. Eastern Airlines Inc. Lists JT3C Series - [STC SE2CE](https://openairdocs.org/stc/SE2CE): Transducer in-flight maintenance and performance recorder. Trans World Airlines Inc. Lists JT3C Series ## PMA parts (OpenAirDocs) (18) Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first. - [A12155PA](https://drs.faa.gov/browse/excelExternalWindow/D2BEE286A6BFFE27862574F8006A9FE2.0001): Compressor Bleed Control. Goodrich Pump & Engine Control Systems Inc · PMA PQ0108NE · Replaces 450110 · Sep 10, 2002 - [9468A26](https://drs.faa.gov/browse/excelExternalWindow/01C77791AB9DA5DB862574F8006A9C33.0001): Main Fuel Pump. Goodrich Pump & Engine Control Systems Inc · PMA PQ0108NE · Replaces 481961 · Sep 10, 2002 - [KT218406](https://drs.faa.gov/browse/excelExternalWindow/ED4578BE9B6168518525704D0051E27D.0001): Seal. Turbine Kinetics Inc, Subsidiary of HEICO Corp · Replaces 218406 · Feb 19, 2001 - [KT218406](https://drs.faa.gov/browse/excelExternalWindow/E4E5230266A6CF3E862575010058A1E7.0001): Seal. Turbine Kinetics Inc, Subsidiary of HEICO Corp · PMA PQ0816NE · Replaces 218406 · Feb 19, 2001 - [40517](https://drs.faa.gov/browse/excelExternalWindow/89014737528FF2118525704C005D113B.0001): Lead, ignition. Unison Industries · Replaces PWA 360653 · Jan 26, 1998 - [42721](https://drs.faa.gov/browse/excelExternalWindow/6994224F4ECEBAB08525704C005D1157.0001): Exciter, Ignition. Unison Industries · Replaces PWA 563586 · Jan 26, 1998 - [44387](https://drs.faa.gov/browse/excelExternalWindow/5F79C023E422A5088525704C005D117D.0001): Exciter, Ignition. Unison Industries · Replaces PWA 780438 · Jan 26, 1998 - [40516](https://drs.faa.gov/browse/excelExternalWindow/5AF3DBA5233180538525704C005D113A.0001): Lead, ignition. Unison Industries · Replaces PWA 360652 · Jan 26, 1998 - [48016](https://drs.faa.gov/browse/excelExternalWindow/59D2BFBF9A7516E38525704C005D11A0.0001): Exciter, Ignition. Unison Industries · Replaces PWA 696845 · Jan 26, 1998 - [41540](https://drs.faa.gov/browse/excelExternalWindow/036ECCB7DC949C2D8525704C005D114A.0001): Exciter, Ignition. Unison Industries · Replaces PWA 477710 · Jan 26, 1998 - [TPM ltr and Computer Run](https://drs.faa.gov/browse/excelExternalWindow/FB43440C69C897EB8525704D00562318.0001): IAW TPM ltr dtd 3/1/85 and Computer Run, Job No J285 dtd 2/21/85 or later FAA approved revision. Turbo Power & Marine Sys Inc · Replaces Replacement of OEM parts · Jun 2, 1995 - [Turbo Power Parts List CPC Ref 84-032-1](https://drs.faa.gov/browse/excelExternalWindow/E755CACA9DC4B1CB8525704D0056231D.0001): IAW Turbo Power Parts List CPC Ref 84-032-1 dtd 5/25/84. Turbo Power & Marine Sys Inc · Replaces Replacement for original manufactured… · Jun 2, 1995 - [Turbo Power Parts Ltr](https://drs.faa.gov/browse/excelExternalWindow/C442C7D37E2A28B58525704D0056231E.0001): IAW Turbo Power Parts Ltr dtd 5/25/84 and attached Parts List. Turbo Power & Marine Sys Inc · Replaces Replacement for original manufactured… · Jun 2, 1995 - [Turbo Power Parts List CPC Ref 84-032-1](https://drs.faa.gov/browse/excelExternalWindow/203AACE3557CCFA68525704D0056231C.0001): IAW Turbo Power Parts List CPC Ref 84-032-1 dtd 2/8/84. Turbo Power & Marine Sys Inc · Replaces Replacement for original manufactured… · Jun 2, 1995 - [0270307](https://drs.faa.gov/browse/excelExternalWindow/3FCBB4973F9425DE8525704B00511C7D.0001): Igniter. SL Auburn Inc · Replaces 518366 · Dec 19, 1993 - [AA72S-A](https://drs.faa.gov/browse/excelExternalWindow/84C77AFDD55C447B8525703E006A3178.0001): Igniter. Champion Aerospace LLC · Replaces P&W 487238 · Jun 26, 1988 - [P/N ASC246741](https://drs.faa.gov/browse/excelExternalWindow/2B285BD6BD715BC5862578F5004A994C.0001): Metal Seal Ring. Combustion Technologies · PMA PQ0885NE · May 23, 1988 - [EM210987, N/C](https://drs.faa.gov/browse/excelExternalWindow/5F21BD2C9151C5D6862574F0006BE5B7.0001): Spacer. Electro-Methods Inc · May 4, 1976 --- 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.