# TCDS 1E14: Lycoming Engines - Type: Type certificate data sheet - Status: Current - Holder: Lycoming Engines - Revision: 5 - Revised: December 17, 2003 - Product: Engine - Certification basis: CAR 13 - Data sheet PDF: https://openairdocs.org/files/sha256/9d/fd/9dfdc8b2f1ece9e0b6aee2b7a49b759800ed20a6a1e65596716b83d761ec3285 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/21EBDAE0703423E886256E4E007539A2.0001 - Page: https://openairdocs.org/tcds/1E14 ## Models (2) As the data sheet lists them. - TIVO-540-A2A - TVO-540-A1A ## What the data sheet says From the PDF's text layer, line by line; tables lose their columns. The PDF is the record. ```text DEPARTMENT OF TRANSPORTATION FEDERAL AVIATION ADMINISTRATION 1E14 Revision 5 Lycoming Engines TVO-540-A1A TIVO-540-A2A December 17, 2003 TYPE CERTIFICATE DATA SHEET NO. 1E14 Engines of models described herein conforming with this data sheet (which is a part of type certificate No. 1E14) and other approved data on file with the Federal Aviation Administration, meet the minimum standards for use in certificated aircraft in accordance with pertinent aircraft data sheets and applicable portions of the Civil Air Regulations/Federal Aviation Regulations provided they are installed, operated and maintained as prescribed by the approved manufacturer’s manuals and other approved instructions. Type Certificate Holder Lycoming Engines An Operating Division of AVCO Corporation William sport, Pennsylvania 17701 Type Certificate Holder Record Textron Lycoming, AVCO Corporation transferred TC E14EA to Lycoming Engines, An Operating Division of AVCO Corporation on December 17, 2003 Model Ly coming TVO-540-A1A TIVO-540-A2A Type 6HOA Vertical-Mounted Direct Drive Turbosupercharged Rating (See NOTE 5) Maximum continuous, hp., r.p.m. 305-3200 315 @ 3200 Takeoff, hp., r.p.m. 305-3200 315 @ 3200 . Fuel (Minimum grade aviation gasoline) 100/130 - - Lubricating oil (Lubricants should conform to the MIL-L-6082 or - - specifications as listed or to subsequent revisions Lycoming Spec. No.301-E thereto.) Bore and stroke, in. 5.125 x 4.375 - - Displacement, cu. in. 541.5 - - Compression ratio 7.3:1 - - Weight (dry), lb. 499 507 C.G. location (dry and in horizontal position) From front face of crankcase, in. 16.00 - - Off crankshaft C.L., in. 1.53 below - - & 0.60 left - - Propeller shaft Flangs type power takeoff - - Crankshaft dampers and balancers None - - Carburetion Marvel-Schebler MA-6AA - - Fuel injection - - Bendix RS-5BD2 Turbosupercharger AiResearch model T-1112 - - Ignition, dual Scintilla S6RN-200 - - & S6LN-204 - - Timing, °BTC 25 - - Spark plugs see NOTE 4 - - Oil sump capacity Dry sump - - NOTES 1, 2, 3, 4, 5, 6 1, 2, 3, 4, 5, 6 “- -” indicates “same as preceding model” “—” indicates “not applicable” Page No. 1 2 3 Rev. No. 5 4 4 1E14 Page 2 of 3 Certification basis Date Type Certificate Regulations & Amendments Model Date of Application No.1E14 Issued or Amended CAR 13 effective June 15, 1956 As amended by 13-1, 13-2, 13-3 TVO-540-A1A March 17, 1961 October 18, 1961 13-4 TIVO-540-A2A March 5, 1963 August 16, 1963 Production basis: Production Certificate No. 3 NOTE 1. Maximum permissible temperatures: TVO-540-A1A TIVO-540-A2A Cylinder head (well type thermocouple) 500°F 500°F Cylinder base 300°F 305°F Oil inlet 235°F 235°F Carburetor inlet air 345°F — Fuel injector inlet air — 320°F Exhaust gas 1650°F 1650°F (Turbo inlet shown on Lycoming Drawing No.___) (63156) (63203) Compressor temperature rise, maximum 340°F 240°F NOTE 2. Fuel, oil and air pressure limits: Max. Min. Idle Fuel pressure limits p.s.i. (Above car buretor or fuel injector inlet air pressure.) TIVO-540-A2A (at inlet to injector) 45 29 — TWO-540-A1A (at inlet to carburetor) 8 4 Oil pressure limits p.s.i. 70 50 25 Carburetor inlet air pressure in. Hg.(TWO-540-A1A) 39.5 — — Fuel injector inlet air pressure in. Hg. (TIVO-540-A2A) 40.0 Manifold pressure in. Hg. (TVO-540-A1A) 34.5 Manifold pressure in. Hg. (TIVO-540-A2A) 36.0 NOTE 3. The following accessory provisions are incorporated: Rotation Speed Ratio Max.Overhand Facing To Maximum Torque Moment Accessory Drive Pad Crankshaft (in. - lb.) (in. - lb.) Continuous Static Starter C 1.000:1 - 12,000 300 Starter (opt.) Generator* C 2.600:1 500 2,200 400 Generator (opt.) Fuel pump CC .803:1 25 450 25 Vacuum Pump C 1.219:1 200 800 25 Hydraulic Pump C 1.083:1 400 1,650 75 Tachometer CC .500:1 7 50 - “C” = Clockwise, “CC” = Counter-clockwise *Not available as generator drive when fitted with hand crank starter jaw. Page 3 of 3 1E14 NOTE 4. This engine is approved for helicopter appli cation and operation in a vertical mount installation. NOTE 5. This engine is equipped with an AiResearch Model T-1112 turbosupercharger and integral automatic power control which makes standard dry, sea level ra tings available at other than standard conditions up to critical altitudes. Performance data for this engine are presented on Lycoming Curve Nos. (12821 - TVO-540) & (12930-A - TIVO-540). The turbocharger control is servo-operated from eith er engine oil or an external supply of MIL-H-5606 hydraulic fluid at a pressure of 60-70 p.s.i. Th is control is not equipped to use “Skydrol” fluid. The turbocharger meets the containment require ments of CAR 13.116 and does not require external protection. NOTE 6. The following spark plugs are approved as shown: TVO-540 TIVO-540 AC SR83P, HSR83P, SR87, HSR87 HSR86L, HSR87LI, HSR87LP, 171, 181 271, 281, 281IR, 273, 283, 293 Auto Lite SH26, SH260, PH26, PH260 PL300, PL350 BC 485S, RB955S RB39R Champion REM-38E, RHM-38E REB36W, RHB36P, RHB36W, REB37N REM-38P, RHM-38P RHB37E, RHB37N, 32P, 32W, 32E Lodge - RS35-3R, RS35-4R ...END... ``` ## ADs (19, in force first) - [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 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 2012-03-07](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 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 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 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 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 91-08-07](https://openairdocs.org/ad/91-08-07): Fuel Pump · Lycoming Engines TIO-360-A1A, TIO-360-A1B, TIO-360-A3B6 and 51 more. Effective May 6, 1991 - [AD 80-04-04 R1](https://openairdocs.org/ad/80-04-04-R1): Crankshaft Flange Bolts · Lycoming Engines IVO-540-A1A, TIVO-540-A2A, TVO-435-A1A and 38 more. Effective Aug 18, 1980 - [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 73-05-01](https://openairdocs.org/ad/73-05-01): Connecting Rod Bearing Assemblies · Lycoming Engines IVO-540-A1A, TIVO-540-A2A, TVO-540-A1A and 21 more. Effective Jul 9, 1974 - [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 68-08-08](https://openairdocs.org/ad/68-08-08): Hydraulic Valve · Lycoming Engines IGSO-480-A1A6, IGSO-480-A1B6, IGSO-480-A1C6 and 44 more. Effective May 19, 1968 - [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 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 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 ## STCs approved under this data sheet (20) - [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 SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd. - [STC SE01954SE](https://openairdocs.org/stc/SE01954SE): Installation of engine crankcase seal.. Ly-Con Rebuilding Company - [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. - [STC SE8628SW](https://openairdocs.org/stc/SE8628SW): Installation of oil nozzles for lubrication of cam and filters.. Cygnet Aerospace Corp - [STC SE09445SC](https://openairdocs.org/stc/SE09445SC): Installation of fuel injector nozzles.. General Aviation Modifications Inc. - [STC SE1339SW](https://openairdocs.org/stc/SE1339SW): Modify pistons to Drawings 11007 and 11015; piston rings. Continental Motors, Inc. - [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 SE2902NM](https://openairdocs.org/stc/SE2902NM): Lycoming valve cover gasket. Real Gaskets Tennessee - [STC SE00890LA](https://openairdocs.org/stc/SE00890LA): Installation of Nickson's cylinder barrels on Lycoming reciprocating engine models.. Nickson's Machine Shop Inc - [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 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 SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co - [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil.. Mobil Research & Development Corp - [STC SE5879SW](https://openairdocs.org/stc/SE5879SW): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP.. Phillips Petroleum Co - [STC SE5924SW](https://openairdocs.org/stc/SE5924SW): Installation of stainless steel replacement exhaust studs on AVCO engines.. Perrigo & Steele Aircraft Engr Company - [STC SE80NE](https://openairdocs.org/stc/SE80NE): Installation and usage of Bel-Ray synthetic aviation oil, Bel-Ray Aero 1, (nonsupercharged), horizontally opposed direct drive, aircraft engines of 350 hp. or less.. Bel-Ray Company, Inc - [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines.. AMS/OIL - [STC SE44WE](https://openairdocs.org/stc/SE44WE): Use of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines.. Kling Oil Company --- 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.