# TCDS 1E1: Lycoming Engines

- Type: Type certificate data sheet
- Status: Current
- Holder: Lycoming Engines
- Revision: 5
- Revised: June 23, 2010
- Product: Engine
- Certification basis: CAR 13
- Registered aircraft: 2, by the registry models matched to it (OpenAirDocs)
- Data sheet PDF: https://openairdocs.org/files/sha256/76/51/765167513fadf5c9179cb8274d6f4b60a97b14c0c9bae94021f21147126ccaed
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FF5E4D5B7B6BB677862577CE007060C2.0001
- Page: https://openairdocs.org/tcds/1E1

## Models (4)

As the data sheet lists them.

- IVO-360-A1A
- VO-360-A1A
- VO-360-B1A
- VO-360-A1B

## What the data sheet says

From the PDF's text layer, line by line; tables lose their columns. The PDF is the record.

```text
Page No. 1 2 3 
Rev No. 5 5 5 
Reformatted 8/94 
DEPARTMENT OF TRANSPORTATION 
FEDERAL AVIATION ADMINISTRATION 
 
1E1 
Revision 5 
Lycoming Engines 
VO-360-A1A 
-A1B, -B1A 
IVO-360-A1A 
 
June 23, 2010 
 
TYPE CERTIFICATE DATA SHEET NO. 1E1 
 
Engines of models described herein conforming with this data sheet (which is a part of type certificate No. 1E1) and other 
approved data on file with the Federal Aviation Agency, meet the minimum standards for use in certificated aircraft in 
accordance with pertinent aircraft data sheets and applicable portions of the Civil Air 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 
 Williamsport, Pennsylvania 17701 
 
Type Certificate Holder Record Lycoming Division, AVCO CORP., Williamsport, PA. transferred TC 1E1 to Lycoming 
Engines, An Operating Division of AVCO Corporation on  June 23, 2010 
 
Model    Lycoming VO-360-A1A VO-360-A1B, -B1A IVO-360-A1A 
    
Type     4H0A Vertical Mounted Direct Drive   
Rating    
Max. continuous, hp., r.p.m., full  
  throttle at: 
   
Sea level pressure altitude 180-2900-S.L. - - - - 
Takeoff (5 min.) hp., r.p.m., full  
  throttle at: 
   
Sea level pressure altitude 180-2900-S.L. - - - - 
Fuel (minimum grade aviation  
  gasoline) 
91/96 - - - - 
Lubricating oil Lycoming Spec. No. 301-G** - - - - 
Bore and stroke, in. 5.125 x 4.375 - - - - 
Displacement, cu. in. 361 - - - - 
Compression ratio 8.5:1 - - - - 
Weight (dry), lb. 270 269 272 
C.G. location (dry with starter and  
  generator installed) 
   
  From front fact of power takeoff  
    flange, in. 14.24 - - - - 
  Off crankshaft centerline, in. 1.62 below & .05 right - - - - 
Propeller shaft Flange type power takeoff - - - - 
Crankshaft dampers and balancers None - - - - 
Carburetion or Fuel Injection MA-4-5+ MA-4 5AA+ Fuel Injector,  RSA-5AD1# 
Ignition, Dual  * Two  S4LN-21* S4LN-200*, S4LN-204* - - 
 
** See latest edition of Lycoming Service Instruction 1014 
+ Volare formerly PAC, formerly Marvel-Schebler 
#  PAC formerly Bendix 
*TCM formerly Bendix  
"- -" indicates "same as preceding model" 
"—" indicates "does not apply"

1E1 2  
 
Model    Lycoming VO-360-A1A VO-360-A1B, -B1A IVO-360-A1A 
Timing, °BTC 25 - - - - 
Spark plugs See NOTE 6 - - - - 
Oil sump capacity, qt. 6.0 - - - - 
Minimum usable oil, qt.    
  Engine position    
    Vertical 1.5 - - - - 
    10° from vertical 1.5 - - - - 
    20° from vertical 1.5 - - - - 
    30° from vertical 2.0 - - - - 
NOTES 1,2,3,4,5,6,7 - - - - 
 
CERTIFICATION BASIS 
  Date Type Certificate 
Regulations & Amendments Model  Date of Application  No. 1E1 Issued/Revised  
CAR 13 effective June 15, 1956 VO-360-A1 A November 30, 1956 January 29, 1959 
 
As amended by 13-1, 13-2, and 13-3 VO-360-A1B August 17, 1960 August 23, 1960 
 VO-360-B1A March 26, 1962 May 18, 1962 
 IVO-360-A1A April 16, 1963 May 17, 1963 
 
Production basis Production Certificate No. 3 
 
NOTE 1. Maximum permi ssible temperature: 
 
  Cylinder head  Cylinder Oil 
 (well type thermocouple)  base  inlet  
  500°  325°F 245°F 
 
NOTE 2.    Min.  Max.  
 Fuel Pressure Limits 
  For VO-360 series at carb. inlet 0.5 p.s.i. 8.0 p.s.i. 
  For IVO-360-A1A at injector inlet 14.0 p.s.i. 45.0 p.s.i. 
 Oil Pressure Limits 
  (normal operation)  60 p.s.i. 90 p.s.i. 
  (idling)   15 p.s.i. — 
 Starting and warm-up  — 100 p.s.i. 
 
 
 
NOTE 3. The following accessory provisions are available: 
 
 
 
Accessory 
 
 
 
VO-360-
A1A 
 
 
 
-A1B 
 
 
 
-B1A 
 
 
IVO-
360-A1A 
 
 
*Direction 
of Rotation 
 
 
 
**Speed 
 
Maximum Torque 
(in. -lb) 
Cont.         Static 
Maximum 
Overhang 
Moment  
(in. -lb.) 
Starter X X X — CC 13.556:1 — 450 150 
Starter — # # X CC 16.556:1 — 450 150 
Generator X X X X C 1.910:1 60 120 175 
Generator — # # # C 2.500:1 60 120 175 
Alternator # # # # C 3.20:1 60 120 175 
Vac. Pump X X # # CC 1.300:1 70 450 25 
Tachometer X X X X C 0.500:1 7 50 5 
Fuel Pump X X X X CC 1.300:1 70 450 25 
X - Standard  # - Optional 
*"C" - Clockwise, "CC" - Counter Clockwise facing engine pad. 
** Speed - Times crankshaft RPM. 
 
"- -" indicates "same as preceding model" 
"—" indicates "does not apply"

3 1E1 
NOTE 4. This engine is approved for helicopter app lication and operation in a vertical installation. 
 
NOTE 5. The above engine models incorpor ate additional characteristics as follows: 
 
  VO-360 Models  Characteristics  
 
  VO-360-A1A Basic model.  TCM S4LN magnetos. 
  VO-360-A1B Same as -A1A except has altitude compensated 
   carburetor and retard breaker magnetos. 
  VO-360-B1A Same as -A1B except has piston cooling oil jets. 
  IVO-360-A1A Similar to VO-360-B1A except has fuel injector. 
 
 
NOTE 6. Spark plugs:  See latest revision of Lycomi ng Service Instruction No. 1042 for approved equipment. 
 
 
NOTE 7. Starters, generators, and alternat ors approved for use on these engines are listed in the latest revision of Lycoming 
Service Instruction No. 1154. 
 
 
 
 
...END...
```

## ADs (25, 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 2009-02-03](https://openairdocs.org/ad/2009-02-03): Fuel injection servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 261 more. Effective Feb 9, 2009
- [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 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 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 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 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 75-09-15](https://openairdocs.org/ad/75-09-15): Fuel Starvation To The Engine · Lycoming Engines AIO-320-A1A, AIO-320-A1B, AIO-320-A2A and 130 more. Effective Apr 30, 1975
- [AD 73-10-02](https://openairdocs.org/ad/73-10-02): Bendix Fuel Injectors · Bendix Fuel Injectors, AIO-320-A1A, AIO-320-A1B and 88 more. Effective May 16, 1973
- [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 67-22-06](https://openairdocs.org/ad/67-22-06): Fuel Injectors · Lycoming Engines HIO-360-A1A, HIO-360-B1A, HIO-360-B1B and 28 more. Effective Aug 9, 1967
- [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 2008-08-14](https://openairdocs.org/ad/2008-08-14) (historical): Fuel injection servo plugs · Superior Air Parts AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 242 more. Effective Apr 29, 2008
- [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
- [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

## Registered aircraft by registry model (OpenAirDocs)

- [Lycoming IVO-360-A1A](https://openairdocs.org/engine/lycoming-ivo-360-a1a): 2 aircraft (registry code 41633)
- [Lycoming V0-360-A1A](https://openairdocs.org/engine/lycoming-v0-360-a1a): 0 aircraft (registry code 41630)
- [Lycoming V0-360-A1B](https://openairdocs.org/engine/lycoming-v0-360-a1b): 0 aircraft (registry code 41631)
- [Lycoming V0-360-B1A](https://openairdocs.org/engine/lycoming-v0-360-b1a): 0 aircraft (registry code 41632)

## STCs approved under this data sheet (18)

- [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
- [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 SE01954SE](https://openairdocs.org/stc/SE01954SE): Installation of engine crankcase seal.. Ly-Con Rebuilding Company
- [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 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.
- [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 SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector.. Aviation Development Corporation
- [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 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 SE1445SO](https://openairdocs.org/stc/SE1445SO): Use of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines.. ProTec
- [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines.. AMS/OIL

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