- Holder
- Lycoming Engines
- Revision
- 11
- Revised
- June 23, 2010
- Status
- Current
- Product
- Engine
- Models
- 33
- Registered
- 273 aircraft
The release keeps the latest revision of each data sheet. Model names are as the data sheet lists them.
On this page
Models · 33
| Model | Also known as | Note |
|---|---|---|
| GO-480-F3A6 | Formerly Textron Lycoming, AVCO Corporation | |
| IGO-480-A1B6 | Formerly Textron Lycoming, AVCO Corporation | |
| GO-480-C1B6 | Formerly Textron Lycoming, AVCO Corporation |
Airworthiness directives · 25
ADs whose products are models on this data sheet, matched by model and maker.
Registered aircraft
Registry models that point at this data sheet, with their registered aircraft.
Lycoming GO-480 series246 registered aircraftLycoming GO-480-B1A610 registered aircraftLycoming GO-480-G1D67 registered aircraft
See all 33 registry modelsSTCs approved under this data sheet · 30
STC SE04349CHInstallation of SureFly electronic ignitionSTC SE01954SEInstallation of engine crankcase seal.STC SE03309CHInstallation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application
See all 30 STCsWhat the data sheet says
From the PDF’s text layer, line by line: tables lose their columns. The PDF is the record.
Page No. 1 2 3 4 5 6
Rev. No. 11 10 10 11 11 11
DEPARTMENT OF TRANSPORTATION
FEDERAL AVIATION ADMINISTRATION
E-275
Revision 11
Lycoming Engines
GO-480, GO-480-A1A, -B, -B1, -B1A6, -B1B,
-B1C, -B1D, -C1B6, -C1D6, -C2C6,
-C2D6, -C2E6, -C3A6, -D1A, -E1A6,
-F6, -F1A6, -F2A6, -F2D6, -F3A6,
-F3B6, -F4A6, -F4B6, -G1A6, -G1B6,
-G1D6, -G1H6, -G1J6, -G2D6, -G2F6
IGO-480-A1A6, -A1B6
June 23, 2010
TYPE CERTIFICATE DATA SHEET NO. E-275
Engines of models described herein conforming with this data sheet (which is a part of type certificate No. 275) 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
Williamsport, Pennsylvania 17701
Type Certificate Holder Record Avco Lycoming Div., Avco Corporation transferred TC 275 to Lycoming Engines, An
Operating Division of AVCO Corporation on June 23, 2010
Model Lycoming
GO-480-A1A
GO-480-B, -B1A6,
-B1B, -B1C, -B1D
GO-480-
D1A, -E1A6,
-F6, -F1A6, -
F2A6, -
F2D6, -
F3A6, -
F3B6, -
F4A6, -F4B6
GO-480-C1B6,
-C1D6, -C2C6,
-C2D6, -C2E6,
-G1A6, -G1B6,
-G1D6, -G1H6,
-G1J6, -G2D6,
-G2F6,
IGO-480-
A1A6, -A1B6
GO-480-C3A6
Type 6H0A - - - - - - - -
Reduction gear ratio 77:120 - - 77:120
(16:25-E1A6)
77:120 16:25
Rating
Maximum continuous, hp.,
r.p.m, full throttle, at
Sea level pressure altitude 260-3000 - - 260-3000 or
265-3100
280-3000 or
285-3100
- -
- -
Takeoff (5 min.), hp., r.p.m.,
full throttle, at:
Sea level pressure altitude 260-3400 270-3400 275-3400 295-3400 - -
Fuel (Minimum grade aviation
gasoline)
80/87 - - - - 100/130 - -
Lubricating oil (lubricants
should conform to the
specifications as listed or to
subsequent revision thereto.)
Lycoming Spec.
No. 301-G*
- - - - - - - -
Bore and stroke. in. 5.125 X 3.875 - - - - - - - -
Displacement, cu. in. 479.7 - - - - - - - -
Compression ratio 7.3:1 - - - - 8.7:1 - -
Weight (dry) See NOTE 4 - - - - - - - -
C.G. location (dry) See NOTE 5 - - - - - - - -
* See latest edition of Lycoming Service Instruction 1014
E-275 2
Model Lycoming
(cont'd)
GO-480-A1A
GO-480-B, -B1A6,
-B1B, -B1C, -B1D
GO-480-
D1A, -E1A6,
-F6, -F1A6, -
F2A6, -
F2D6, -
F3A6, -
F3B6, -
F4A6, -F4B6
GO-480-C1B6,
-C1D6, -C2C6,
-C2D6, -C2E6,
-G1A6, -G1B6,
-G1D6, -G1H6,
-G1J6, -G2D6,
-G2F6,
IGO-480-
A1A6, -A1B6
GO-480-C3A6
Propeller shaft See NOTE 4 - - - - - - - -
Crankshaft dampers
(Torsional)
See NOTE 6 - - - - - - - -
Carburetion See NOTE 4 - - - - - - - -
Ignition, dual See NOTE 4 - - - - - - - -
Ignition timing, °BTC 25 - - - - - - - -
Spark plugs See NOTE 9 - - - - - - - -
Oil sump capacity, qt. 12 - - 12 except
-D1A which
has dry sump
12 except GO-
480 -C1B6,
-G1B6 have dry
sump
12
Usable oil, qt. 9.25 - - - - - - - -
NOTES 1,2,3,4,5,6,7, 8,9 - - - - - - - -
"- -" indicates "same as preceding model"
"" indicates "does not apply"
Certification basis:
Regulations and Amendments
Model
Date of Application
Date Type Certificate
No. E-275
Issued/Revised
CAR 13 Effective March 5, 1952 GO- 480 October 8, 1953 April 21, 1954
As Amended By 13-1 GO-480-B March 16, 1954 April 21, 1954
13-2 GO-480-F6 June 17, 1954 September 17, 1954
GO-480-B1 August 31, 1954 October 4, 1954
Redesignations:
GO-480- to GO-480-A1A October 29, 1954
GO-480-B1 to GO-480-B1B October 29, 1954
GO-480-E1A6 October 21, 1954 December 9, 1954
GO-480-D1A November 24, 1954 December 30, 1954
GO-480-B1C January 11, 1955 February 8, 1955
GO-480-C2C6 June 8, 1955 August 26, 1955
GO-480-C3A6 July 25, 1955 November 29, 1955
GO-480-C1B6 August 5, 1955 August 26, 1955
GO-480-C1D6, -C2D6 February 7, 1956 February 28, 1956
GO-480-F1A6 March 5, 1956 April 5, 1956
GO-480-B1A6 May 7, 1956 May 10, 1956
CAR 13 Effective June 15, 1956 GO-480-B1D June 29, 1956 July 5, 1956
GO-480-C2E6 October 15, 1956 October 19, 1956
GO-480-F2A6 November 19, 1956 November 23, 1956
GO-480-F3A6, -F3B6 December 31, 1956 February 25, 1957
GO-480-F4A6, -F4B6 February 4, 1957 February 25, 1957
GO-480-G1B6, -G2D6 July 2, 1957 August 15, 1957
As Amended by 13-1 GO-480-G1A6, G1D6 March 19, 1958 April 1, 1958
13-2 and 13-3 GO-480-G2F6 July 11, 1960 August 25, 1960
13-4 GO-480-G1H6 January 18, 1963 January 24, 1963
GO-480-F2D6 August 17, 1964 September 16, 1964
FAR 33, 33-1, 33-2 GO-480-G1J6 January 6, 1967 January 23, 1967
IGO-480-A1A6 August 27, 1968 September 9, 1968
IGO-480-A1B6 May 25, 1973 June 6, 1973
3 E-275
Production basis: Production Certificate No. 3
NOTE 1. Maximum permissible temperatures are as follows:
Cylinder head 475°F (Well-type thermo.), 500°F for IGO-480-A1B6
Cylinder barrel * 325°F (350°F for -C1B6, -C1D6, -C2C6, -C2D6, -C2E6,
-C3A6, -F3A6, -F3B6, -G1A6, -G1B6, -G1D6, -G1J6, -G1H6,
-G2D6, and -G2F6)
Oil inlet 225°F (235°F for -F2D6, G series and IGO-480 series only)
* This parameter dispensed with where pistons internally oil squirt cooled. See NOTE 4.
NOTE 2. Fuel pressure limits: Maximum with
(above carburetor entrance pressure) Injector in
Maximum Minimum Idle Idle cut off
GO-480 at inlet to carburetor 15 p.s.i. 9 p.s.i.
IGO-480-A1A6 at inlet to injector 45 p.s.i. 16 p.s.i.
IGO-480-A1B6 at inlet to inject ors 45 p.s.i. 16 p. s.i. 12 p.s.i.
at inlet to fuel pump 45 p.s.i. -4 p.s.i. 55 p.s.i.
Oil pressure limits:
Normal Operations 85 p.s.i. 65 p.s.i. 25 p.s.i.
NOTE 3. The following accessory drive provisions are available:
Engine Model B1B,
B1D,
C2C6,
C3A6,
C1D6,
C2D6,
F Series Rotation Maximum Maximum
C1B6, G1D6, Speed Facing Torque Overhang
Accessory D1A, B1C, G2D6, Ratio to Drive in. -lb. Moment
Drive A1A, B G1B6 E1A6 G2F6 C2E6 Crankshaft Pad Cont Static in. - lb.
Tachometer .500:1 CC 7 50
Starter * 1.000:1 C 12,000 300
Starter * * * * 1.000:1 C 3,000 80
Generator * 2.600:1 C 500 2,200 400
Generator * * 1.250:1 C 175 1,800 200
Generator 1.250:1 C 175 500 200
Generator * 2.577:1 C 90 900 200
Generator * * 2.569:1 C 90 900 200
Alternator 2.577:1 C 90 900 200
Fuel Pump * * * * 1.000:1 C 50 450 10
Fuel Pump * .803:1 CC 25 450 25
Tachometer * * .500:1 C 7 50 5
Tachometer * * * .500:1 CC 7 50 5
Vacuum Pump * * * * 1.333:1 C 100 800 25
Vacuum Pump * 1.219:1 C 200 800 25
Hydraulic Pump (B1A6) * * 1.250:1 C 100 800 25
Hydraulic Pump * 1.083:1 C 400 1,650 175
Propeller
Governor
* * * * * .801:1 C 125 825 25
Dual Drive
Generator 2.569:1 C 90 900 200
Hydraulic Pump 1.250:1 C 100 800 25
Tachometer .500:1 CC 7 50
"C" - Clockwise
"CC" - Counter-Clockwise
* Standard ** Optional
E-275 4
Engine Model
Rotation Maximum Maximum
Speed Facing Torque Overhang
Accessory G1A6 IGO-480 Ratio to Drive in. -lb. Moment
Drive F2D6 G1J6 G1H6 A1A6 A1B6 Cr ankshaft Pad Cont Static in. - lb.
Tachometer ** ** .500:1 CC 7 50
Starter 1.000:1 C 12,000 300
Starter * * * * * 1.000:1 C 3,000 80
Generator 2.600:1 C 500 2,200 400
Generator 1.250:1 C 175 1,800 200
Generator * 1.250:1 C 175 500 200
Generator * * 2.577:1 C 90 900 200
Generator 2.569:1 C 90 900 200
Alternator * 2.577:1 C 90 900 200
Fuel Pump * * * * * 1.000:1 C 50 450 10
Fuel Pump .803:1 CC 25 450 25
Tachometer * * * * * .500:1 C 7 50 5
Tachometer ** .500:1 CC 7 50 5
Vacuum Pump * * * * * 1.333:1 C 100 800 25
Vacuum Pump 1.219:1 C 200 800 25
Hydraulic Pump 1.250:1 C 100 800 25
Hydraulic Pump 1.083:1 C 400 1,650 175
Propeller
Governor
* * * * * .801:1 C 125 825 25
Dual Drive
Generator * 2.569:1 C 90 900 200
Hydraulic Pump * 1.250:1 C 100 800 25
Tachometer ** ** .500:1 CC 7 50
"C" - Clockwise
"CC" - Counter-Clockwise
* Standard
** Optional
NOTE 4. The above models incorporate additional characteristics as follows:
Models Wt. Dry, lbs. Carburetor* Ignition-dual+
GO-480, & B1 Designations changed to GO-480-A1A
and -B1B respectively.
GO-480-A1A 432 PS-7BD S6LN-20, -21 Basic model - six-cyl., horizontally-
(S6LN-50, -51) opposed, air cooled reduction gear drive
with SAE 20 spline propeller shaft.
GO-480-B 432 PS-5BD S6LN-20, S6LN-21 Same as -A1A except for (1.63 venturi)
carburetor and different magnetos.
GO-480-B1A6 432 PS-5BD S6LN-20, S6LN-21 Same as -B except has one 6th and five
3rd order counterweights.
GO-480-B1B 438 PS-5BD S6LN-50, S6LN-51 Sa me as -B excepting magnetos and has
1.250:1 generator drive.
GO-480-B1C 435 PS-5BD S6LN-20, S6LN-21 Same as -B except has dual generator and
vacuum pump drive.
GO-480-B1D 432 PS-5BD S6LN-20, S6LN-21 Same as -B1B excepting magnetos.
+TCM formerly Bendix
*PAC formerly Bendix
5 E-275
Models Wt. Dry, lbs. Carburetor* Ignition-dual+
GO-480-C1B6 464 PS-5BD S6LN-20, S6RN-21 Same as -A1A except has high
compression ratio, pwr. increase, dry
sump, crosswise accessories and different
carburetor.
GO-480-C1D6 438 PS-5BD S6LN-20, S6LN-21 Same as -B1D except has high
compression ratio and 1.75 venturi
carburetor.
GO-480-C2C6 448 PS-5BD S6LN-50, S6LN-51 Similar to -C1B6 has high compression
ratio, pwr. increase, wet sump, flanged
type propeller shaft, 4-7/8" OD with 4"
dia. bolt circle.
GO-480-C2D6 442 PS-5BD S6LN-20, S6LN-21 Same as -C2C6 except for magnetos.
GO-480-C2E6 437 PS-5BD S6LN-20, S6LN-21 Same as -C2D6 except has provisions for
high speed generator drive.
GO-480-C3A6 432 PS-7BD S6LN-20, -21 Same as -A1A except has high
(S6LN-50, -51) compression ratio, pwr. increase, wet
sump and integral type reduction gear.
GO-480-D1A 454 PS-5BD S6LN-20, S6RN-21 Same as -B except has dry sump,
crosswise accessories and increased
ratings (1.75 venturi).
GO-480-E1A6 458 PS-5BD S6LN-20, S6LN-21 Same as -B1C except has integral type
reduction gear and increased rating.
GO-480-F6 442 PS-5BD S6LN-50, S6LN-51 Similar to -B1B except has flange type
propeller shaft 4-7/8", OD with 4" dia.
bolt circle and increased ratings (1.75
venturi).
GO-480-F1A6 436 PS-5BD S6LN-20, S6LN-21 Same as -F6 except for magnetos.
GO-480-F2A6 436 PS-5BD S6LN-20, S6LN-21 Same as -F1A6 except has 20 spline
propeller shaft with single acting oil
supply system.
GO-480-F2D6 439 PS-5BD S6LN-20, S6LN-21 Similar to -G1D6 except has cylinder
head assemblies incorporating Ni-Resist
valve guides, inconel exhaust valves and
provisions for long reach spark plugs and
7.3:1 compression pistons. Has 1.75 in.
venturi and 20 spline propeller shaft.
GO-480-F3A6 441 PS-5BD S6LN-20, S6LN-21 Same as -C2D6 except has low
compression ratio and reduced ratings.
GO-480-F3B6 447 PS-5BD S6LN-50, S6LN-51 Same as -C2C6 except has low
compression ratio and reduced ratings.
GO-480-F4A6 436 PS-5BD S6LN-20, S6LN-21 Same as -F1A6 except has provisions for
single propeller oil supply.
GO-480-F4B6 442 PS-5BD S6LN-50, S6LN-51 Same as -F6 except has provisions for
single propeller oil supply.
+TCM formerly Bendix
*PAC formerly Bendix
E-275 6
Models Wt. Dry, lbs. Carburetor* Ignition-dual+
GO-480-G1A6 446 PS-5BD S6LN-20, S6LN-21 Same as -C1D6 except accessory section
similar to -B1A6 with high speed
generator drive and piston cooling oil jets.
GO-480-G1B6 464 PS-5BD S6LN-20, S6RN-21 Same as -C1B6 except incorporates
piston cooling oil jets.
GO-480-G1D6 444 PS-5BD S6LN-20, S6LN-21 Same as -C1D6 except incorporates
piston cooling oil jets.
GO-480-G1H6 442 PS-5BD S6LN-20, S6LN-21 Similar to -G1D6 except has dual
hydraulic pump high speed angle
generator drive.
GO-480-G1J6 448 PS-5BD S6LN-1209, S6LN-1227 Same as -G1A6 for incorporation of
TCM+ 1200 series magnetos.
GO-480-G2D6 442 PS-5BD S6LN-20, S6LN-21 Same as -C2D6 except incorporates
piston cooling jets.
GO-480-G2F6 442 PS-5BD S6LN-204, S6LN-200 Same as -G2D6 excepting TCM+ 200
series magnetos.
IGO-480-A1A6 455 RSA-5AD1 S6LN-1209, S6LN-1227 Same as GO-480-G1J6 except
(Fuel injector) incorporates PAC* fuel injector.
IGO-480-A1B6 457 RSA-5AD1 S6LN-30, S6LN-21 Same as IGO-480-A1A6 except magnetos
(Fuel injector) are equipped with an alternator.
+TCM formerly Bendix
*PAC formerly Bendix
NOTE 5. Center of Gravity Location (dry)
GO-480 Models
-A1A,
-B1D,
-G1A6,
-G1J6
-B, -B1A6
-B1B
-B1C
-C1B6,
-D1A,
-G1B6
-C3A6,
-E1A6
-F6, -C2C6,
-F4B6,
-F3B6
From front face of thrust nut (in.) 19.43 19.37 19.58 19.56 20.33 20.21 21.02
From propeller shaft C.L. (in.) .50 below
.05 left
.27 below
.16 right
.47 below
.05 left
.18 below
.18 right
.39 above
.24 left
.73 below
.08 left
.50 below
.05 left
GO-480 Models
-F2A6,
-F1A6,
-F4A6
-C1D6
-G1H6
-C2D6,
-F3A6,
-C2E6,
-G2D6,
-G2F6
-F2D6,
-G1D6
IGO-480
-A1A6
Models
-A1B6
From front face of thrust nut (in.) 20.87 19.37 19.86 20.87 19.38 19.34 19.93
From propeller shaft C.L. (in.) .50 below
.05 left
.49 below
.05 right
.41 below
.03 left
.53 below
.05 right
.49 above
.05 left
.46 below
.04 left
.03 below
.16 left
NOTE 6. The figure "6" in the model designation indicates that the engine incorporates five 3rd order and one 6th order
torsional dampers. Engines not so designated have six 3rd order torsional vibration dampers.
NOTE 7. These engines incorporate provisions for absorbing pr opeller thrust in both tractor and pusher type installations.
NOTE 8. Engine Models GO-480-F1A6 or -F6 can be converted to Models GO-480-F4A6 or -F4B6 respectively, by field
conversion using Lycoming Kit No. 71619.
NOTE 9. Spark plugs: See latest revision of Lycomi ng Service Instruction No. 1042 for approved equipment.
.....END......