# TCDS TC 156: Air Repair Inc.

- Type: Type certificate data sheet
- Status: Current
- Holder: Air Repair Inc.
- Revision: 1
- Revised: January 2, 2002
- Product: Engine
- Registered aircraft: 6, by the registry models matched to it (OpenAirDocs)
- Data sheet PDF: https://openairdocs.org/files/sha256/36/cb/36cb74a37c087fbcbaa960ea9d69bce6fcfaa76d86b51fa10834282bed573687
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4A68BEF3CAAA7C6186256BCF0041C9B1.0001
- Page: https://openairdocs.org/tcds/TC%20156

## Models (1)

As the data sheet lists them.

- L-5 Series

## 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. 1 1 1
DEPARTMENT OF TRANSPORTATION
FEDERAL AVIATION ADMINISTRATION
156
Revision 1
Jacobs
L-5 Series
January 2, 2002
TYPE CERTIFICATE DATA SHEET NO. 156
Engine models described herein conforming with this data sheet (which is part of Type Certificate No. 156) 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 provided they are installed, operated, and maintained as prescribed by the approved
manufacturer's manuals and other approved instructions.
Type Certificate Holder Air Repair, Inc.
920 Airport Service Road
Cleveland, Mississippi 38732
Type Certificate Holder Record: Air Repair, Inc. assumed ownership of this type certificate from Jacobs Service
                Company, 4305 Saturn Way, Chandler, Arizona  85334 on January 2, 2002.
Model L-5 L-5M L-5MB
Type 7RA Direct drive - - - - - - - -
Rating:
  Maximum Continuous, hp,
  rpm, at S.L. pressure altitude
285-2000-S.L. - - - - - - - -
  Take-off (5 minutes), hp,
   rpm at full throttle
285-2000 - - - - - - - -
Fuel (minimum octane
  aviation gasoline)
73 - - - - - - - -
Bore and stroke, in. 5.5 x 5.0 - - - - - - - -
Displacement, cu. in. 831 - - - - - - - -
Compression ratio 6: 1 - - - - - - - -
Weight (dry), lbs. 515 509 530
Propeller shaft, SAE No. 20 - - - - - - - -
Carburetion Stromberg NA-R7A - - - - - - - -
carburetor with 2-1/8 in.
venturi
Ignition, dual Bosch AFV or Scintilla Scintilla MN7-DF or Combination Scintilla
WL7A battery units  VMN7-DF magnetos  MN7-DF5 or VMN7-DF5
 magnetos and Scintilla
 WL7A or Bosch AFV
 battery unit
Ignition timing, degree BTC 30 - - - - - - - -
Spark plugs BG-4B2(S), 417(S), - - - - - - - -
Bendix 9BS2, 437J,
Champion M3-1S, RC-26S
C-27, C27S
NOTES 1,2,3,4,5 1,3,4,5 1,3,4,5
Certification basis Type Certificate No. 156

156 Page 2 of 3
Production basis None.  The manufacturer no longer holds a production certificate for engines under this type
certificate; therefore, each engine pr oduced subsequent to February 20, 1957, is subject to a
detailed inspection for workmanship and conformity with the approved data by an FAA
representative.  In addition, the engine must have a satisfactory run-in including at least five
hours at rated power and speed.  Upon satisfactory completion of the above, the representative
will tag the engine with Tag Form ACA-186.
NOTE 1. Maximum permissible cylinder head, barrel, and oil inlet temperature, 550 o F., 325oF., and 200oF.,
respectively.
NOTE 2 Includes L-5 engines, Nos. 1135, 1159, 1160, 1178, 1181, 1205, 1208, 1216, 1217, 1220, 1221, and 1271 
with the following rating:
Maximum continuous hp, rpm, at sea level pressure altitude 300-2125-S.L.
Take-off, hp, rpm, at full throttle 300-2125
NOTE 3. Engine dry weights listed above include starter drive, generator drive, one pump drive and the following:
Radio shielded ignition (standard equipment on later engines) 10 lbs.
Accessory drive unit – 1 pump drive (L-5MB only)  3 lbs.
Generator and control – 15 amp. (L-5 and L-5MB only 17 lbs.
NOTE 4. The following accessories are eligible for use on the specified engine model at the indicated additional or
substitute weights:
                                                                                                                                                        Engine Models
Weight (lbs) L-5 L-5M L-5MB
*Governor – Hamilton Standard hydraulic propeller governor Model 1A4 5 Yes - - - - - - - -
Oil transfer ring assembly – for propeller pitch control 7 Yes - - - - - - - -
Provision for automatic valve gear lubrication 7 Yes - - - - - - - -
Hydraulic pump – Pesco Model 320-F 2 Yes - - - - - - - -
Fuel pump – Romec Model C-28, C-16, F4RB, or Pesco R-400-BLH 2 Yes - - - - - - - -
Vacuum pump – Romec Type B-2A, Eclipse Types B-1 or B-2 4 Yes - - - - - - - -
Generator:
 Eclipse Type D, 25 amp., and control 26 Yes - - - - - - - -
 Eclipse Type LV-180, 15 amp., and control 17 Yes - - - - - - - -
 Eclipse Type G, 15 amp., and control 19  Yes - - - - - - - -
 Bosch LE/70-12 and control 12 Yes - - - - - - - -
Starter:
 Eclipse Type E-80 19 Yes - - - - - - - -
 Eclipse E-141 25 Yes - - - - - - - -
Accessory drive unit including:
 3 pump drives 6 Yes No Yes
 2 pump drives 5 Yes No Yes
 1 pump drive 3 Yes No Std.
Propeller hub (fixed pitch) 15 Yes - - - - - - - -
*All models are eligible for optional use of 2-position hydraulically controllable propeller when the control valve is used in lieu
of the constant speed governor.

Page 3 of 3 156
NOTE 5.  The following accessory drive provisions are available:
Drive
Direction of
Rotation Drive ratio
Maximum Torque
Continuous
Inch-Pounds
Static
Maximum Overhand
Moment Inch-Pounds
Starter CCL 1.5:1 - - - - 5500 100
Generator CCL 1.4:1 50 300 110
Fuel pump (rear
crankshaft)
CL 1:1 20 150 - - - -
Tachometer CCL .5:1 - - - - - - - - - - - -
*Vacuum pump CCL 1: 1 or .875:1 30 200 - - - -
*Propeller governor CCL 1:1
*Hydraulic pump CCL 1:1 or .875:1 30 200 - - - -
*Fuel pump CCL 1:1 30 200 - - - -
All directions of rotation are given facing engine drive flange.
*Accessories marked with an asterisk are mounted on accessory drive unit.
The total continuous torque taken off all the drives on the accessory drive unit should not exceed 70-inch pounds.
Overhang moment for drive pads are listed is not critical provided accessory weights listed in NOTE 4 are not exceeded.
...END.....
```

## ADs

None name its models.

## Registered aircraft by registry model (OpenAirDocs)

- [Jacobs L5](https://openairdocs.org/engine/jacobs-l5): 6 aircraft (registry code 35004)

## STCs approved under this data sheet (1)

- [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

---
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.
