ETSO-C56b A1

ENGINE-DRIVEN DIRECT CURRENT GENERATORS/STARTER-GENERATORS

1 Applicability

This ETSO gives the requirements which engine-driven direct current generators/startergenerators that are manufactured on or after the date of this ETSO must meet in order to be identified with the applicable ETSO marking.

2 Procedures

- 2.1 General

Applicable procedures are detailed in CS-ETSO, Subpart A.

- 2.2 Specific

None.

3 Technical conditions

- 3.1 Basic

3.1.1 Minimum performance standard

Standards set forth in the SAE Aerospace Standard (AS) document: AS8020, "Engine Driven D.C. Generators/Starter-Generators and Associated Voltage Regulators", dated January 1980 (and reaffirmed by SAE in August 1991).

3.1.2 Environmental standard

See CS-ETSO, Subpart A, paragraph 2.1.

3.1.3 Software

If the Engine Driven Direct Current Generator / Starter Generator and the associated voltage regulators include a digital computer, see CS-ETSO, Subpart A, Paragraph 2.2, for software development.

3.1.4 Airborne electronic hardware

See CS-ETSO, Subpart A, paragraph 2.3.

- 3.2 Specific

None.

4 Marking

- 4.1 General

Marking is detailed in CS-ETSO, Subpart A, paragraph 1.2.

4.2 Specific

In addition to the information specified in §4.1, the following information is required:

- (1) Means of indicating if the article is a D.C. generator or a D.C. starter-generator; - (2) Nominal power output (electrical voltage and watts); - (3) Mechanical power input requirements (pad requirements).

5 Availability of referenced document

See CS-ETSO, Subpart A, paragraph 3. [Amdt ETSO/3] [Amdt ETSO/8]