What is the minimum performance standard that a fuel flowmeter must meet to be eligible for ETSO-C44c marking?

The fuel flowmeter must meet the standards set forth in Appendix 1 to ETSO-C44c.

What software development requirement applies if a fuel flowmeter design includes a digital computer?

If the equipment design includes a digital computer, the software development requirements in CS-ETSO Subpart A paragraph 2.2 apply.

Where are the airborne electronic hardware requirements for fuel flowmeters specified under ETSO-C44c?

The airborne electronic hardware requirements are specified in CS-ETSO Subpart A paragraph 2.3.

What failure condition classification must be applied to fuel flowmeters under ETSO-C44c?

The failure condition classification must be applied as specified in CS-ETSO Subpart A paragraph 2.4.

Which marking requirements apply to fuel flowmeters under ETSO-C44c?

Marking must be done in accordance with CS-ETSO Subpart A paragraph 1.2.

How can the referenced documents for ETSO-C44c be obtained?

The availability of referenced documents is detailed in CS-ETSO Subpart A paragraph 3.

For fuel flowmeters manufactured on or after the date of ETSO-C44c, what is the applicability requirement for ETSO marking?

Fuel flowmeters manufactured on or after the date of this ETSO must meet the requirements in this ETSO to be identified with the applicable ETSO marking.

ETSO-C44c A1

Q: Which environmental test standards apply to fuel flowmeters under ETSO-C44c, and are there any exceptions?

The fuel flowmeter must be tested in accordance with SAE AS407C 'Fuel Flowmeters' from July 1, 2001, SAE AS1055D 'Fire Testing of Flexible Hose, Tube Assemblies, Coils, Fittings, and Similar System Components' (sections 4 and 5) from June 1997, and the applicable environmental test procedure specified by CS-ETSO Subpart A paragraph 2.1, unless otherwise specified by Appendix 1 to this ETSO.

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ETSO-C44c A1

ED Decision 2013/012/R

Fuel Flowmeters

1 Applicability

This ETSO gives the requirements which fuel flowmeters 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 Appendix 1.

3.1.2 Environmental standard

The Fuel Flowmeter must be tested in accordance with SAE AS407C “Fuel Flowmeters” from July 1, 2001, unless otherwise specified by Appendix 1 to this ETSO, SAE AS1055D “Fire Testing of Flexible Hose, Tube Assemblies, Coils, Fittings, and Similar System Components” (sections 4 and 5) from June 1997, and the applicable environmental test procedure as specified by paragraph 2.1 of CS-ETSO, Subpart A, unless otherwise specified by Appendix 1 to this ETSO.

3.1.3 Software

If the equipment design includes 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

3.2.1 Failure condition classification

See CS-ETSO, Subpart A, paragraph 2.4.

4 Marking

4.1 General

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

4.2 Specific

None.

5 Availability of referenced document

See CS-ETSO, Subpart A, paragraph 3.

[Amdt ETSO/3]

[Amdt ETSO/7]

[Amdt ETSO/8]

Details

Source-Title: ETSO-C44c A1 View latest amendments

Erulesid: ERULES-1963177438-18900 Compare versions

Domain: Initial airworthiness

Amendedby: Amendment 8

Applicabilitydate: 15 July, 2013

Entryintoforcedate: 15 July, 2013

Regulatorysource: ED Decision 2013/012/R Navigate

Regulatorysubject: CS-ETSO

Typeofcontent: CS (Certification specification)

Origin: EASA

Category: EAR

ETSO-C44c A1

Fuel Flowmeters

Details

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