Which specific CS 29.903 paragraph is referenced in the fuel system independence requirement for Category A rotorcraft?

CS 29.903(b) is referenced in CS 29.953(a)(1).

What is the fuel system independence requirement for Category A rotorcraft?

For Category A rotorcraft, the fuel system must meet the requirements of CS 29.903(b), and unless other provisions are made to meet that requirement, the fuel system must allow fuel to be supplied to each engine through a system independent of those parts of each system supplying fuel to other engines.

For a multi-engine Category B rotorcraft, does each engine need its own separate fuel tank?

No, separate fuel tanks need not be provided for each engine for a multi-engine Category B rotorcraft, but the fuel system must meet the requirements of sub-paragraph (a)(2).

For a multi-engine Category B rotorcraft, what is the fuel system independence requirement?

Each fuel system for a multi-engine Category B rotorcraft must meet the requirements of sub-paragraph (a)(2), which requires that fuel be supplied to each engine through a system independent of those parts of each system supplying fuel to other engines, unless other provisions are made to meet CS 29.903(b).

CS 29.953 Fuel system independence

Q: What is the condition under which a Category A rotorcraft fuel system does not need to be independent for each engine?

Unless other provisions are made to meet the requirements of CS 29.903(b), the fuel system must allow fuel to be supplied to each engine through a system independent of those parts of each system supplying fuel to other engines.

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CS 29.953 Fuel system independence

ED Decision 2003/16/RM

(a) For Category A rotorcraft:

(1) The fuel system must meet the requirements of CS 29.903(b); and

(2) Unless other provisions are made to meet sub-paragraph (a)(1) , the fuel system must allow fuel to be supplied to each engine through a system independent of those parts of each system supplying fuel to other engines.

(b) Each fuel system for a multi-engine Category B rotorcraft must meet the requirements of sub-paragraph (a)(2). However, separate fuel tanks need not be provided for each engine.

Details

Source-Title: CS 29.953 Fuel system independence View latest amendments

Erulesid: ERULES-1963177438-5593 Compare versions

Domain: Initial airworthiness

Amendedby: Initial issue

Applicabilitydate: 14 November, 2003

Entryintoforcedate: 14 November, 2003

Regulatorysource: ED Decision 2003/16/RM Navigate

Regulatorysubject: CS-29

Typeofcontent: CS (Certification specification)

Origin: EASA

Category: EAR