Under CAT.IDE.A.105, when is a flight not allowed to commence if an aeroplane's instrument or equipment is inoperative?

A flight shall not be commenced when any of the aeroplane's instruments, items of equipment or functions required for the intended flight are inoperative or missing, unless the aeroplane is operated in accordance with the operator's MEL, or the operator is approved by the competent authority to operate within the constraints of the MMEL in accordance with ORO.MLR.105(j).

Does CAT.IDE.A.105 allow a flight to commence if a required instrument is missing but the operator has no MEL?

No, unless the operator is approved by the competent authority to operate within the constraints of the MMEL in accordance with ORO.MLR.105(j). Without such approval, the flight shall not be commenced.

CAT.IDE.A.105 Minimum equipment for flight

Q: What are the two exceptions that allow a flight to commence with inoperative equipment under CAT.IDE.A.105?

The two exceptions are: (a) the aeroplane is operated in accordance with the operator's MEL; or (b) the operator is approved by the competent authority to operate the aeroplane within the constraints of the master minimum equipment list (MMEL) in accordance with point ORO.MLR.105(j) of Annex III.

Q: If an operator is not using its MEL, what specific approval and reference are required to dispatch with inoperative equipment under CAT.IDE.A.105?

The operator must be approved by the competent authority to operate the aeroplane within the constraints of the master minimum equipment list (MMEL) in accordance with point ORO.MLR.105(j) of Annex III.

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CAT.IDE.A.105 Minimum equipment for flight

Regulation (EU) 2019/1384

A flight shall not be commenced when any of the aeroplane’s instruments, items of equipment or functions required for the intended flight are inoperative or missing, unless:

(a) the aeroplane is operated in accordance with the operator’s MEL; or

(b) the operator is approved by the competent authority to operate the aeroplane within the constraints of the master minimum equipment list (MMEL) in accordance with point ORO.MLR.105(j) of Annex III.

Details

Source-Title: CAT.IDE.A.105 Minimum equipment for flight View latest amendments

Erulesid: ERULES-1963177438-12428 Compare versions

Domain: Air operations

Applicabilitydate: 28 October, 2012

Entryintoforcedate: 28 October, 2012

Regulatorysource: Regulation (EU) 2019/1384 Navigate

Regulatorysubject: Part-CAT

Typeofcontent: IR (Implementing rule)

Origin: EASA

Category: EAR

CAT.IDE.A.105 Minimum equipment for flight

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