The specific objective of this Notice of Proposed Amendment (NPA) is to propose amendments to certification specifications for Master Minimum Equipment List (CS-MMEL) and for Generic Master Minimum Equipment List (CS-GEN-MMEL) following the selection of non-complex, non-controversial and mature subjects.
In particular, this NPA proposes amendments to the following items:
- Item 1: Generic safety methodology for the development of MMEL candidate items
- Item 2: Quantitative assessment criteria for aircraft certified against requirements other than CS 25/29.1309.
- Item 3: Engine time limited dispatch (TLD) update
- Item 4: Updated guidance for items involved in non-normal and emergency procedures
- Item 5: Clarification of the applicable MMEL operational suitability certification basis.
- Item 6: Additional and updated definitions
- Item 7: Updated and new items in MMEL ITEMS GUIDANCE BOOK (CS-MMEL)
- Item 8: Editorial corrections to CS-MMEL
- Item 9: Update of CS-GEN-MMEL and CS-MMEL applicability.
The proposed amendments are expected to contribute to updating CS-MMEL and CS-GEN-MMEL to reflect the state of the art of MMEL certification. Overall, this is expected to provide a moderate safety benefit, would have no social or environmental impacts, and is expected to provide some economic benefits by streamlining the certification process.
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