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ED Decision 2020/012/R

Regular update of CS-MMEL and CS-GEN-MMEL

CS-MMEL — Issue 2
CS-GEN-MMEL — Issue 2

The specific objective of this Decision is to introduce amendments to the Certification Specifications for Master Minimum Equipment List (CS-MMEL) and for the Generic Master Minimum Equipment List (CS-GEN-MMEL) following the selection of non-complex, non-controversial and mature subjects.  
In particular, this Decision introduces amendments to the following items:  
—           Item 1: A 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 the MMEL ITEMS GUIDANCE BOOK (CS-MMEL),  
—           Item 8: Editorial corrections to CS-MMEL, and 
—           Item 9: Update of CS-GEN-MMEL and CS-MMEL applicability. 
The amendments will contribute to updating CS-MMEL and CS-GEN-MMEL to reflect the state of the art of MMEL certification.