Certification Memoranda (CM) Cat. 1

Issue 3 of the Certification Memorandum introduces specific guidance for cybersecurity

Issue 2 of the certification memo is not limited to European Light Aircraft

Applicable to Large Aeroplanes

“Non-Hazardous Features of Engine Critical Parts”

Applicable to Large Aeroplanes - NOTE: The CM reference has been corrected from reading “21.A-D-003” (incorrectly used for the publication of the proposed CM) to “21.A-D-004

Helicopter Night Vision Imaging Systems

Electrical Wiring Interconnection System (EWIS) during Engine Certification using CS-E

Incomplete Passenger Cabin

FLARM system installations in CS-23, CS 27 and CS-29 aircraft

Parts Detached from Aeroplanes

Interpretation to 21.A.3B(c)(1) and 21.A.103(a)(2)(i)

Approved Model List Changes

Evaluation of aisle width with respect to seat installations

Development Assurance of Airborne Electronic Hardware

The integrity of nickel powder metallurgy rotating critical parts for gas turbines

Certification, Type Design Definition, Material and Process Qualification for Composite Light Aircraft

Large Aeroplane Evacuation Certification Specifications – Cabin Crew Members Assumed to be On Board

Critical Parts – Lifing Shortfall

The integrity of nickel powder metallurgy rotating critical parts for gas turbines

Completeness and Timely Availability of Instructions for Continued Airworthiness

Engine Time Limited Dispatch (TLD) and Master Minimum Equipment List (MMEL)

Critical Parts – Lifing Shortfall

Determination of an Unsafe Condition for Risk of Rotorcraft Engine In-Flight Shut-Down (IFSD) and Power Loss

Large Aeroplane Evacuation Certification Specifications – Cabin Crew Members Assumed to be On Board

Safety considerations covering External Loads

Completeness and Timely Availability of Instructions for Continued Airworthiness

Additive manufacturing