N
NDT Association
An Association specifically for organisations having Non-Destructive Testing capability. Equivalent Terms: AINDT, ASNDT, CSWIP
National Aviation Authority (NAA)
The regulatory authority that governs civil aviation within a state
See Regulatory Authority.
Equivalent Terms: Civil Aviation Authority (CAA)
Examples: CAA, FAA, DGAC, CASA
Note: within this manual, use of the term “Authority” has the same meaning as National Aviation Authority of the State of the Operator.
National Civil Aviation Security Programme
The documented programme of a State for safeguarding civil aviation operations against acts of unlawful interference through regulations practices and procedures that take into account the safety, regularity and efficiency of flights.
 

Navigation Data Integrity
The degree of assurance that an aeronautical data element retrieved from a storage system has not been corrupted or lost while residing in a specified aeronautical data processing chain.

New (Maintenance Reference)
A product, accessory, component, part or material that has no operating time or cycles. Equivalent Terms: Unused

Nominated Post Holder
An individual, acceptable to the Authority, who is responsible for the management and supervision of a specified area of operations, which may include:
ƒ flight operations;
ƒ maintenance;
ƒ crew training;
ƒ ground operations.