Definitions

Term

Definition

Source

aeronautical data

A representation of aeronautical facts, concepts or instructions in a formalized manner suitable for communication, interpretation or processing.

ICAO Annex 15

aeronautical information

Information resulting from the assembly, analysis and formatting of aeronautical data.

ICAO Annex 15

Aeronautical Information Publication (AIP)

A publication issued by or with the authority of a State and containing aeronautical information of a lasting character essential to air navigation.

ICAO Annex 15

AIRAC

An acronym (aeronautical information regulation and control) signifying a system aimed at advanced notification, based on common effective dates, of circumstances that necessitate significant changes in operating practices.

ICAO Annex 15

confidence levelThe probability that the true value of a parameter is within a certain interval around the estimate of its value.
Note.— The interval is usually referred to as the accuracy of the estimate.
ICAO Annex 15
data integrity (assurance level)A degree of assurance that an aeronautical data and its value has not been lost or altered since the origination or authorized amendment.ICAO Annex 15

data product

Data set or data set series that conforms to a data product specification (ISO 19131*).

ICAO Annex 15

data product specification

Detailed description of a data set or data set series together with additional information that will enable it to be created, supplied to and used by another party (ISO 19131*).
Note.— A data product specification provides a description of the universe of discourse and a specification for mapping the universe of discourse to a data set. It may be used for production, sales, end-use or other purpose.

ICAO Annex 15

data set

Identifiable collection of data (ISO 19101*).

ICAO Annex 15

data set series

Collection of data sets sharing the same product specification (ISO 19115*).

ICAO Annex 15

data traceability

The degree that a system or a data product can provide a record of the changes made to that product and thereby enable an audit trail to be followed from the end-user to the originator.

ICAO Annex 15

ICAO data set

A data set outlined in ICAO Annex 15.

Note: The different forms of ICAO data sets are listed in ICAO Annex 15 5.3.1.1: 

a) AIP data set;
b) terrain data sets;
c) obstacle data sets;
d) aerodrome mapping data sets; and
e) instrument flight procedure data sets. 

-

metadata

Data about data (ISO 19115*).
Note.— A structured description of the content, quality, condition or other characteristics of data.

ICAO Annex 15

temporal reference system

Reference system against which time is measured

ISO 19115 (2003)

traceability

Ability to trace the history, application or location of that which is under consideration (ISO 9000*).
Note.— When considering product, traceability can relate to:
— the origin of materials and parts;
— the processing history; and
— the distribution and location of the product after delivery.

ICAO Annex 15