Property	Value
A technical identifier, unique in a certain context. Technical key	`UK_CAA_BCAR`
The country a linked concept is active or generally relevant for. Country scope	GB (United Kingdom of Great Britain and Northern Ireland)
Language-specific name. Monolingual name	British Civil Airworthiness Requirements Approval Reference (en)
Language-specific short name. Monolingual short name	GB - BCAR Approval Reference (en)
Informal and comprehensive human-readable definition of a concept. Description	The BCAR approval reference identifies an organisation that the UK Civil Aviation Authority has approved under chapter A8 of Section A of the British Civil Airworthiness Requirements (BCAR), the national rules for organisations that design, produce, inspect or maintain aircraft and parts outside the Part-21 and Part-145 approvals, for example under BCAR A8-15, A8-21, A8-23, A8-24 or A8-25. It consists of the letters AI, AD, DAI or AMR, a sequence number and, except for AMR, a two-digit suffix, for example AI/10070/15 or AMR/179. The UK Civil Aviation Authority lists it with the approved organisation, and customers quote it to check that a supplier holds the national approval.
Category of business identifiers. Identifier category	Identification Number

Formal definition

Details	Informal and comprehensive human-readable definition of a concept. Description	The type in terms of a categorization of regular expressions. Regular expression type	TThe formal expression of a regular expression. Regular expression
Regular expression/UK CAA BCAR/format	Validates the format of the BCAR approval reference of the UK Civil Aviation Authority. The pattern accepts AI, AD or DAI, a slash, four or five digits, a slash and two digits, or AMR, a slash and three or four digits, for example AI/10070/15, AD/2069/09, DAI/9971/20 or AMR/179.	`IDENTIFIER_FORMAT`	`^(?:(?:AI\|AD\|DAI)/\d{4,5}/\d{2}\|AMR/\d{3,4})$`

Data quality rules