TermAirlineIataThreeNumeric Code??
Business termIATA Three-Numeric Airline Code
DescriptionA numeric code identifying an Airline, 3 digits, assigned by IATA.
Allowed values

'000' - '999'

Comments

See additional information below.

StatusProposal
XML typestring (3)
Equivalent termsAIRM: "" 
AIDM: ""
FIXM: "" https://fixm.aero/releases/EURO_Ext-1.0/Europe_A-CDM_FIXM_Extension_v1.0_CM_D.pdf

Additional information

From: http://www.iata.org/services/Documents/codes-3-numeric-form.pdf