core + attic (Attic Area): these terms have been either deprecated from the core or extentions, or removed from pending as not accepted into the full vocabulary.

iataCode

Canonical URL: http://schema.org/iataCode

Thing > Property > iataCode

IATA identifier for an airline or airport.

Usage: Between 10 and 100 domains
Values expected to be one of these types
Text
Used on these types
Airline
Airport

Schema Version 3.3