Name	Data Type	Definition
name	TextNameType	The official name of the contact.
title	TextNameType	The official title of the contact.

Association	Multiplicity	Role	To	Role description
hasAddress	0..*	address	PostalAddress	A postal address for the contact.
isOnline	0..*	networkNode	OnlineContact	A direct link for the contact, over a data communication network.
hasPhoneFax	0..*	phoneFax	TelephoneContact	A phone or fax number for the contact.
hasAnnotations	0..*	annotation	Note

From	Association	Multiplicity	Role	To	Role description
AirportHeliport	isContactedAt	0..*	contact	Contact details for the AirportHeliport (phone, postal address, e-mail, etc.)
UsageCondition	hasContactInstructions	0..*	contact	The contact information for a person or group.
RadarEquipment	has	0..*	contact	The contact information of the group or individual associated with the Radar Equipment.
Service	uses	0..*	groundCommunication	The point of contact on the ground for the service.
OrganisationAuthority	isContactedAt	0..*	contact	Contact details for the organisation (phone, postal address, e-mail, etc.)
Unit	isContactedAt	0..*	contact	Contact details for the unit (phone, postal address, e-mail, etc.)
FlightRestrictionRoute	hasContactInstructions	0..*	contact	The contact information of the relevant authority which can grant the permission for using the routing.

1 - Address , 1 - AirportHeliport , 1 - Flight Restrictions , 1 - OrganisationAuthority , 2 - Communication Channel , 2 - Surveillance Equipment , 3 - AirportHeliport Availability