.
see also: flight service station (FSS)

Fr: centre d’information de vol
(2) ICAO: A unit established to provide flight information service and alerting service.
. abbreviation: FIC
Fr: centre d’information de vol
flight information region An airspace of defined dimensions extending upwards from the surface of the earth within which flight information service (FIS) and alerting service are provided.
. abbreviation: FIR
Fr: région d’information de vol
flight information service
A service consisting of the following:
(a)
the dissemination of aviation weather information and aeronautical information for departure, destination and alternate aerodromes along a proposed route of flight;

(b)
the dissemination of aviation weather information and aeronautical information to aircraft in flight;

(c)
the acceptance, processing and activation of flight plans (FP) and flight itineraries, amendments to FPs and flight itineraries, and cancellations of FPs and flight itineraries;

(d)
the exchange of FP information with domestic or foreign governments or agencies or foreign ATS units; and

(e)
the provision of known information concerning ground and air traffic. 

. abbreviation: FIS
Fr: service d’information de vol
flight information service en route The provision and receipt by a flight information centre (FIC) of information pertinent to the en route phase of flight.
. abbreviation: FISE
Fr: service d’information de vol en route
flight inspection
The operation of an aircraft for the purpose of 
(a)
calibrating air NAVAIDs; 

(b)
monitoring or evaluating the performance of air NAVAIDs; or