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General terms of air navigation services

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General terms of air navigation services 2019 (pdf) for air carriers and other aircraft operators including air traffic charge.

Definitions

Air carrier
A company operating air services with a valid operator’s certificate or equivalent document

Airport operating hours
ATS unit operating hours published by Finavia for each airport.

ATC
Air Traffic Control. The purpose of air traffic control service is to prevent collisions between aircraft and in the manoeuvring area between aircraft and obstructions, and to expedite and maintain an orderly flow of air traffic.

ATS
Air Traffic Service. A generic term meaning variously, flight information service, alerting service, air traffic
advisory service, air traffic control service (area control service, approach control service or aerodrome control service).

AFIS
Aerodrome Flight Information Service. The purpose of AFIS is to provide information necessary for flight safety
to aircraft operating at an uncontrolled aerodrome.

Certified noise levels
Noise levels in accordance with the aircraft noise certificate, measured at sideline, take off and
approach noise measurement points as determined in Annex 16 to the Chicago convention (ICAO Annex 16).

Commercial air service
An air service performed by aircraft for the transport of passengers, cargo or mail for
remuneration or hire.

Customer
Air carrier or other aircraft operator.

Estimated off-block time
(EOBT) The estimated time at which the aircraft will commence movement associated with
departure.

GAT flights
(General air traffic) All flights conducted in accordance with the rules and procedures of ICAO.

International air service
An air service crossing a state border. An aircraft operated in international charter services shall
be considered to be operating international air services also when flying collecting flights between domestic airports.

Landing
An aircraft landing or touch-and-go landing (TGL)

Landing time
The time recorded by air traffic control or flight information services or entered in the aircraft flight log, at which the aircraft lands on the runway.

Maximum certificated take-off weight (MTOW)
The maximum allowed and registered take-off weight of the aircraft, which
must be reported in a noise certificate. If the aircraft has a variable maximum take-off weight or several registered maximum take-off weights, only the highest registered MTOW will be considered.

Off-block time
(OBT) The time at which the aircraft commences movement associated with departure.

Parking time
The time during which an aircraft is parked at the stand assigned to it.

Service provider
Air Navigation Services Finland Oy

Take-off time
The time recorded by air traffic control or flight information services or entered in the aircraft flight log, at which the aircraft takes off from the runway.