Glossary of Terms
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Training conducted under special curricula and supervision approved by a Contracting State.
Approved training organization
An organization approved by and operating under the supervision of a Contracting State in accordance with the requirements of Annex 1 to perform approved training.
“apron” means a defined area at a land aerodrome intended to accommodate aircraft for the
APV – Approach Procedure with Vertical guidance. This term is used for RNP APCH operations that include vertical. guidance. That is, those flown to LNAV/VNAV or LPV minima.
Area control centre
“area control centre” (ACC) means a unit established by the appropriate ATS authority to provide
Area control service
“area control service” means air traffic control service for controlled flights in control
Area navigation route
“area navigation route” means an ATS route established by the appropriate ATS authority
Arrival routes. Routes identified in an instrument approach procedure by which aircraft may proceed from the en-route phase
Accelerate-stop distance available (ASDA). The length of the take-off run available plus the length of stopway, if provided.