IS Definitions Part 8 Flashcards
Visibility
Visibility for aeronautical purposes is the greater of:
Visual line of sight (VLOS) Operation
An operation in which the remote Pilot or RPA Observer maintains direct unaided visual contact with the remotely piloted aircraft.
Visual meteorological conditions
Meteorological conditions expressed in terms of visibility, distance from cloud, and ceiling, equal to or better than specific minima
VMC
The symbol used to designate visual meteorological conditions.
Aeronautical Fixed Service (AFS)
A telecommunication service between specified fixed points provided primarily for the safety of air navigation and for the regular, efficient and economical operation of air services.
Aeronautical fixed station
A station in the aeronautical fixed service
Aeronautical fixed telecommunication network (AFTN)
A worldwide system of aeronautical fixed circuits provided as a part of the aeronautical service, for the exchange of messages and/or digital data between aeronautical fixed stations having the same or compatible communications characteristics.
Location Indicator
A four letter code group formulated in accordance with rules prescribed by ICAO and assigned to the location of an aeronautical fixed station.
What is a Recommended Practice?
And specification for physical characteristics, configuration, material, performance, personnel or procedure, the uniform application of which is recognized as desirable in the interest of safety, regularity, or efficiency of international air navigation, and to which the contracting states should endeavor to conform in accordacnce with the Convention
What is a Standard?
Any specification for physical characteristics, configuration, amterial, performance, personnel or procedure, the uniform application of which is recognized as necessary for the safety or regularity of international air navigation and wo which Contracting states will conform in accordance with the convention, in the event of impossibility of compliance, notification to the Council is compulsory under article 38 of the Convention.
Broadcast
a transmission of information relating to, air navigation that is not addressed to a specific station or stations
holding bay
a defined area where aircraft can be held or bypassed to facilitate efficient surface movement of aircraft
Distress Phase
A situation wherein there is reasonable certainty that an aircraft and its occupants
are threatened by grave and imminent danger or require immediate assistance.
Alert Phase
a situation wherein apprehension exists as to the safety of an aircraft and its occupants
Incident
an occurence, other than an accident associated with the operation of an aircraft which affects or could affect the safety of operatio