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409
6 – i ndex
definitions
significant deviations fromnominal flight path includingdeviations
from the terms of their air traffic control clearances.
Note: Someapplicationsmay requirea specific technology e.g.
radar, to support the functionof flight pathmonitoring.
FlightVisibility:
The visibility forward from the cockpit of anaircraft in
flight.
Forecast:
A statement of expectedmeteorological conditions for a
specifiedperiod, and for a specified areaor portionof airspace.
Formation:
Twoormore aircraft flown in closeproximity to eachother
andoperating as a single aircraftwith regard tonavigation, position
reporting and control.
Note: Refer toCAR 163AA for conditions underwhich formation
flightmaybeundertaken.
FullEmergency (InthecontextofAerodromeEmergency
Plans):
A situation inwhich the responseof all agencies involved in
theAerodromeEmergencyPlanwill be activated. A Full Emergency
will bedeclaredwhen an aircraft approaching the airport is knownor
suspected tobe in such trouble that there is danger of anaccident.
GlidePath (GP):
Adescent profiledetermined for vertical guidance
during afinal approach.
GlobalNavigationSatelliteSystem (GNSS):
A satellite-based
radionavigation system that uses signals fromorbiting satellites to
determinepreciseposition and time.
GlobalPositioningSystem (GPS):
AGNSS constellationoperated
by theUnitedStatesGovernment.
GrossWeight:
Theweight of theaircraft togetherwith theweight of
all persons andgoods (including fuel) onboard theaircraft at that
time.
GroundBasedNavigationAid:
meansNDB, VOR, DME.
GroundTaxiing:
Themovement of ahelicopter under its ownpower
andon its undercarriagewheels.
GroundVisibility:
The visibility at an aerodrome, as reportedbyan
accreditedobserver.