426 / 476
416
6 – i ndex
Meteorological Information:
Meteorological report, analysis,
forecast, and anyother statement relating toexistingor expected
meteorological conditions.
MeteorologicalOffice (MO):
Anofficedesignated toprovide
meteorological service for air navigation.
MeteorologicalWarning:
A statement ormeteorological report
of theoccurrenceor expectationof adeteriorationor improvement
inmeteorological conditions or of anymeteorological phenomenon
whichmay seriously affect the safeoperationof aircraft.
MinimumAltitude:
Theminimumaltitude for aparticular instrument
approachprocedure is the altitude specifiedbyAIPDAP atwhichan
aircraft shall discontinue an instrument approachunless continual
visual reference to thegroundorwater has been establishedand
groundvisibility is equal toor greater than that specifiedby theDAP
for landing.
Note: Applies to ‘old’ type instrument approach charts.
MinimumDescentAltitude (MDA):
A specifiedaltitude inanon-
precision runwayor circling approachbelowwhichdescentmaynot
bemadewithout visual reference.
Note: Applies to ‘new’ type instrument approach charts.
Minimum Fuel:
The termused todescribe a situation inwhich an
aircraft’s fuel supplyhas reached a statewhere littleor nodelay can
beaccepted.
Note: This isnot anemergency situationbutmerely indicates that an
emergency situation is possible, should anyunduedelay
occur.
MinimumSectorAltitude (MSA):
The lowest altitudewhichmay
beusedwhichwill provideaminimum clearanceof 1000 ft above all
objects located in an area containedwithin a sector of a circleof 25
nmor 10nm radius centredon a radio aid tonavigationor, where
there is no radionavigation aid, theAerodromeReferencePoint.
MinimumVectorAltitude:
The lowest altitudewhicha controller
mayassign to apilot inaccordancewith theRadar TerrainClearance
chart.
definitions