All Weather Operations Flashcards
who established the operating minima for each aerodrome
Operator
Full ground facilities
Runway markings
720m of more of;
HI/MI app / runway edge / threshold / runway end lights
Intermediate ground facilities
Runway markings
420-719m of;
HI/MI approach / runway edge / threshold / runway end lights
Basic ground facilities
Runway markings
<420m of
HI/MI approach Lighrs
Any length LI approach / runway edge / threshold / runway end lights
Nil ground facilities
Runway markings
Runway edge lights
Threshold lights
Runway end lights
Or no lights at all
What must a automatic landing system have
2 independent autopilots
2 RADalts
Airport equipment must be calibrated
Correct lighting and markings
Both crew low vis qualified
CAT 1
DH >200ft
RVR > 550m
At least 3 consecutive centre line of of approach lights
Or
Touch down done lights / centre like lights / runway lights
Or
Combination of both
CAT 2
DH 100-200ft
RVR >300m
Cat 3
A:
DH <100ft
RVR >200m
B:
DH <100ft
RVR 75-200m
C:
No DH or RVR
Min descent height and vis for aeroplane category A
400ft
1500m
Min descent height and vis for aeroplane category B
500ft
1600m
Min descent height and vis for aeroplane category C
600ft
2400m
Min descent height and vis for aeroplane category D
700ft
3600m
Min RVR for a visual approach class A aircraft
800m
Low vis procedures in operation when?
Activated by aerodrome
Cat 2/3
Ceiling <200ft
RVR <600m