App Procedures Flashcards
RVR is reported at
Touchdown - always reported here
Midpoint
Stop-end
Ground facilities - full
720m or more of high intensity/medium intensity app lights
R/y edge lights
T/hold lights and r/y end lights.
Lights must be on
Intermediate ground facilities
R/y markings 420-719m of high intensity/medium app lights R/y edge lights T/hold lights R/y end lights Lights must be on
Basic ground facilities
R/y markings <420m is high/medium intensity app lights - any length of low R/y edge lights T/hold lights R/y end lights Lights must be on
Nil ground facilities
R/y edge lights
T/hold lights
R/y end lights
Or no lights at all
System minima - lowest DH/MDH
ILS loc only = 250 VOR/DME = 250 SRA stopping at 1/2nm = 250 SRA stopping at 1nm = 300 NDB/DME = 300 SRA stopping at 2nm = 350 NDB = 350 VDF = 350
Precession app CAT minima
CAT 1 = DH not lower than 200 - need good visual to cont
CAT 2 = DH not lower than 200 but not lower than 100ft
CAT3 = DH not lower than 100t
RVR at which the r/y lights are switched on
800m
LVP are brought into force at
600m RVR -a/d brings them into force
Cloud ceiling is 200ft or less
RVR to be classed as a LVTO
400m RVR
ICAO = 550m
Req for auto l/d
2 rad alts - all callouts below 200ft done by this
2 a/p
CAT 1 req and visual req to cont past DH
DH not lower than 200ft and RVR not less than 550m
Visual ref - at least 3 consecutive lights of the centreline of the app lights or touch down lights
CAT 2 req
DH below 200ft but not lower than 100ft
RVR not less than 300m
CAT 3 req
A - DH lower than 100ft, RVR = 200m - 3 consecutive lights are req to be seen
B - DH lower than 100ft or no DH, RVR less than 200m but not less than 75 - with a DH - have to be able to see 1 centreline light
C - DH n/a
VM(c) req
MDH - Cat A = 400ft - goes up by 100 for each cat
Min met vis - cat A = 1500m
B - 1600
C - 2400
D - 3600