B777 Low Vis Landings Flashcards
If a single APFD channel fails.
AP is no longer Fail Operational
NO LAND 3
Use Cat 3A
Minimum Autobrake setting for Autoland?
2
Minimum runway length and width for Autoland
2200 x 45
On CAT IIIB only
At 200 RA
PM calls?
PM:”Alert Height”
PF:”Landing/Go Around”
Approach Ban Point
1000 AAL (Aus) FAF (USA)
USA
CAT IIIB
Single RVR inop
Ok. But remaining are controlling
USA
CAT IIIA
End RVR
Advisory only
USA
CAT II
Only TDZ RVR
Min 1600 ft
USA
CAT II
End RVR u/s
Mid RVR 1200 ft required
HIALS required for CAT IIIB?
Nope
C/L lights
Red/white
Last ___ m?
900 m
Runway edge
All Amber
Last ___ m
600 m /2000 ft
C/L lights
All red
Last ___ m
300 m
Runway End Approaching
900 m = CL red/white
600 m = Edge Amber
300 m = CL red
Low Vis
Visual Ref at Min
3 consecutive lights
1 Lateral element
Cat 3B visual Ref
1 c/l light
None if no DH
Cat 3A
LAND 2
Visual Ref
3 consecutive:
• HIAL • tdz • CL • RE • or combination
LAND 3
No AUTO THROTTLE
Cat IIIA only
LAND 3
SGL SOURCE DISPLAYS
CAT I only
LAND 2
CAT IIIA
CAT 3B
If Auto Throttle fails below Alert Height
Go Around
Caution Light/Beeper below Alert Height
and Not Visual
Mandatory Go Around
Below 200 ft on approach. Go Around if LLZ/GS limits reached
LLZ 1/4 dot
|| <>| ||
GS 1 dot
SA Cat 1
DA 150 ft
450m/125m/75m
Cat II
DA 100 ft
300m/125m/75m
TDZ reqd. Can lose 1 other
SA Cat II
DA 100 ft
400m/125/75
TDZ reqd. Can lose 1 other
Cat IIIA
DH 50 ft
175m/125/75
All RVR reqd exc fail op can lose 1
Cat IIIB
No DH
75m/75/75
All RVR reqd exc fail op can lose 1
Autoland in LVO
Crosswind/Downwind
<200 10kt XW
200-350 = 15kt XW
DW 10 kt
ICAO ILS Classifications
Class 1 = Cat 1
Class 2 = Cat 2
Class 3 = Cat 3
ICAO ILS Classifications
Second letter
AP disconnect
A: 4nm before THR B: 1050m before THR C: G/P 100 ft above T: 15m abv THR D: 4m abv, 900m past E: 4m abv, 600m before END
ICAO ILS Classifications
Third character
Integrity/Continuity
1 & 2: Cat 1
3: Cat II & IIIA
4: Cat II, IIIA, IIIB
LVOPs
Standard Calls
IAS
+10/-5kt
“SPEED”
LVOPs
Standard Calls
ROD
> 1000 fpm
“SINK RATE”
LVOPs
Standard Calls
Localiser
1/4 Dot
“LOCALISER”
LVOPs
Standard Calls
Glideslope
1 Dot
“GLIDESLOPE”
If No Flare
Boeing does not require a Go Around.
At 1500 ft
ASA is updated
LAND 3/2
NO AUTOLAND
Localiser Expanded Scale
Full Scale Deflection
1/2 Dot
Autoland
REQUIRED EQUIP
2xPFD (Sep graphic gen)
Sep: Alt, RA, ILS, ASA, AT (3B)
Autoland
Complete Memory Items
By 1000 ft otherwise wait til landed
ABP
1000 ft or OM/GS Intercept
Autoland
BELOW ALERT HEIGHT
GO AROUND
N)o Autoland .
A)utopilot .
S)peedbrake Ext
A)T Disconnect .
Autoland
Downgrade
NO LAND 3/LAND 2
CAT 3A
Autoland
Downgrade
A/T Disconnect
CAT 3A
Autoland
Downgrade
NO AUTOLAND
CAT 1
Autoland
Downgrade
NO AUTOPILOT
CAT 1
Autoland
Downgrade
SGL SOURCE DISP
CAT 1
Autoland
Continue
SPEEDBRAKE EXTENDED
Stow
Autoland
Continue
No Auto Callouts
Autoland
Continue
ILS Deviation
