11. All Weather Operations Flashcards
See also
Flight Procedures seperate subject
LVTO RVR<200
Minimum Experience
Capt: 100
FO: 50
On type with Virgin
<200 RVR
XW: 10kt
RVR: 150/150/150
RVR: 200-550
XW: 15 kt
Non ATC or outside ATC hours
Min RV:
Day: 550m
Ngt: 800m
Visibility Assessment
350m or greater
Pilot must count lights. 6 lights
LVTO Considerations
Quals/Recency
LV Ops/Lighting/DDG
Wx/DEP ALT/Fuel+
Briefing
< Cat 1 Landing
Minimum Experience
Capt 100 on type
FO 50 on type
Approved Autoland Runways
VAI-FOD-318
CAT 1 SA
Min RVR
450/125/75
(*If reported)
(MID can substitute TDZ)
CAT II
Min RVR
DA:100 300*/125/75
*Reqd. Can omit 1 other
CAT II
Some US req MM ilo RA. May land if AP fails after DH
CAT II SA
Used if some App Lighting u/s
DA: 100 400/125/75
Cat III
3A DH: 50 175/125/75
3B no DH 75/75/75
(One may be u/s if Fail Operational)
LLZ Limits
Below 200 RA
• LLZ: 1/4 dot;
| <>| |
• G/S: 1 dot
For LV Approaches
Braking must be MEDIUM or better.
VISUAL REFERENCE
Lon =App CL/TDZL/CLL or Combination;
Lat=ApXbar/THR/TDZ
Cat I-II SA: 3 lon 1 lat
CAT III with DH:
failO: 1 CL, failP 3 Lon
Cat III no DH: nil
LV APP
Wind Limits
RVR < 200
XW: 10 kts
DW: 10 kts
LV APP
Wind Limits
RVR >= 200
XW: 15 kts
DW: 10 kts
LV Approach
FAILURES
- Continue;
- Revert (>1000’);
- GO-Around
Autoland Performance APPROACH Requirements
500’-flare: • ias +/-5
• no system failure.
300’-DH: • No significant deviation
Autoland Performance LANDING Requirements
- No system/flare fail
- In TDZ •Nose 8m CL
- Bank 7deg •Tail clear
- Rollout ok w/in 8 m CL
ILS CLASSIFICATION
(Eg: CLASS III/E/3)
1. PERFORMANCE CATEGORY
- Class I = Cat 1;
- Class II = Cat 2;
- Class III = Cat 3.
ILS CLASSIFICATION
(Eg: CLASS III/A/3)
2. LATEST AP DISC
A) 4nm before THR
ILS CLASSIFICATION
(Eg: CLASS III/B/3)
2. LATEST AP DISC
B) 1050 m before THR
ILS CLASSIFICATION
(Eg: CLASS III/C/3)
2. LATEST AP DISC
C) GP Altitude, 100’ above THR
ILS CLASSIFICATION
(Eg: CLASS III/T/3)
2. LATEST AP DISC
T) ILS reference point, 15m above THR on CL
ILS CLASSIFICATION
(Eg: CLASS III/D/3)
2. LATEST AP DISC
D) On CL, 12’ above and 900m after THR
ILS CLASSIFICATION
(Eg: CLASS III/E/3)
2. LATEST AP DISC
E) On CL, 12’ above THR and 600m before RWY End
ILS CLASSIFICATION
(Eg: CLASS III/E/3)
3. INTEGRITY LEVEL
- 1 and 2 = Cat 1;
- 3 = Cat 2/3A
- 4 = Cat 2/3A/3B.
If failure of a ground equipment component late in approach…
May continue Approach having considered the failure.
Failed Equipment Landing Minima Effect
A1 Table 11.3-6
FAILED EQUIPMENT EFFECT:
OM Failure
Replace with other height check
FAILED EQUIPMENT EFFECT:
TDZ RVR Fail
- Cat 1 or
* Cat 3B mid/end
FAILED EQUIPMENT EFFECT:
RWY EDGE LIGHTS
DAY: Nil;
NIGHT: 3A: 550m
NIGHT: 3B: no effect
FAILED EQUIPMENT EFFECT:
STBY ILS TXR
Cat 1-3A: No effect
Cat 3B DH: 200 RVR
Cat 3B no DH: u/s!
Cat 1 Manual Approaches
Min VISIBILITY
1000 m
B777 Flight Parameter Deviations
IAS +10/-5 from Vref
“SPEED”
B777 Flight Parameter Deviations
Pitch Att 5 up/2 down
“PITCH”
B777 Flight Parameter Deviations
Bank Angle 7 degrees
“BANK”
DOWNGRADE
Above Alert Height
CAT 3 to Cat 2
- EICAS C/L done;
- RVR Cat 2;
- Briefed new DH;
- LAND 2 or LAND 3.
DOWNGRADE
Above Alert Height
CAT 2 to Cat 1
- EICAS C/L done;
- At least one FD;
- Cat 1 RVR;
- Briefed Cat 1 Min.
Below Alert Height
GO-AROUND for:
“N.A.S.A.”
- AP DISC/CAUTION;
- A/T DISC-Cat 3B;
- NO AUTOLAND;
- Dev Alert • SpdBrk.
Avoid Thunderstorms
- 5000 above;
- 5nm TO/app/Ldg
- 20nm >FL200;
- 10nm below.
