Low Vis Ops

Question 1

Minimum flap setting Low vis T/O

Answer 1

Flaps 5

Question 2

Can we T/O without HGS with RVR 125m

Answer 2

Yes, as long as it isn`t below 125m

Question 3

Low vis App and Ldg maximum wind components

Answer 3

Headwind: 25 kt
Crosswind: 15 kt
Tailwind: 10 kt

Question 4

Is autoland allowed with LE or TE device malfunctions?

Answer 4

No

Question 5

HGS glideslope angle limitations

Answer 5

2.51º to 3.00º

Question 6

Autoland glideslope angle limitations

Answer 6

2.50º to 3.25º

Question 7

Low vis T/O RVR

Answer 7

Refer to table in OM-A (LVTO Operating minima). Absolute lowest is 125m for TDZ, MID and Rollout

Question 8

Which RVR zone is controlling (Low vis Ldg)

Answer 8

Touchdown zone is always controlling
If reported and relevant, mid and rollout are also controlling. (approx 60kt)

Question 9

CAT 1 minima

Answer 9

RVR 550m
DH 200 feet

Question 10

CAT 2 minima

Answer 10

RVR 300m
DH 100 feet

Question 11

CAT 3 minima

Answer 11

RVR 200m
DH 50 feet

Question 12

When the visibility is below ____ m, instrument approach operations may only be conducted if RVR info is provided

Answer 12

800

Question 13

LVO not permitted under the following conditions

Answer 13

• reported windshear and or severe turbulence
• narrow runway
• RWCC 1 (poor) or less