Wx Review

Question 1

Wx if only GFA available at airport

Answer 1

1. No cloud lower then 1000ft above lowest usable HAT/HAA
2. No CB’s
3. Vis 3sm or greater

Question 2

BECMG

Answer 2

1. If improving, end of period
2. If deteriorating, beginning of period
3. Not below published alt minima

Question 3

TEMPO or INTER

Answer 3

Shall not be below alt minima

Question 4

PROB

Answer 4

Shall not be below landing minima

Question 5

Aerodrome level of service (ALS) - for departure

Answer 5

Prior to pushback or starting engines without pushback: Aerodrome operating visibility must be greater for equal to ALS or intended runway (10-10pages)

Question 6

Aerodrome level of service (ALS) - for Taxi

Answer 6

Allowed if aerodrome operating visibility drops below ALS:
- after pushback commenced
- after taxi commenced during open ramp ops
- taxiing to or from de ice pad
- aircraft taxiing on maneuvering area for purpose other then takeoff or landing

Question 7

Visibility hierarchy (active or non active tower)

Answer 7

Active ATC
1. RVR for intended runway
2. Ground vis
3. As determined by POC

No active tower
1. Any reported RVR
2. Metar
3. As determined by PIC

Question 8

Take off Vis req (hierarchy)

Answer 8

1. RVR at or above for intended runway
2. Ground vis (if no RVR or RVR fluctuating or below mins due to localized phenomena
3. As determined by PIC (only when no RVR or ground vis)

Question 9

Take off alt req

Answer 9

1. Wx less then RVR 2600 or 1/2sm
2. Wx below landing minima (CATII/III minima cannot be used), take off alt must meet alternate mimits
3. Can use GNSS app only as long as FOM req met

Question 10

Low vis take off ident

Answer 10

Below 2600or 1/2sm crews shall visually ident runway marker or precise electronic means (loc, PBN based RUNWAY CENTRELINE, aircraft surface movements system)

No intersection with reduced vis ops unless standard practice for that runway