WX

Question 1

When is TO alternate needed?

Answer 1

-If VIS or RVR equivalent is below approach mins at departure airport.
-Must use derived mins when selecting airport.
-Must be w/in 1 hour, single engine, normal cruise, still air (300NM)

Question 2

When is destination alternate needed?

Answer 2

Always except 123. From 1 hour before to 1 hour after estimated time of arrival ceiling is less than 2000 feet and/or visibility is less than 3 SM. (123)

Question 3

Derived alternate mins - 1 operational navigational facility

Answer 3

+400 feet to HAT and +1 SM to approach visibility (400/1)

Question 4

Derived alternate mins - 2 operational navigational facilities

Answer 4

+200 feet to HIGHER HAT and 1/2 SM to HIGHER approach visibility (200/half)

Question 5

When is 2nd destination alternate required?

Answer 5

If marginal rule or exemption is used.

Question 6

Marginal Rule

Answer 6

• Always applied to WX at ETA for airport
• If destination airport ceiling OR visibility is forecast to be AT approach mins AND 1st alternate airport ceiling OR visibility is forecast to be AT DERIVED alternate mins, then 2nd alternate airport is required

Question 7

Exemption 17347

Answer 7

• Only for deciding 2nd alternate
• WX requirements may only be halved in the conditional statements of the TAF (PROB or TEMPO or BCMG)
• Main body WX must remain AT OR ABOVE approach mins or derived alternate mins
• At Destination: 1/2 approach VIS requirement may be used
• At 1st Alternate: 1/2 derived alternate mins CEILING AND VIS requirements may be used
• (Whole, half, half)

Question 8

For flights less than 1 hour, ___ is controlling.

Answer 8

Lowest, most conservative WX (either METAR or TAF)

Question 9

Define BURN

Answer 9

Fuel to Destination + 1 Instrument Approach at Destination

Question 10

What altitude is all reserve fuel calculations based on?

Answer 10

FL250 long range cruise

Question 11

Min alt fuel

Answer 11

1500lbs

Question 12

Min tanker fuel

Answer 12

330lbs and consists of 7 mins taxi blus 42 mins APU burn at gate

Question 13

Min reserve fuel

Answer 13

7 - 2100
9 - 2200

Question 14

Min contingency

Answer 14

7 - 937
9 - 1082
and includes missed approach fuel

Question 15

Define reserve

Answer 15

No less than 45 mins based on long range cruise power at FL250

Question 16

Define alternate

Answer 16

Fuel to most distant alternate

Question 17

Define contingency

Answer 17

Anticipated en route delays, possible missed approach at destination, and any other condition that may delay landing

Question 18

Define T/O fuel

Answer 18

Min fuel with which a flight can take the runway for departure (brake release fuel)

Question 19

Define tanker

Answer 19

Extra fuel which is over and above any required or anticipated fuel (deicing, ground delay, etc)

Question 20

Define taxi fuel

Answer 20

Historic value for departure city

Question 21

How is ramp fuel calculated?

Answer 21

T/O + tanker + taxi

Question 22

What is the min fuel at out time?

Answer 22

No less than T/O fuel + taxi fuel

Question 23

Normal cruise fuel burn?

Answer 23

3500-4000pph

Question 24

Holding fuel burn?

Answer 24

3000pph

Question 25

Taxi fuel burn?

Answer 25

1150pph both engines running

Question 26

APU fuel burn?

Answer 26

300pph

Question 27

High speed cruise fuel burn?

Answer 27

4500pph