Performance Exam

Question 1

What is VLS after one stage of flap retraction?

Answer 1

1.23VS1G

Question 2

What is VLS at TO?

Answer 2

1.13VS1G

Question 3

What is VLS when clean?

Answer 3

1.28VS1G

Question 4

What is the maximum approach speed correction?

Answer 4

15kt.

Question 5

When is a runway contaminated?

Answer 5

When the runway is more than 25% covered with more than 3mm of contaminant.

Question 6

What is TREF?

Answer 6

ISA+29 (Highest value of flex).

Question 7

What is TMAX FLEX?

Answer 7

ISA+53 (Highest value of flex).

Question 8

What is the maximum additional thrust with flex?

Answer 8

25%.

Question 9

What counts as icing conditions?

Answer 9

10 degrees or less with visible moisture (1600m vis or less).

Question 10

When is engine anti-ice required for TO?

Answer 10

!0 degrees or less with visible moisture OR OVC008 or below.

Question 11

If environmental conditions change, what formulae can be used to adjust the flex?

Answer 11

EAI = -5 flex. QNH reduction = -1 flex per 2hPa.

Question 12

Performance calculations take into account what headwind and tailwind?

Answer 12

50% of headwind and 150% of tailwind.

Question 13

What is the minimum first climb gradient?

Answer 13

1.2% Gross.

Question 14

What is the minimum second climb gradient?

Answer 14

2.4% Gross.

Question 15

What is the glide distance?

Answer 15

2nm per 1000ft.

Question 16

What pitch should be targeted when gliding?

Answer 16

-4.5 to -2.5 degrees.

Question 17

What is the average fuel burn for a tight circuit?

Answer 17

400kg.

Question 18

What is the average fuel burn for an IFR circuit with an 8-10nm final?

Answer 18

600kg.

Question 19

What is the average fuel burn for a lengthy go around?

Answer 19

900-1000kg.