Air NZ Tech Exam

Question 1

What situation gives the lowest MCrit.

Answer 1

High altitude, low temperature

Question 2

What speed can you exceed?

Answer 2

Vno

Question 3

What is Mach Number?

Answer 3

TAS relative to LSS with atmospheric conditions applied

Question 4

Climbing at a constant speed your limiting speed will eventually be?

Answer 4

MMO

Question 5

When is total drag at min?

Answer 5

When parasite and induced drag are equal.

Question 6

What altitude does the temperature pause and what temperature is that?

Answer 6

FL360 at 56.5degrees

Question 7

How long does a trend forecast last?

Answer 7

2 hours

Question 8

What stage of a thunderstorm has the most ice and turbulence?

Answer 8

The mature stage

Question 9

What temperatures is icing the worst?

Answer 9

0-10 degrees

Question 10

If you depart an airport you can’t go back to how far away must an alternate be?

Answer 10

90 mins for two engines
60 mins for single engine cruise speed

Question 11

Minimum AoB missed approach?

Answer 11

15 degrees

Question 12

Who is responsible for separation on a visual approach?

Answer 12

ATC

Question 13

How many seats define part 121?

Answer 13

30

Question 14

How far apart are centreline lights

Answer 14

15m

Question 15

DG Achronym

Answer 15

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Question 16

Radio failure procedure/

Answer 16

Squark 7600, fly to aid, descend in hold, fly approach.

Question 17

How much distance does the lead radial give turning onto the arc?

Answer 17

2NM

Question 18

What instrument is PUDSUC for?

Answer 18

ASI only

Question 19

What errors do a mach meter suffer from?

Answer 19

Instrument and position error

Question 20

What errors do mach meters not suffer from?

Answer 20

Density/Compresibility Error
Pressure Error

Question 21

On a 3 spool turbine engine what is N1

Answer 21

The compressor

Question 22

What does a swept wing do to MCrit and Stability?

Answer 22

Increase MCrit.
Decrease Stability

Question 23

As a cold front passes what does your altimeter do?

Answer 23

Decrease in pressure as front approaches
Increase in pressure on passage of front

Question 24

What temp is lightening most likely to occur

Answer 24

-15 to -25

Question 25

True altitude calculation?

Answer 25

4ft/1,000ft deviation from ISA

Question 26

How to regulate AC Current?

Answer 26

Constant Speed Drive

Question 27

What does a constant speed drive to?

Answer 27

Maintains steady current despite varying inputs

Question 28

If a GPS enters DR mode how long do you have to tell ATC

Answer 28

1 Minute

Question 29

Why do we heat fuel?

Answer 29

Stop fuel waxing and to stop water in fuel from freezing

Question 30

What is the primary reason for sweepback?

Answer 30

To increase MCrit

Question 31

What assists longitudinal stability?

Answer 31

Tailplane

Question 32

What assists Lateral Stability?

Answer 32

Dihedral (not ailerons)

Question 33

OILS

Answer 33

Osciliatory instability laterally strong

Question 34

Does keel surface being located behind the CoG increase or decrease directional stability?

Answer 34

Increase

Question 35

What does an increase in flap do to V1

Answer 35

Reduces it

Question 36

What happens to LSS with an increase in Altitude?

Answer 36

LSS will decrease

Question 37

Effects on TAS at a constant Mach No

Answer 37

TAS Decreases

Question 38

What happens to LSS when climbing at a constant mach number?

Answer 38

LSS Decreases

Question 39

What happens to MCrit with a decrease in weight?

Answer 39

Decreased weight increases MCrit