Review 1

Question 1

Two adjacent WAC charts can never be joined exactly north / south because

Answer 1

the charts have different standard parallels

Question 2

If B is due east of A in the southern hemisphere a flight which followed the rhumb line track from A to B would …..

Answer 2

diverge to the left of the straight line drawn on a WAC

Question 3

2 adjacent WAC charts can always be joined exactly east / west because …..

Answer 3

they are projections from the same cone

Question 4

An aircraft which tracks along the 030 omni radial from a station follows a …..

Answer 4

great circle path

Question 5

Direction on a WAC chart shold be measured by reference to the mid meridian because …..

Answer 5

the chart is a conical projection

Question 6

Two towns are on the same meridian. One is on 23⁰S latitude while the other is on 25⁰S. The distance between the 2 towns is …..

Answer 6

120nm

Question 7

An aircraft is cruising at FL150 at a TAS of 165kts. If the OAT is -20⁰C what speed would be indicated on the face of the ASI

Answer 7

133kts IAS

Question 8

An aircraft is cruising at an IAS of 150kts at FL140. If the temperature at the cruise level is +7⁰C, and a 25kt headwind exists, how long will it tak to cover the next 245nm?

Answer 8

87 minutes

Question 9

An aircraft has 59nm to cover in the next 23 minutes in a 20kt headwind. What CAS would be required at FL150 if the OAT is -5⁰C?

Answer 9

136kts IAS

Question 10

An ERC chart has a smaller scale than a WAC chart

T/F

Answer 10

True

Question 11

WAC charts may be joined exactly ….. to …..

Answer 11

east to west

Question 12

An aircraft is cruising at FL150 OAT -15⁰C. It must cover the next 80nm in 30 minutes. If there is a 15kt headwind the CAS required would be …..

Answer 12

140kts IAS

Question 13

One nautical mile is equal to ….. ….. of latitude

Answer 13

one minute of latitude

Question 14

The airspeed indicator obtains its reading by …..

Answer 14

measuring total pressure and subtracting the static pressure to display the dynamic pressure on the face of the ASI

Question 15

What charts use a mercator projection?

Answer 15

VTC’s

Question 16

If an aircraft is flying at 5000ft in a tail wind the TAS would be ….. than the IAS and ….. than the GS

Answer 16

Tas would be greater than the IAS and less than the GS

Question 17

FF = 20 gallons

A to B = 300nm

Fuel flow = 11gph

The ground speed for this flight must be not less than

150

160

165

140

Answer 17

165kts TAS

Question 18

The distance for the flight is 260nm

TAS is 140kts. Flight fuel = 124litres @ 55lph

The greatest headwind component that could be tollerated is:

5

15

24

30

Answer 18

24kts

Question 19

On a lambert chart great circles appear as …..

Answer 19

straight lines

Question 20

A rhumb line cuts every meridian at the ….. …..

Answer 20

same angle