Compass Care and Maintenance (FINALS)

Question 1

If made of wood, the binnacle should be

Answer 1

varnished and not painted

Question 2

The brass parts are to be

Answer 2

polished regularly

Question 3

All adjustment to be carried out by an

Answer 3

authorised compass adjuster

Question 4

manual steering should be tested at least _ when the automatic pilot is in use

Answer 4

once a watch

Question 5

gyro and magnetic compass errors should be checked

Answer 5

once a watch

Question 6

mounted on the bridge, such as in the engine control room and emergency steering position

Answer 6

repeaters

Question 7

The purpose of cross-checking compass readings with other navigational aids

Answer 7

• To identify any discrepancies or errors- To rely on more reliable information- To ensure accurate readings

Question 8

It is used to check the compass error

Answer 8

• Celestial Azimuth- Observing visual range- Bearings of known objects

Question 9

Should be done in the event of compass failure or errors

Answer 9

• Notify relevant personnel- Verify compass error- Follow emergency procedures

Question 10

Seek expert assistance in case of compass failure or errors

Answer 10

• To minimize risks and costs associated with malfunctions or inaccuracies

Question 11

The purpose of having a backup compass

Answer 11

• To provide an alternative means of obtaining directional information- In emergency situations or when compass failures occur

Question 12

The advantage of installing an electronic compass in the ship is that,

Answer 12

it is unaffected by ships movements

Question 13

Integration of magnetic and gyro-compasses with other navigational systems

Answer 13

• To ensure accurate integration with navigational systems.

Question 14

Proper maintenance and periodic inspections of compass equipment important

Answer 14

• To ensure accuracy and reliability- To ensure safety- To extend the lifespan and performance of the equipment

Question 15

Reasons why regular inspections are important for gyrocompass equipment

Answer 15

• To identify potential issues before they escalate- To maintain the accuracy and reliability of the gyrocompass system- To detect and address signs of wear and tear

Question 16

Safety training and familiarity important for personnel operating gyrocompass systems is important to

Answer 16

respond effectively to gyrocompass failure or errors

Question 17

Essential for navigators to understand compass errors and corrections

Answer 17

• To maintain course accuracy and avoid navigational errors.

Question 18

Continuous training for navigators regarding magnetic and gyro-compasses

Answer 18

• Emergency procedures and backup systems.

Question 19

Redundancy in compass systems important for ships

Answer 19

• To ensure proper back-up in case of gyrocompass failure

Question 20

The ship’s magnetic compass should be adjusted following certain circumstances

Answer 20

• when major structural repairs have been carried out- when electrical equipment is installed in the vicinity of the compass- when it appears unreliable

Question 21

To ensure accurate readings in gyrocompass systems

Answer 21

• Regularly check the electrical connections- Perform regular testing and performance checks- Calibrate and align the gyrocompass system

Question 22

Should be considered regarding the environmental conditions for gyrocompass systems

Answer 22

• Temperature, humidity, and vibration- Excessive heat, moisture, and strong magnetic fields- Suitable location on the ship

Question 23

Important for personnel responsible for operating and maintaining gyrocompass systems

Answer 23

• Proper training- Necessary competence- Familiarity with manufacturer’s documentation

Question 24

Lubrication important for gyrocompass equipment to

Answer 24

reduce friction and prevent excessive wear

Question 25

Purpose of cleaning gyrocompass equipment-

Answer 25

To remove dust, dirt, and other contaminants

Question 26

The first step in obtaining true heading information by applying gyro error corrections?

Answer 26

Identify the gyro error type

Question 27

A method of maintenance which involves adjusting the gyrocompass to match the true north and compensating for any errors.-

Answer 27

Cleaning and Lubrication

Question 28

The gyrocompass-

Answer 28

It seeks the true meridian.- It can be used near the Earth’s magnetic poles.- If an error exists, it is the same on all headings.- its accuracy varies at all latitudes.