Navigation B (instruments)
Electronic navigation instruments: GPS, radar, AIS, echo sounder and radio communication.
Start practising freeExam format
- Questions
- 30 questions
- Time
- 90 minutes
- Pass mark
- 80%
- Type
- Computerized
This exam includes mandatory questions: one wrong answer on any of them fails the exam regardless of the score.
Exam parameters are based on public sources and may change. Always confirm with the Shipping and Ports Authority.
Topics · 4 questions
- Electronic instrumentsFree
Sample questions
1. What does AIS transmit?
- 1. Vessel identity, position, course and speed
- 2. Weather forecasts
- 3. Water depth
- 4. Phone calls
Show answer
Vessel identity, position, course and speedAIS automatically broadcasts the vessel's identity and movement data to nearby ships and shore stations.
2. What does an echo sounder measure?
- 1. Boat speed
- 2. Wave height
- 3. Water depth under the vessel
- 4. Distance to shore
Show answer
Water depth under the vesselIt sends a sound pulse and times the echo from the seabed.
3. On radar, what is CPA?
- 1. Relative speed
- 2. Closest Point of Approach
- 3. True bearing
- 4. Maximum range
Show answer
Closest Point of ApproachCPA is the minimum distance two vessels will reach if they hold course and speed.
Included in
Skipper pass (Mashit 30)
180 days of full access
₪199₪249
Includes
- • Seamanship C
- • Navigation A (coastal)
- • Navigation B (instruments)
- • Engineering
- Every question in the bank
- Smart repetition & mistakes deck
- Unlimited exam simulations
- Readiness meter
All-access
365 days of full access
₪249
Includes
- • Seamanship A
- • Seamanship B
- • Mashit 21 theory
- • Seamanship C
- • Navigation A (coastal)
- • Navigation B (instruments)
- • Engineering
- Every question in the bank
- Smart repetition & mistakes deck
- Unlimited exam simulations
- Readiness meter