Navigational Aids: CompassesLaajuus (1.25 cr)
Code: SF22M103
Credits
1.25 cr
Objective
The student is provided with
•	an ability to determine and allow for errors in magnetic and gyro-compasses.
•	knowledge of the principles of magnetic and gyro-compasses.
•	theoretical knowledge and whether theory has been realised with reference to gyro-compasses on vessels as well as the faults and limitations of gyro-compasses.
•	an understanding of systems (master/slave) under the control of the master gyro and knowledge of the operation and care of the main types of gyro-compasses.
Content
•	The magnetic compass 
•	Terrestrial and vessel magnetism
•	Deviation and deviation coefficients
•	The magnetic compass compensation
•	Drawing up a deviation curve
•	The construction of a magnetic compass
•	The gyro-compass
•	The free gyro and gyro laws, precession, the north-seeking gyro
•	The gyro-compass errors: the latitude error, the speed error, the influence of the course and changes in speed and the ballistic error
•	Going through the typical gyro-compasses onboard
•	Knowledge of the magnetic and gyro-compass maintenance
Qualifications
Navigational Aids: GNSS, compasses and steering
Enrollment
15.06.2025 - 09.11.2025
Timing
10.11.2025 - 18.12.2025
Number of ECTS credits allocated
1 cr
Mode of delivery
Contact teaching
Unit
Faculty of Technology and Seafaring
Teaching languages
- Svenska
 
Degree programmes
- Degree Programme in Maritime Studies
 
Teachers
- Ahti Hyppönen
 
Groups
- 
                        SFK23D-ÅSjökapten (YH), h23, dagstudier
 
Objective
The student is provided with
•	an ability to determine and allow for errors in magnetic and gyro-compasses.
•	knowledge of the principles of magnetic and gyro-compasses.
•	theoretical knowledge and whether theory has been realised with reference to gyro-compasses on vessels as well as the faults and limitations of gyro-compasses.
•	an understanding of systems (master/slave) under the control of the master gyro and knowledge of the operation and care of the main types of gyro-compasses.
Content
•	The magnetic compass 
•	Terrestrial and vessel magnetism
•	Deviation and deviation coefficients
•	The magnetic compass compensation
•	Drawing up a deviation curve
•	The construction of a magnetic compass
•	The gyro-compass
•	The free gyro and gyro laws, precession, the north-seeking gyro
•	The gyro-compass errors: the latitude error, the speed error, the influence of the course and changes in speed and the ballistic error
•	Going through the typical gyro-compasses onboard
•	Knowledge of the magnetic and gyro-compass maintenance
Location and time
According to realization timetable
Materials
SOLAS, Dokmar: Ship Navigation,
Teaching methods
Lectures in the classroom and possibly  online studies.
Homework and E-Learning may excist.
Exam schedules
According to realization schedule
Completion alternatives
-
Student workload
33h
Evaluation scale
H-5
Assessment methods and criteria
Test, assignment
Assessment criteria, fail (0)
Do not meet the criteria of evaluation
Assessment criteria, satisfactory (1-2)
•	Demonstrates familiarity with core material and concepts
•	Correctly use single industry concepts
•	Find information for a single situation
•	Distinguishes everyday information from the data studied
•	Acting in professional situations demonstrates familiarity with their professional field
•	Shows that you have achieved your core competence goals
•	Work safely
•	Act in accordance with the ecological principles of the profession
•	Organize your own and group activities
Assessment criteria, good (3-4)
•	Demonstrates consistent concepts and knowledge base in the field of familiarity
•	Evaluate and limit the need for information
•	Work well in professional tasks and situations
•	Work in multicultural environments
•	Work safely
•	Work consistently with the ecological principles of the profession
•	Organize your own and group activities consistently
Assessment criteria, excellent (5)
•	Expertly use industry concepts and information
•	Evaluate and use different sources of information
•	Apply the knowledge base in professional varied / challenging tasks with expertise
•	To act in different positions, in different operating environments.
•	To act independently and responsibly in a professional situation
•	Act with safety in mind
•	To justify the activity in accordance with the ecological principles of the profession
•	To organize your own and the group's activities in a professional manner
Qualifications
Navigational Aids: GNSS, compasses and steering
Enrollment
02.07.2024 - 20.10.2024
Timing
21.10.2024 - 29.11.2024
Number of ECTS credits allocated
1 cr
Mode of delivery
Contact teaching
Unit
Faculty of Technology and Seafaring
Teaching languages
- Svenska
 
Degree programmes
- Degree Programme in Maritime Studies
 
Teachers
- Ahti Hyppönen
 
Groups
- 
                        SFK22D-ÅSjökapten (YH), h22, dagstudier
 
Objective
The student is provided with
•	an ability to determine and allow for errors in magnetic and gyro-compasses.
•	knowledge of the principles of magnetic and gyro-compasses.
•	theoretical knowledge and whether theory has been realised with reference to gyro-compasses on vessels as well as the faults and limitations of gyro-compasses.
•	an understanding of systems (master/slave) under the control of the master gyro and knowledge of the operation and care of the main types of gyro-compasses.
Content
•	The magnetic compass 
•	Terrestrial and vessel magnetism
•	Deviation and deviation coefficients
•	The magnetic compass compensation
•	Drawing up a deviation curve
•	The construction of a magnetic compass
•	The gyro-compass
•	The free gyro and gyro laws, precession, the north-seeking gyro
•	The gyro-compass errors: the latitude error, the speed error, the influence of the course and changes in speed and the ballistic error
•	Going through the typical gyro-compasses onboard
•	Knowledge of the magnetic and gyro-compass maintenance
Evaluation scale
H-5
Qualifications
Navigational Aids: GNSS, compasses and steering