
Compass
Standard 22
Operator Manual
Compass Standard 22
and
Standard 22 Compact
25
4102.DOC010102
Edition: February 2015
Example of heading
calculation
1
2
Compass heading
345
223.7
Latitude
55
55
Speed
16 Kts
16 Kts
Correction value from table
-- 1.7
+ 1.3
True heading
345
-- 1.7
= 343,3
223.7
+ 1.3
= 225
Example of a bearing:
Compass heading
255
Latitude:
55
Speed:
16 Kts
Direction of bearing:
135
Correction value as per table: +0.5
True bearing:
135
+ 0.5
= 135.5
The following statement applies:
The TRUE HEADING is always to the west of the compass
heading.
W
N
E
S
--
--
+
+
true heading
Compass heading