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10 Cards in this Set
- Front
- Back
Magnetic deviation |
Magnetic error introduced by local sources |
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Magnetic variation
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The angle between magnetic north and true north
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Magnetic error introduced by local sources
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Magnetic deviation |
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Magnetic error introduced by the distance between magnetic north and true north |
Magnetic variation
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When turning to any Northerly heading, the compass...
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Lags |
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When turning to any Southerly heading, the compass...
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Leads |
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A turn to any Northerly heading should be stopped... |
30 degrees before compass indicates |
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A turn to any Southerly heading should be stopped... |
30 degrees after compass indicates |
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Turning mnemonic |
UNOS
Undershoot North Overshoot South |
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Accelerating mnemonic
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ANDS
When traveling East or West... Accelerating makes the compass turn North Decelerating makes the compass turn South |