S.T.D (Speed Time Distance) Slide Rule — NATO Pattern | 4Boats
655.37
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Regular price£21.00
/
Tax included.
S.T.D (Speed-Time-Distance) slide rule in NATO Pattern for quick manual navigation calculations.
- Calculates the third variable given the other two: speed, time or distance
- Metric scales first (km), with imperial equivalents (mi) where relevant
- High-impact plastic outer sleeve for durability
- Compact, easy-to-use slider for rapid field calculations
- Standard size also available
- Suitable for navigators, sailors and training purposes
- No batteries or electronics required
Simple to carry and use aboard small craft or in classroom settings.
For the products under £150 the shipping is £6.99.
Free delivery for the most items over £150.
