Collection: National Geospatial-Intelligence Agency

Explore our collection of top-tier navigational publications from the National Geospatial-Intelligence Agency. Discover essential tools like Sailing Directions, Pilot Atlas, and Sight Reduction Tables for precise air and marine navigation. Stay on course with time-tested resources such as the American Practical Navigator - Bowditch Volume and International Code of Signals. Whether you're sailing the Caribbean Sea or charting the North Pacific Ocean, our collection has everything you need for safe and accurate voyages. Get your hands on the latest editions and charts to ensure a smooth journey ahead. Trust in the expertise of the NGA and elevate your navigational skills today.

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NIMA/NGA Sight Reduction Tables NIMA/NGA Sight Reduction Tables Clear all
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Sight Reduction Tables for Air Navigation - Pub. 249 (HO-249) Vol. 1 – EPOCH 2025
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$24.95
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$29.95
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Sight Reduction Tables for Marine Navigation - Pub. 229 (HO-229) Vol. 2 Latitudes 15-30
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From $14.95
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Sight Reduction Tables for Air Navigation - Pub. 249 (HO-249) Vol. 1 – EPOCH 2020
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$19.95
List price
$29.95
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Sight Reduction Tables for Air Navigation - Pub. 249 (HO-249) Vol. 2 Latitudes 0-40
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From $15.95
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Sight Reduction Tables for Marine Navigation - Pub. 229 (HO-229) Vol. 3 Latitudes 30-45
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From $14.95
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Sight Reduction Tables for Air Navigation - Pub. 249 (HO-249) Vol. 3 Latitudes 39-89
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From $15.95
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Sight Reduction Tables for Marine Navigation - Pub. 229 (HO-229) Vol. 4 Latitudes 45-60
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From $14.95
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Sight Reduction Tables for Marine Navigation - Pub. 229 (HO-229) Vol. 1 Latitudes 0-15
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From $14.95
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Sight Reduction Tables for Marine Navigation - Pub. 229 (HO-229) Vol. 6 Latitudes 75-90
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From $14.95
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Sight Reduction Tables for Marine Navigation - Pub. 229 (HO-229) Vol. 5 Latitudes 60-75
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From $14.95
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Sight Reduction Template HO-229
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$6.95
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$8.95
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Sight Reduction Template HO-249
Sale price
$6.95
List price
$8.95