Description
Davis Celestial Navigation Card | Boat Supply Store
Navigate the seas with confidence using this essential celestial navigation aid. It consolidates critical guidance for sextant use and corrections, alongside a star finder for 18 key stars and a dedicated data entry form for essential calculations. The scored and separable design allows for immediate reference and a waterproof data reduction card, proving invaluable on offshore voyages. Find this indispensable tool for accurate navigation at Boat Supply Store.
Key Features
- Simplified celestial navigation system for immediate application.
- Comprehensive guidance including sextant use and corrections.
- Integrated star finder identifies 18 crucial celestial bodies.
- Dedicated data entry form for precise sight reduction calculations.
- Step-by-step procedures for sight reduction and plotting.
- Scored and separable design for efficient workflow.
- Compact data reduction card is fully waterproof for marine environments.
- Sextant case compatible for always-ready access.
Specifications
| Product Specifications | |
|---|---|
| celestial navigation aid | Yes |
| sextant use and corrections | Included |
| star finder for stars | 18 |
| data entry form | Included |
| sight reduction procedures | Step-by-step |
| plotting procedures | Step-by-step |
| design | Scored for separation |
| data reduction card | Waterproof |
| size (large portion) | Fits in sextant case |
Who This Is For
Sailors and boaters seeking a simplified yet comprehensive method for celestial navigation, especially those new to the discipline or requiring a rapid reference tool at sea. It is ideal for navigators who need immediate access to critical data and procedures without complex manuals.
How It Compares
| Feature | Davis Celestial Navigation Card | Competitor |
|---|---|---|
| Format | Scored Card | Book, Annual Publication |
| Portability for Quick Reference | High (fits in sextant case) | Low, Medium |
| Waterproof | Yes (data reduction card portion) | No, No |
| Includes Step-by-Step Procedures | Yes | Yes (extensive), No |
| Includes Star Finder | Yes (for 18 stars) | No, No |
Common Concerns Answered
Is this card too basic for experienced celestial navigators?
While designed for simplification and quick reference, experienced navigators can still leverage its immediate access to essential formulas and star data, especially in challenging conditions. Its core function is to provide rapid recall of vital steps.
Are digital tools more convenient than this card?
This card offers unparalleled reliability and immediate accessibility independent of battery life or electronic failures, a critical advantage in remote or emergency situations. The waterproof data reduction card ensures usability even in adverse weather.
What if I don't have much experience with celestial navigation?
The card's step-by-step procedures and simplified format are precisely engineered to guide users with limited prior experience through the sight reduction and plotting process. It acts as a practical, hands-on tutorial.
Frequently Asked Questions
What celestial bodies are covered by the Davis Quick Reference Celestial Navigation Card?
The card includes a star finder for 18 prominent stars, allowing for identification and use in celestial navigation calculations.
How does the Davis Quick Reference Celestial Navigation Card simplify celestial navigation?
It simplifies navigation by providing step-by-step procedures, integrated sight reduction forms, and quick reference data in a readily accessible format, eliminating the need to search through extensive manuals.
Can the Davis Quick Reference Celestial Navigation Card be used with a sextant?
Yes, the card includes specific guidance for sextant use and corrections, making it a direct companion to the instrument.
What is the purpose of the data entry form on the card?
The data entry form is designed for recording sight observations and performing the necessary calculations for sight reduction, streamlining the computational process.
Is the Davis Quick Reference Celestial Navigation Card waterproof?
Yes, the smaller, separable data reduction card portion is fully waterproof, ensuring its functionality in wet marine environments.
