fits year: 1977.

( Brand: Aero Products Research ), ( Manufacturer Part Number: NPR-13 ), ( Color: Clear ), ( Country/region Of Manufacture: United States ), ( Type: Flight Line Plotter Ruler )
The Aero Research NPR-13 1977 Apr Nav-Chart Plotter Ruler is a vintage navigational tool that is both functional and aesthetically pleasing. This product is a must-have for aviation enthusiasts, collectors, and anyone with an interest in aviation history.
The NPR-13 is a nav-chart plotter ruler, which means it is designed to help pilots plot their course and navigate on nautical charts. The ruler is made of high-quality aluminum, which makes it durable and lightweight, making it easy to carry around. It features a clear, easy-to-read scale with markings for both nautical miles and statute miles, as well as for degrees of latitude and longitude.
One of the standout features of the NPR-13 is its unique design. The ruler has a curved shape, which allows it to fit snugly around the edge of a nautical chart, making it easy to use while keeping the chart flat and secure. The ruler also has a built-in protractor, which can be used to measure angles and bearings.
The Aero Research NPR-13 1977 Apr Nav-Chart Plotter Ruler is a piece of aviation history. It was first released in 1977 and was a popular tool among pilots for many years. The product features the classic Aero Research logo and the month of April 1977 printed on the ruler, making it a collector's item.
In conclusion, the Aero Research NPR-13 1977 Apr Nav-Chart Plotter Ruler is a high-quality, functional, and collectible navigational tool. Its unique design, durability, and historical significance make it a great addition to any aviation collection. Whether you are a pilot, collector, or just an aviation enthusiast, this product is sure to impress.
Pros of buying Aero Research NPR-13 1977 Apr Nav-Chart Plotter Ruler:1. Vintage appeal: The Aero Research NPR-13 is a vintage navigational tool that may appeal to collectors or those who value classic design.
2. Durability: The plastic and metal construction of the NPR-13 is likely to be durable, making it a long-lasting investment.
3. Versatility: The plotter ruler can be used with both paper charts and electronic charts, making it a versatile navigational aid.
4. Affordable: Compared to modern plotters, the Aero Research NPR-13 is relatively affordable, making it a cost-effective option for those on a budget.
Cons of buying Aero Research NPR-13 1977 Apr Nav-Chart Plotter Ruler:1. Limited functionality: The NPR-13 is a basic plotter and does not have the advanced features of modern plotters, such as electronic navigation systems or GPS.
2. Difficult to use: The NPR-13 may be more difficult to use than modern plotters, especially for those who are not familiar with the manual methods of navigation.
3. Limited compatibility: The NPR-13 may not be compatible with all types of charts, limiting its usefulness for certain navigational purposes.
4. Limited accuracy: The manual methods used by the NPR-13 may not be as accurate as modern electronic navigation systems.
Conclusion:The Aero Research NPR-13 1977 Apr Nav-Chart Plotter Ruler is a good option for collectors, vintage enthusiasts, or those who are willing to learn the manual methods of navigation. However, it may not be the best choice for those who require more advanced functionality or greater accuracy in their navigational tools. If you are looking for a modern plotter with advanced features and greater accuracy, you may want to consider other options on the market.
Recommendation:If you are looking for a vintage navigational tool with classic design and durable construction, the Aero Research NPR-13 1977 Apr Nav-Chart Plotter Ruler may be a good fit for you. However, if you require more advanced functionality or greater accuracy in your navigational tools, you may want to consider investing in a modern plotter with electronic navigation systems and GPS capabilities.
1977 AERO PRODUCTS RESEARCH APR NAV-CHART MO-13 PLOTTER.