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• Brand: Jeppesen Sanderson
• Model: CR-3
• Type: Circular Flight Computer / Navigation Slide Rule
• Condition: Used (Very Good)
• Country/Region of Manufacture: United States
• Material: Plastic / Faux-leather vinyl caseUp for sale is a classic Jeppesen Model CR-3 Circular Flight Computer, an essential tool for pilots, aviation students, and military navigation collectors. This high-utility "whiz wheel" remains a highly sought-after device for dead reckoning calculations without needing electronic devices.
This model features dual-sided functionality:
• Calculation Side: Solves True Airspeed (TAS), Density Altitude, True Altitude, time/speed/distance, and fuel burn conversions.
• Wind Side Grid: Solves wind triangle problems, true heading adjustments, tailwind/headwind variables, and crosswind tracking.
Condition Details:
• The flight computer is in excellent working condition, rotates smoothly, and all printed text/scales are clear and easy to read.
• Includes the original dark brown protective leatherette case, which has kept the computer well-preserved over the years. (Please review photos carefully to confirm exact physical condition before purchasing
