Home Back

1 in 60 Rule Calculator Aviation

1 in 60 Rule Formula:

\[ \text{Angle} = \frac{\text{Distance}}{60} \]

nm
nm

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the 1 in 60 Rule?

The 1 in 60 rule is a navigational rule of thumb used in aviation. It states that for every 1 degree of angular deviation from course, you will be approximately 1 nautical mile off track after traveling 60 nautical miles.

2. How Does the Calculator Work?

The calculator uses the 1 in 60 rule formula:

\[ \text{Angle} = \frac{\text{Distance Off Track}}{\text{Distance Flown}} \times 60 \]

Where:

Explanation: This rule provides a quick mental calculation for pilots to determine the necessary course correction to return to their intended track.

3. Importance in Aviation

Details: The 1 in 60 rule is essential for dead reckoning navigation, VFR flight planning, and quick course corrections without sophisticated navigation equipment. It helps pilots maintain accurate track and make timely adjustments.

4. Using the Calculator

Tips: Enter the distance you are off track in nautical miles and the distance you have flown along your current track. Both values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: How accurate is the 1 in 60 rule?
A: The rule is approximate but highly practical. For small angles (less than 10 degrees), it's accurate enough for most aviation purposes. The error increases with larger angles.

Q2: Can this rule be used for wind correction?
A: Yes, the 1 in 60 rule is commonly used to calculate wind correction angles and track corrections due to crosswinds.

Q3: What are the limitations of this rule?
A: The rule becomes less accurate for large angles (over 20 degrees) and over very long distances. It assumes a spherical earth and constant conditions.

Q4: Is this rule only used in aviation?
A: While primarily used in aviation, the principle can be applied to any navigation scenario including marine navigation and land navigation.

Q5: How do pilots use this in real-time navigation?
A: Pilots mentally calculate corrections during flight by estimating distances and applying the rule to maintain or regain their intended track.

1 in 60 Rule Calculator Aviation© - All Rights Reserved 2025