Flight Plan Fuel Consumption Calculator

How to Use This Calculator

To use the flight plan fuel consumption calculator:

1. Enter the total distance of your flight in nautical miles.
2. Select your aircraft type from the dropdown menu.
3. Enter the cruise speed of your aircraft in knots.
4. Specify the fuel burn rate for your aircraft in pounds per hour.
5. Enter the estimated time en route in hours.
6. Click the "Calculate" button to generate your fuel consumption estimate.
7. Review the results and adjust your flight plan as needed.

The calculator will display the total fuel required for your flight, including reserves, and provide a breakdown of the calculation.

Formula Used

The fuel consumption is calculated using the following formula:

Where:

• Fuel Burn Rate is the amount of fuel your aircraft consumes per hour (pounds per hour).
• Time En Route is the estimated flight time (hours).
• Reserves are additional fuel requirements for unexpected delays or emergencies (typically 30 minutes of fuel).

The calculator uses standard aviation practices for reserve fuel calculations.

Worked Example

Let's calculate the fuel required for a flight with the following parameters:

• Distance: 500 nautical miles
• Aircraft: Cessna 172 Skyhawk
• Cruise Speed: 120 knots
• Fuel Burn Rate: 12 pounds per hour
• Time En Route: 4.17 hours (500 nautical miles ÷ 120 knots)

Using the formula:

Therefore, the total fuel required for this flight is 56 pounds.

Interpreting Results

The calculator provides several key results:

• Total Fuel Required: The sum of fuel needed for the flight plus reserves.
• Fuel for Flight: The fuel needed to complete the flight distance.
• Reserve Fuel: Additional fuel for unexpected delays or emergencies.

Always compare the calculated fuel requirements with your aircraft's fuel capacity to ensure you have enough fuel for your flight.