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Whether you're planning a cross-country flight, checking aircraft performance, calculating fuel requirements, or simply brushing up on your aviation knowledge, these calculators are designed to provide quick and convenientanswers to some of the most common questions pilots face.

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From wind correction angles and density altitude to fuel planning, climb performance and descent calculations, each tool has been created with the recreational and training pilot in mind. They are intended to help you better understand the factors that influence flight planning and aircraft performance, while providing a practical reference before, during and after your flying.

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New calculators are added regularly, so be sure to check back as the collection continues to grow.

Select a calculator below to get started

CALCULATORS

WIND CORRECTION CALCULATOR
Crosswinds don't just affect take-offs and landings — they can also push you off track in flight. This calculator helps you work out the heading adjustment needed to compensate for the wind, as well as the resulting groundspeed for your planned route.

CROSSWIND CALCULATOR
A wind straight down the runway is one thing, but most days involve at least some crosswind component. This calculator helps you quickly work out the headwind, tailwind and crosswind elements for your chosen runway, helping you make informed decisions before departure or arrival.

DENSITY ALTITUDE CALCULATOR
On a warm day, your aircraft can perform as though it's operating from a much higher airfield than it actually is. This calculator estimates density altitude using airfield elevation, temperature and pressure, helping you understand the potential effects on take-off distance, climb performance and aircraft handling.

FUEL ENDURANCE CALCULATOR
Knowing how much fuel you have is only half the story — knowing how long it will last is what really matters. This calculator helps estimate your available endurance based on fuel on board, fuel consumption and reserve requirements, helping you plan flights with confidence and sensible safety margins.

WEIGHT AND BALANCE CALCULATOR
A few extra bags, a passenger, or full fuel tanks can make a surprising difference to an aircraft's handling and performance. This calculator helps you assess weight, balance and centre of gravity position, ensuring your aircraft remains within its approved operating limits before take-off.

TOP OF DECENT CALCULATOR
A well-planned descent leads to a more stable and comfortable arrival. This calculator helps determine when to begin your descent based on your current altitude, target altitude, groundspeed and descent rate, allowing you to arrive at the right height at the right place.

GLIDE RANGE CALCULATOR
Understanding how far your aircraft can glide is an important part of flight planning and emergency preparedness. This calculator estimates your maximum glide distance based on altitude and glide ratio, helping you visualise your available options should the engine become unavailable.

TAKEOFF AND LANDING CALCULATOR
Aircraft performance doesn't stop at the figures printed in the handbook. Weight, temperature, wind, runway conditions and elevation can all have a significant impact on the distance required for take-off and landing. This calculator helps you apply those factors and assess the runway margin available before committing to a flight.

TIME, SPEED AND DISTANCE CALCULATOR
Time, speed and distance form the foundation of navigation planning. This calculator allows you to calculate any one of the three values when the other two are known, helping with flight planning, PLOG preparation and en-route decision making.

CLIMB RATE AND GRADIENT CALCULATOR
Climb performance is a key consideration when operating from short strips, high ground or obstacle-rich environments. This calculator helps estimate climb gradient, height gained and obstacle clearance based on aircraft climb performance and groundspeed.

QNH, QFE AND PRESSURE CALCULATOR
QNH, QFE and pressure altitude all describe the same atmosphere in different ways. This calculator helps you understand the relationship between them, convert between pressure settings and see how they affect what your altimeter indicates both on the ground and in flight..

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Yatesbury Field
Nr Cherhill
Wiltshire
SN11 8HS

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Administration Address

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Fyfield
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Wiltshire
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