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Flight Computer CRP-1 and CRP-5 For UK EASA PPL and LAPL

How to use the CRP1 or CRP5 Flight Computer in the Navigation and Planning Ground Exams in the UK EASA PPL and LAPL.
4.8 (24 ratings)
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195 students enrolled
Created by Robert McPhee
Last updated 11/2016
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  • 1.5 hours on-demand video
  • 1 Supplemental Resource
  • Full lifetime access
  • Access on mobile and TV
  • Certificate of Completion
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What Will I Learn?
By the end of the course you will be able to perform conversions between many different units such as feet to meters, knots to miles per hour or kilometres per hour, gallons (both imperial and US) to litres and kilograms to pounds.
By the end of the course you will be able to work out a drift corrected heading from required track, true airspeed and wind velocity and work out wind velocity from a known track, heading, ground speed and true airspeed.
By the end of the course you will be able to quickly calculate speed time and distance calculations, more specifically how many minutes it will take to fly a known distance at a given speed.
By the end of the course you will be able to calculate the mass of a given quantity of fuel from its volume and specific gravity.
By the end of the course you will be able to calculate a fuel burn quantity in a given number of minutes having established a burn rate.
View Curriculum
  • Pooleys CRP1 or CRP5 Flight Computer or equivalent

Training for the UK EASA Private Pilot Licence exams on how to use the CRP1 or CRP5 flight computer (sometimes described as the Whizzy Wheel).

The course includes use of the Wind side of the computer, and several function on the calculator side. The calculations taught are:

1. Indicated Airspeed to True Airspeed calculations

2. Speed time distance calculations

3. Fuel specific gravity calculations

4. Fuel burn calculations

The course includes a trench of each type of calculation, showing the recommended method, then worked examples and some multiple choice practice questions.

This course is recommended prior to attending a ground school session for either the Navigation exam or the Flight Performance and Planning exam.

Who is the target audience?
  • Trainee pilots studying for the Navigation or Flight Performance and Planning exams for the UK EASA PPL or UK EASA LAPL.
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Curriculum For This Course
Expand All 20 Lectures Collapse All 20 Lectures 01:19:32
Conversion of Temperature (Calculator Side)
2 Lectures 04:37

Conversion of Temperatures Between Fahrenheit and Celcius
Speed, Distance and Time Problems (Calculator Side)
2 Lectures 11:54
Calculate Time Taken, knowing Speed and Distance

How to use the calculator side of the CRP flight computer to calculate speeds, times and distances.

Speed, Time and Distance
6 questions

Working out Fuel Consumption, Required and Endurance

Using the calculator side solve fuel use problems.

Fuel Consumption Calculations
3 questions
Calculation of True Airspeed (Calculator Side)
3 Lectures 05:58
The difference between the terms IAS, RAS and CAS.
2 pages

Meaning of IAS, CAS and RAS

Understanding the terminology of airspeed.

Indicated Airspeed (IAS), Calibrated Airspeed (CAS) and Rectified Airspeed (RAS)
4 questions

Calculation of True Airspeed from Altitude, temperature and Indicated Airspeed

Calculate true airspeed from indicated airspeed, altitude and temperature.

True Airspeed Calculations
6 questions
The Wind Side of the Computer
5 Lectures 17:25
Setting the Wind Velocity on the Computer

Finding Heading and Ground Speed, Knowing the Track, TAS and Wind Velocity

Practice using the wind side of the flight computer to solve the following questions.

Finding Heading and Ground Speed from Track, TAS and wind velocity.
4 questions

Finding the Wind Velocity from Heading, TAS, Track and Ground Speed

Using the wind side of the flight computer calculate wind velocity from heading, track made good, TAS and ground speed.

Finding wind velocity from heading, track made good, TAS and groundspeed.
2 questions

Finding Headwind and Crosswind Components on a Runway

Finding the Direction of a Crosswind Limit.

Runway crosswind calculations using the wind side of the CRP Flight Computer.

Crosswind Calculations
2 questions
Conversion of Units (Calculator Side)
6 Lectures 25:58
Conversion Between Meters, Yards and Ft

Conversion between Nautical Miles, Statue Miles and Kilometers

Conversion between Knots, MPH and KPH

Conversion Between Imperial Gallons, US Gallons and Litres

Conversion between Kilograms and Pounds

Conversion between Volumes and Weights

using the calculator side of the flight computer convert given volumes to weights and visa versa.

Conversion between volumes and weights.
3 questions
Typical Planning Use
2 Lectures 11:40
Where the Information Comes From

Check of understanding
0 Lectures 00:00

Confirm understanding of the use of the CAS/RAS to TAS conversion feature.

6 questions

Speed, Time and Distance Calculations
4 questions

Fuel Burn Rate
3 questions

Converting Volumes to Weights and Converting Distances
5 questions

Crosswind Calculations
4 questions

Calculating True Heading and Groundspeed
4 questions

Finding Wind Velocity From Track, Groundspeed, TAS and Heading.
2 questions
Final Exam
0 Lectures 00:00

A final check of understanding to ensure you are ready to use the CRP Flight Computer in UK CAA PPL exams.

Final Exam
24 questions
About the Instructor
4.8 Average rating
24 Reviews
195 Students
1 Course
Professional Pilot and PPL Instructor

Robert started flying in 1990 after leaving school, following a 5 year gap while at university and working as an engineer, Robert returned to aviation and was trained by the Royal Air Force. He then went on to operate C130J Hercules transport aircraft in many places in the world. Robert became a civilian flight instructor in 2006 and has taught many students toward the award of their PPL. Robert now mostly flies Boeing 747-400 aircraft but also Piper Warrior PA28s and American Champion Citabria teaching new pilots.

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