The CR Flight Computer Manual and Workbook shows you how to get the most The APR CR-3 is comparable to the Jeppesen CR-5 circular flight computer. The CR Flight Computer Manual and Workbook shows you how to get the most from your Jeppesen CR-3 Flight Computer – The Jeppesen CR Circular Flight. I am writing this e-mail in regards to the “Jeppesen CR-3” instruction booklet as . It’s worth investing in the Jeppesen CR manual/workbook BW2 (about Unless they are going to specify the exact model of flight computer.

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I was using a Jep CR-3 computer which gives slightly different answers than theirs.

It needs to inclulde the work book to, that I picked up, to really make it useful. My objective is to give pilots the tools they need to fly more safely.

Do they understand that in this simple math there is exactly one answer? Wednesday, March 19, Q: Load 13 More Reviews. Thursday, February 14, Q: However, towards the bottom of page 15 it starts to get confusing. M Eddie’s In Box: It is my understanding that the “straight hairline” and “curved line” are two different lines, and that the curved line is not labeled as a “hairline”.

Perfect is the enemy of good. Code is provided free of charge in an effort to provide sourced-information about all facets of aviation.

Jeppesen CR-3 Instruction Booklet – PPRuNe Forums

It will be our loss, but I understand the need to protect creative rights. I then did a spot check on a number of their problems maanual them by trig.


The Pooley’s CRP5 is expensive, mathematically clumsy and generally a couple of generations behind the Jepps in terms of ‘s sliderule technology. This is easy with practice and understanding and takes seconds but seems to confuse people who use the wrong temp and get the wrong answer. An instrument well worth getting to know well, especially for the wind triangle calculations. Lots of really useful methods that will make you love the thing rather than hate it. As a result, Gulfstream is not responsible or liable for your use of any materials or information obtained from this site.

Is the CR-3 made of metal or plastic? The downside of the Jepp Fljght is that because it can do so much more, there is more to learn when you first get one – but it is worth it and some functions are the same on all circular slide rules.

Sometimes thoughts are best unspoken If you are a copyright holder and see your material here, that means I think your work can help to that end.

CR-3 Computer manual instruction

Last edited by paco; 11th May at Damned if I’d want to go back to a slide type – and my slide E6B is a Kane, one of the better ones that used to be on the market no good for jeppewen speed stuff though. It was my understanding that the straight line was referred to as the “hairline” clmputer the curved one was just a “line”.

If I had seen this prior to purchase, I would have gotten the one smaller in size, but, it’s a great unit. Jeppesen CR-3 Instruction Booklet.


Nothing but good to say. Sign up for our newsletter and stay updated on special offers. When I learned to use the CR Wheel, the Avstar was thrown in to the back of the desk draw and never used again. Find More Posts by Tinstaafl.


Know which type is fitted and then only use which ever hairline is appropriate – co,puter the other completely. Having used a number of slide rules, the Jepp CR2 and CR3 are by far the best fastest, most versatile and most capable and also cheap and indestructible.

jeppewen These too have tight definitions, but that seems to be lost on them. Find More Posts by japanam. So here it goes! Customers who bought this also considered: West Virginia Wisconsin Wyoming. We do not have any larger instruction-style flight computers. If my understanding is correct, why is it that in Fig.

Our spread of answers were nearly always a tighter cluster around the correct answer compared to CRPs. Be even better with a good instruction book. The original computer C3r was inquiring about is a 4 inch diameter. Again, if this example is using the more common recovery coefficient of 1.

Do you have a big CR computer for demonstrating in class for students? Whether you’re solving wind triangles, polar grid navigation or pressure pattern flying, CR Computers prove their value and versatility every day.

The ‘Wind Side’ is just plain stupid-easy.