Sentences 1 and 5 are also connected to make the paragraph more coherent:
 
 (1) The Instrument Landing System in the  aircraft UshowsU data that helpsUthe pilot during the approach to the runwayU.  (5) UDuring the approach to the runwayU, deviation pointers in the course indicators Ushow the pilotU in which direction the aircraft must go:
 
      Left or right (for localizer)
 
      Up or down (for glideslope)

 
 In the same way as sentences are connected, a sequence of paragraphs must also be logically and coherently connected. In the example, we can see that there are connecting words from one paragraph to the next:
 
UParagraph 1U (Sentences 1 thru 5): deviation, data, localizer, glideslope
UParagraph 2U (Sentence 6): This UdataU about UdeviationsU from the Ulocalizer and glideslope  pathsU comes from two VHF transceivers, which transmit these...

 
 Paragraph Length
 
 Because different topics require different amounts of detail, paragraphs will need to be different in length. We cannot give a formula for deciding the best length for a paragraph, but it must not be too long if it is to stay simple and readable.
 
 RULE: 6.7 The maximum length of a paragraph is 6 sentences. Do not use one-sentence paragraphs more than once in every 10 paragraphs.
 
 Besides showing the logic of a text, paragraphs can be used to make text more interesting for your reader. Different lengths of paragraphs help you to keep your reader's attention.
 
 Also, different lengths of paragraphs have different uses:
 
      Longer paragraphs let you discuss more complex material, but you must make sure that they are coherent and discuss only one subject.
 
      Shorter paragraphs simplify the material and speed up the rate at which you transfer information. But too many short paragraphs will destroy the logic and the relationship of ideas. You could overwhelm your reader.
 
 Too Much Information
 
 RULE: 6.8 Present new and complex information slowly.
 
 If you try to give new or complex information too quickly, your readers may not be able to absorb it all. Do not "overload" your texts, but present information slowly.