Armindale WAC for CPL Nav exercises. 
Armindale WAC
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Below is the current errata list for this textbook. These errata will be corrected in the next edition.
The required aeronautical knowledge for the CASA NAVIGATION EXAM is largely unchanged. However there have been some changes affecting the document references where the information can be found. The links below will assist in finding the new references that affect the CPL NAVIGATION study guide. 
NAVIGATION_references.docx
13.01.2021
Page 68: AIP ENR 1.1 para 4.1.2 now reads AIP ENR 1.1 para 4.2
Page 175 AIP ENR 1.1 para 4.2.5.1 now reads AIP ENR 1.1 para 4.2.4
Page 176 AIP ENR 1.1 para 4.1.5.1 b now reads AIP ENR 1.1 para 4.2.4.1 b
Page 176 AIP ENR 1.1 para 4.1.12 now reads AIP ENR 1.1 para 2.1.2
12.01.2021
Progress Test 5
Answer to Question No 3 [c] AIP ENR 1.1 para 4.1.5.1 now reads AIP ENR 1.1 para 4.2.4
06.07.2020
Page 28 Finding Safe Endurance.
"Now let's rework the exercise above and include a requirement for a 15% variable reserve" now reads 10%
28.05.2020
Page 106 Answer 2 now reads "CA is 2 in 60 which is 2°"
