7/11/2024
Page 123 Question No 7. Some older books may indicate the contingency fuel to be 15% of the trip fuel. The terminology has changed. Variable reserve is now refered to has contingency fuel and the quantity of contingency fuel is now 10% not 15%. That makes the answer b (741nm.) That correction has already been made in recent editions.
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
25.09.2023
Page 30 Answers to Exercise N 8a
The table contains incorrect answers for the required fuel column both gals and litres
This the updated table.
26.10.2022
Topic 3 TIME. Page 35 to Page 45.
Beginning of daylight (BOD) is now called first light.
End of daylight (EOD) is now called last light. Change to terminology only - no change to working.
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°"
