From Part 61 Manual Of Standards (MOS) Vol 3

2.6             Radio navigation aids

2.6.1          Describe how to identify an aid and state the frequency of a nominated NDB or VOR.

2.6.2          Extract NDB and VOR information from ERSA or ERC and state the rated coverage of a VOR up to 10,000 ft.

2.6.3          State the effect (in Australia) of the following errors on the reliability of ADF cockpit indications:

(a)        co-channel interference;

(b)        mountain effect;

(c)        effect of thunderstorms;

(d)        coastal refraction.

2.6.4          Explain why information pertaining to broadcasting stations is included in ERSA.

2.6.5          Recall the ‘aggregate’ error of a VOR and explain what is meant by ‘scalloping’.

2.6.6          Establish a position line given:

(a)        HDG and ADF data; and

(b)        VOR indications.

2.6.7          Describe how to use the VOR to determine TR to or from a station.

2.6.8          Describe how to use an ADF or VOR to home to a station, and recognise instrument indications that signify station passage.

2.6.9          Establish fixes and use these fixes to make off-track corrections using a DME distance and the following:

(a)        HDG and ADF data; or

(b)        VOR indications.