Aeronautical Charts, AIP and NOTAM Interpretation
Core concepts
Candidates must read enroute charts, terminal area charts, instrument approach charts, and aerodrome charts. Key symbols: navigation aids (VOR, DME, NDB, ILS), airways, minimum enroute altitudes (MEA), minimum obstacle clearance altitudes (MOCA), and restricted airspace. The AIP contains permanent information (aerodrome data, routes, procedures); NOTAMs contain temporary changes (closed runways, unserviceable navaids, airspace restrictions).
Traps
Common traps: confusing MEA with MOCA; misreading chart scales; ignoring the effective dates of NOTAMs; and assuming a NOTAM supersedes the AIP when the AIP has been amended. Also watch for the difference between 'AIP SUP' (supplement) and 'AIP AMDT' (amendment), and the fact that NOTAMs are issued in a standard format with a validity period.
Worked example / rule of thumb
Rule: always check the chart date and the NOTAM validity. Example: an approach chart dated 2024-01 shows a minimum descent altitude (MDA) of 500 ft; a NOTAM issued 2024-03 raises it to 600 ft due to a crane. The current minimum is 600 ft. If the NOTAM expires before the flight, revert to 500 ft.