This map shows locations of airports and aerodromes as of 1967,and also time zone boundaries. Airports and aerodromes are denoted as being an international airport, a Department of National Defence aerodrome or other airport / aerodrome and as having precision approach capability, non precision approach capability or no approach instrumentation. The length of each airport or aerodrome's runway is also indicated. An additional smaller map at a scale of 1:35 000 000 shows the locations of water aerodromes and heliports for all of Canada.